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Audit Complete

Results for https://mdanderson.org

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Healthcare · estimated Tracking: appointment bookings
Spain Spain · Madrid Completed: Apr 22, 2026 22:57 UTC
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Mobile 375 × 812

Screenshot of the audited page (Mobile 375×812)

Desktop 1440 × 900

Screenshot of the audited page (Desktop 1440×900)
C70

Site Health

Score: 70 / 100

Based on 8 categories, 0 sections

Room to improve — your 29.8s load time is above Google's 2.5s 'Good' threshold.

Several missing protections leave your users and data exposed.

Several issues make your site difficult for assistive technology users.

Well-optimized for search — your content is discoverable.

Good server performance with room for optimization.

Mostly compliant — a few items need attention.

Rich content metadata — your pages look great everywhere.

Heavier than average — reducing page weight saves energy and bandwidth.

How is this calculated?

The overall score is a weighted average of individual category scores. Categories with more impact on user experience and security carry more weight.

Performance 25%Security 25%Accessibility 15%SEO 10%Infrastructure 10%Compliance 8%Content 5%Sustainability 2%

Weights reflect general web best practices. Individual needs may differ.

How the composite score is calculated

How you compare

Adobe Experience Manager · 154 peers
You 70
·
Avg 72
At average
0 50 100
Better than 16% of Adobe Experience Manager sites See full Adobe Experience Manager benchmark →
Apple · 1227 peers
You 70
·
Avg 72
At average
0 50 100
Better than 13% of Apple sites See full Apple benchmark →

Top Priorities (5)

1

Content-Security-Policy header is missing

Security gaps expose your site and users to attacks, eroding trust.

Security › Security Headers
2

No Content-Security-Policy header found

Security gaps expose your site and users to attacks, eroding trust.

Security › Content Security Policy
3

Page weighs 10.6 MB (4.4 MB transferred)

Performance issues directly impact user engagement and conversion rates.

Performance › Page Weight Budget
4

1 link(s) with no accessible text

Accessibility issues exclude users with disabilities — up to 15% of your potential audience.

Accessibility › Link & Button Quality
5

11 image(s) missing alt attribute

Accessibility issues exclude users with disabilities — up to 15% of your potential audience.

Accessibility › Alt Text Quality
View fix priority matrix

Fix Priority Matrix

5 findings

Quick Wins

2

High impact, low effort — start here.

Strategic

3

High impact, requires investment.

Easy Improvements

0

Small gains, minimal effort.

Nothing in this quadrant — good news.

Deprioritize

0

Low impact, high effort — do last.

Nothing in this quadrant — good news.

← Low effort High effort →
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What fixing these means

Your site performs reasonably well, but a few targeted fixes could meaningfully improve results. Your LCP of 29.8s exceeds Google's 2.5s 'Good' threshold and the 1 performance issue below directly contributes to it. Accessibility issues exclude users who rely on assistive technology — an estimated 15% of your potential audience. Addressing the critical issues below would have the most immediate impact on your user trust.

2 security gaps detected — browsers may warn visitors about your site.
Your LCP is 29.8s — fixing the 1 performance critical could bring it under Google's 2.5s 'Good' threshold.
2 accessibility issues exclude users who rely on assistive technology.

Conversion Barriers

3 critical 3 warning

6 barrier(s) likely increasing bounce by ~30%.

Speed (2)

Page takes 29.8s to load

+12% bounce

Users abandon at ~3s — you're 27.3s over the 2.5s threshold

Fix: Optimize render-blocking resources, preload the hero image, and compress images

Page feels frozen for 1.8s

+5% bounce

Clicks on the primary CTA are ignored while JavaScript runs

Fix: Break up long tasks; defer non-critical JavaScript to post-hydration

Trust (2)

No HSTS header

+1% bounce

Returning visitors are briefly exposed to downgrade attacks on first request

Fix: Set Strict-Transport-Security: max-age=31536000; includeSubDomains

No Content-Security-Policy header

+1% bounce

Higher XSS blast radius — one compromised script can exfiltrate the checkout form

Fix: Ship a reporting-only CSP first, then enforce once violations are clean

Usability (1)

4 form field(s) without a label

+6% bounce

Screen readers skip unlabeled fields; autofill can't identify them; checkout abandonment spikes

Fix: Associate every input with a visible <label for="…">; add autocomplete attributes

Content (1)

Content is hard to read

+2% bounce

Graduate-level reading difficulty — limits the addressable audience for product or blog pages

Fix: Shorten sentences; replace jargon with plain language; target Flesch ease ≥60

Preliminary CRO audit — each barrier links to the tab with detailed analysis.

Return on Investment

$600 investment → $1.11/month returns + USD 157,500 risk avoided

Payback period: > 2 years First-year ROI: -98%

Investment

$600

6h · 5 findings

Monthly returns

$1.11 /mo

~$13 / year

  • Bandwidth savings $1.11

Regulatory risk avoided

USD 157,500

if kept compliant

  • ADA Title III USD 150,000
  • CCPA/CPRA USD 7,500

$100 — in quick wins — start here for the fastest payback

Figures combine localized regulatory fine ceilings, search/conversion value priced against local CPC, and bandwidth waste estimates. Results depend on implementation quality and audience composition. Not legal or financial advice.

Full methodology & sources

Estimated Remediation Cost

$600

6.0 developer hours at $100/hr

Based on United States rates ($100/hr)

Quick wins
$100 2 fixes in ~60 minutes

Start here for the best return on investment

Cost by category

Cost by effort level

Adjust assumptions
$ /hr

Rates reflect fully-loaded developer cost including overhead

How developer rates are sourced

What Inaction Is Costing You

$13,126 / month at risk

~$157,513 / year if left unfixed

Compliance Risk

$157,500

ADA Title IIICCPA/CPRA
  • No privacy policy link detected
    CCPA/CPRA: USD 2,500 – USD 7,500
  • 2 advertising/retargeting trackers detected
    CCPA/CPRA: USD 2,500 – USD 7,500
  • Trackers detected but no cookie policy found
    CCPA/CPRA: USD 2,500 – USD 7,500

+8 more

Bandwidth Waste

$1.11 /mo

13843.4 MB/mo × 0.080 USD/GB

  • Optimize transfer: save ~1.4 MB per page load
    Saves $1.11/mo

Compliance figures represent the statutory maximum fine for the most severe triggered category, capped per regulation — not the sum of per-finding penalties. Based on published regulatory fine ranges. This is not legal advice.

Compliance methodology · SEO assumptions · Bandwidth model

Your performance is already good — improvements may show diminishing returns

Unique monthly visitors from your analytics

Purchases, signups, or key actions

Optional — for revenue estimation

additional conversions/month

more engaged visitors from reduced bounce

potential monthly revenue
Current bounce (est.)
After fixes (est.)
Estimated bounce reduction

Fix 5 critical issues to capture this value

How this is calculated

Based on Google/Deloitte research ("Milliseconds Make Millions") showing a ~7% bounce rate increase per additional second of LCP above the 2.5s "Good" threshold.

Your site's LCP: → estimated after fixes.

These are estimates based on industry research — actual results vary

Bounce-rate model & assumptions

Your data stays in your browser — nothing is sent to our servers

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Lighthouse Scores

Industry-standard audits powered by Google Lighthouse.

29
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
85
Accessibility Measures how accessible the page is for users with disabilities. Checks color contrast, ARIA labels, and semantic HTML.
77
Best Practices Checks for modern web development best practices including HTTPS, no console errors, and secure JavaScript.
92
SEO Measures basic SEO optimizations: meta tags, crawlability, link text, and mobile friendliness.

Core Web Vitals

Key metrics that affect user experience.

First Contentful Paint First Contentful Paint — how long until the browser renders the first piece of content. Under 1.8s is good.

5.54 s

Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.

29.77 s

Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.

1.85 s

Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.

0.000

Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.

11.16 s

Time to Interactive Time to Interactive — how long until the page is fully interactive and responds to user input. Under 3.8s is good.

34.71 s

Detailed Report

Audit breakdown by category with detailed findings.

29

Performance

Insights

Remove large, duplicate JavaScript modules from bundles to reduce unnecessary bytes consumed by network activity.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Polyfills and transforms enable older browsers to use new JavaScript features. However, many aren't necessary for modern browsers. Consider modifying your JavaScript build process to not transpile Baseline features, unless you know you must support older browsers. Learn why most sites can deploy ES6+ code without transpiling

Why this matters

Shipping ES5 transpiled code to modern browsers wastes bytes — every user with an evergreen browser pays for compatibility you don't need.

Learn more

Most users today run browsers that natively support ES6+, async/await, optional chaining, and the rest of modern JavaScript. Transpiling to ES5 'just in case' adds 20-40% to your bundle for no benefit. Configure your build to target a modern browserslist, or ship a differential bundle pair (modern + legacy) with the module/nomodule pattern.

Source: Google web.dev / Lighthouse

3rd party code can significantly impact load performance. Reduce and defer loading of 3rd party code to prioritize your page's content.

Why this matters

Performance issues directly impact user engagement and conversion rates.

A long cache lifetime can speed up repeat visits to your page. Learn more about caching.

Why this matters

Performance issues directly impact user engagement and conversion rates.

RequestCache TTLTransfer Size
tags.tiqcdn.com/utag/mdanderson/mdandersonorg/prod/utag.js300.0 s71.7 KiB
cdn.evgnet.com/beacon/mdandersoncancercenter/mdacc_main/scripts/evergage.min.js120.0 s56.8 KiB
solutions.invocacdn.com/js/invoca-latest.min.js3600.0 s38.8 KiB
solutions.invocacdn.com/js/pnapi_integration-latest.min.js3600.0 s36.9 KiB
cdn1.adoberesources.net/alloy/2.19.2/alloy.min.js3600.0 s31.6 KiB
/utag/mdanderson/mdandersonorg/prod/utag.1000.js?utv=ut4....300.0 s26.1 KiB
guidecdn.loyalhealth.com/sfx/message1.mp30.0 ms19.1 KiB
/etc.clientlibs/mda/clientlibs/mda-web/clientlib-site/res...864000.0 s177.0 KiB
gateway.foresee.com/sites/mdanderson-org/production/gateway.min.js14400.0 s21.3 KiB
tags.tiqcdn.com/utag/mdanderson/mdandersonorg/prod/utag.sync.js300.0 s14.9 KiB
/utag/mdanderson/mdandersonorg/prod/utag.2993.js?utv=ut4....300.0 s14.4 KiB
/etc.clientlibs/mda/clientlibs/mda-web/clientlib-site/res...864000.0 s109.4 KiB
/etc.clientlibs/mda/clientlibs/mda-web/clientlib-site/res...864000.0 s109.3 KiB
tags.srv.stackadapt.com/events.js5.0 s7.7 KiB
ucm-us.verint-cdn.com/files/sites/mdanderson/live/sdk.js86400.0 s19.2 KiB
siteimproveanalytics.com/js/siteanalyze_23.js86400.0 s18.9 KiB
/utag/mdanderson/mdandersonorg/prod/utag.3790.js?utv=ut4....300.0 s6.2 KiB
www.everestjs.net/static/le/last-event-tag-latest.min.js0.0 ms4.2 KiB
s2.adform.net/banners/scripts/st/trackpoint-async.js604800.0 s31.5 KiB
/etc.clientlibs/mda/clientlibs/mda-web/clientlib-site/res...864000.0 s27.4 KiB
/etc.clientlibs/mda/clientlibs/mda-web/clientlib-site/res...864000.0 s25.8 KiB
/etc.clientlibs/mda/clientlibs/mda-web/clientlib-site/res...864000.0 s24.5 KiB
gateway.foresee.com/code/6.1.2-mp/mpathy-modern.js2419200.0 s25.5 KiB
solutions.invocacdn.com/js/networks/1299/0084722918/tag-live.js300.0 s2.5 KiB
/utag/mdanderson/mdandersonorg/prod/utag.3526.js?utv=ut4....300.0 s2.4 KiB
/utag/mdanderson/mdandersonorg/prod/utag.3524.js?utv=ut4....300.0 s2.4 KiB
/etc.clientlibs/mda/clientlibs/mda-web/clientlib-site/res...864000.0 s21.5 KiB
gateway.foresee.com/code/19.14.5-fs/fs.utils.js2419200.0 s19.7 KiB
/etc.clientlibs/mda/clientlibs/mda-web/clientlib-site/res...864000.0 s17.4 KiB
/etc.clientlibs/mda/clientlibs/mda-web/clientlib-site/res...864000.0 s17.4 KiB
/utag/mdanderson/mdandersonorg/prod/utag.2052.js?utv=ut4....300.0 s1.8 KiB
/utag/mdanderson/mdandersonorg/prod/utag.2642.js?utv=ut4....300.0 s1.5 KiB
gateway.foresee.com/code/19.14.5-fs/fs.compress.js2419200.0 s12.0 KiB
/etc.clientlibs/mda/clientlibs/mda-web/clientlib-site/res...864000.0 s10.5 KiB
ucm-us.verint-cdn.com/files/sites/mdanderson/live/customcode.js86400.0 s1.8 KiB
ucm-us.verint-cdn.com/files/sites/mdanderson/live/custom-style.css86400.0 s1.6 KiB
gateway.foresee.com/sites/mdanderson-org/production/mpathy/customcode.js14400.0 s806 B
/utag/tiqapp/utag.v.js?a=mdanderson/mdandersonorg/2026041...300.0 s432 B
/etc.clientlibs/mda/clientlibs/mda-web/clientlib-site/res...864000.0 s1.9 KiB
/etc.clientlibs/mda/clientlibs/mda-web/clientlib-site/res...864000.0 s1.9 KiB
/etc.clientlibs/mda/clientlibs/mda-web/clientlib-site/res...864000.0 s1.9 KiB
/etc.clientlibs/mda/clientlibs/mda-web/clientlib-site/res...864000.0 s1.7 KiB

Your first network request is the most important. Reduce its latency by avoiding redirects, ensuring a fast server response, and enabling text compression.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Consider setting font-display to swap or optional to ensure text is consistently visible. swap can be further optimized to mitigate layout shifts with font metric overrides.

Why this matters

Performance issues directly impact user engagement and conversion rates.

A forced reflow occurs when JavaScript queries geometric properties (such as offsetWidth) after styles have been invalidated by a change to the DOM state. This can result in poor performance. Learn more about forced reflows and possible mitigations.

Why this matters

Performance issues directly impact user engagement and conversion rates.

headings: [map[key:source label:Top function call valueType:source-location] map[granularity:1 key:reflowTime label:Total reflow time valueType:ms]]
items: [map[reflowTime:8.064 source:map[column:17936 line:30 type:source-location url:https://tags.srv.stackadapt.com/events.js urlProvider:network]]]
headings: [map[key:source label:Source valueType:source-location] map[granularity:1 key:reflowTime label:Total reflow time valueType:ms]]
items: [map[reflowTime:0.112 source:map[column:326 line:13 type:source-location url:https://tags.tiqcdn.com/utag/mdanderson/mdandersonorg/prod/utag.js urlProvider:network]] map[reflowTime:52.217 source:map[type:text value:[unattributed]]] map[reflowTime:8.064 source:map[column:17983 line:29 type:source-location url:https://tags.srv.stackadapt.com/events.js urlProvider:network]] map[reflowTime:0.342 source:map[column:217 line:847 type:source-location url:https://www.mdanderson.org/etc.clientlibs/mda/clientlibs/mda-web/external.min.js urlProvider:network]] map[reflowTime:0.971 source:map[column:22 line:1395 type:source-location url:https://www.mdanderson.org/etc.clientlibs/mda/clientlibs/mda-web/external.min.js urlProvider:network]] map[reflowTime:2.331 source:map[column:19 line:1396 type:source-location url:https://www.mdanderson.org/etc.clientlibs/mda/clientlibs/mda-web/external.min.js urlProvider:network]] map[reflowTime:0.825 source:map[column:62 line:1386 type:source-location url:https://www.mdanderson.org/etc.clientlibs/mda/clientlibs/mda-web/external.min.js urlProvider:network]] map[reflowTime:0.124 source:map[column:87 line:1386 type:source-location url:https://www.mdanderson.org/etc.clientlibs/mda/clientlibs/mda-web/external.min.js urlProvider:network]] map[reflowTime:1.177 source:map[column:19920 line:7100 type:source-location url:https://www.mdanderson.org/etc.clientlibs/mda/clientlibs/mda-web/internal.min.js urlProvider:network]] map[reflowTime:0.131 source:map[column:20006 line:7100 type:source-location url:https://www.mdanderson.org/etc.clientlibs/mda/clientlibs/mda-web/internal.min.js urlProvider:network]] map[reflowTime:1.115 source:map[column:78 line:7495 type:source-location url:https://www.mdanderson.org/etc.clientlibs/mda/clientlibs/mda-web/internal.min.js urlProvider:network]] map[reflowTime:9.227 source:map[column:425 line:782 type:source-location url:https://www.mdanderson.org/etc.clientlibs/mda/clientlibs/mda-web/external.min.js urlProvider:network]] map[reflowTime:8.689 source:map[column:280 line:672 type:source-location url:https://www.mdanderson.org/etc.clientlibs/mda/clientlibs/mda-web/external.min.js urlProvider:network]] map[reflowTime:0.326 source:map[column:70 line:785 type:source-location url:https://www.mdanderson.org/etc.clientlibs/mda/clientlibs/mda-web/external.min.js urlProvider:network]] map[reflowTime:0.184 source:map[column:441 line:785 type:source-location url:https://www.mdanderson.org/etc.clientlibs/mda/clientlibs/mda-web/external.min.js urlProvider:network]] map[reflowTime:0.306 source:map[column:107 line:786 type:source-location url:https://www.mdanderson.org/etc.clientlibs/mda/clientlibs/mda-web/external.min.js urlProvider:network]] map[reflowTime:0.285 source:map[column:179 line:786 type:source-location url:https://www.mdanderson.org/etc.clientlibs/mda/clientlibs/mda-web/external.min.js urlProvider:network]] map[reflowTime:1.982 source:map[column:447 line:782 type:source-location url:https://www.mdanderson.org/etc.clientlibs/mda/clientlibs/mda-web/external.min.js urlProvider:network]] map[reflowTime:1.914 source:map[column:294 line:672 type:source-location url:https://www.mdanderson.org/etc.clientlibs/mda/clientlibs/mda-web/external.min.js urlProvider:network]]]

Each subpart has specific improvement strategies. Ideally, most of the LCP time should be spent on loading the resources, not within delays.

Why this matters

Performance issues directly impact user engagement and conversion rates.

headings: [map[key:label label:Subpart valueType:text] map[key:duration label:Duration valueType:ms]]
items: [map[duration:1071.8510009765625 label:Time to first byte subpart:timeToFirstByte] map[duration:1992.0259990234374 label:Resource load delay subpart:resourceLoadDelay] map[duration:277.182 label:Resource load duration subpart:resourceLoadDuration] map[duration:43.35 label:Element render delay subpart:elementRenderDelay]]
lhId: page-0-DIV
nodeLabel: div.slick-track > div.carousel-item > div > div.carousel-image
path: 6,HTML,3,BODY,10,MAIN,11,DIV,1,DIV,0,SECTION,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,6,DIV
selector: div.slick-track > div.carousel-item > div > div.carousel-image
snippet: <div class="carousel-image media-image mda-media-brightness no-overlay" style="background-image: url(&quot;/content/mda/en/patients-family/jcr:content/heropars…&quot;);">

Optimize LCP by making the LCP image discoverable from the HTML immediately, and avoiding lazy-loading

Why this matters

Performance issues directly impact user engagement and conversion rates.

lhId: page-0-DIV
nodeLabel: div.slick-track > div.carousel-item > div > div.carousel-image
path: 6,HTML,3,BODY,10,MAIN,11,DIV,1,DIV,0,SECTION,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,6,DIV
selector: div.slick-track > div.carousel-item > div > div.carousel-image
snippet: <div class="carousel-image media-image mda-media-brightness no-overlay" style="background-image: url(&quot;/content/mda/en/patients-family/jcr:content/heropars…&quot;);">

HTTP/2 and HTTP/3 offer many benefits over HTTP/1.1, such as multiplexing. Learn more about using modern HTTP.

Why this matters

Performance issues directly impact user engagement and conversion rates.

URLProtocol
www.mdanderson.org/http/1.1
/etc.clientlibs/mda/clientlibs/mda-web/A.clientlib-all.mi...http/1.1
/etc.clientlibs/mda/clientlibs/mda-web/clientlib-site/res...http/1.1
/etc.clientlibs/mda/clientlibs/mda-web/clientlib-site/res...http/1.1
/etc.clientlibs/mda/clientlibs/mda-web/clientlib-site/res...http/1.1
/etc.clientlibs/mda/clientlibs/mda-web/clientlib-site/res...http/1.1
/etc.clientlibs/mda/clientlibs/mda-web/clientlib-site/res...http/1.1
/etc.clientlibs/mda/clientlibs/mda-web/clientlib-site/res...http/1.1
/etc.clientlibs/mda/clientlibs/mda-web/clientlib-site/res...http/1.1
/etc.clientlibs/mda/clientlibs/mda-web/clientlib-site/res...http/1.1
/etc.clientlibs/mda/clientlibs/mda-web/clientlib-site/res...http/1.1
/etc.clientlibs/mda/clientlibs/mda-web/clientlib-site/res...http/1.1
/etc.clientlibs/mda/clientlibs/mda-web/clientlib-site/res...http/1.1
/content/dam/mdanderson/images/publications/focused-on-he...http/1.1
/content/dam/mdanderson/images/hero-images/Integrated Med...http/1.1
/content/dam/mdanderson/images/l2-l3-hero/xsujit_prabhu_p...http/1.1
/content/dam/mdanderson/images/moonshots/researchplatform...http/1.1
/lookups/carousel-lookup/homepage-highlights2/2025-us-new...http/1.1
/lookups/carousel-lookup/homepage-highlights2/annual-repo...http/1.1
/lookups/carousel-lookup/homepage-highlights2/rare-leukem...http/1.1
/lookups/carousel-lookup/homepage-highlights2/personalize...http/1.1
/lookups/carousel-lookup/homepage-highlights2/recognizing...http/1.1
/lookups/carousel-lookup/homepage-highlights2/cold-sensit...http/1.1
/lookups/carousel-lookup/homepage-highlights2/only-possib...http/1.1
/lookups/carousel-lookup/homepage-highlights2/y-90-for-li...http/1.1
/content/mda/en/jcr:content/footer/xdesktoplogo.resize.pn...http/1.1
/content/mda/en/jcr:content/footer/xmobilelogo.resize.png...http/1.1
/etc.clientlibs/mda/clientlibs/mda-web/clientlib-site/res...http/1.1
www.mdanderson.org/etc.clientlibs/mda/clientlibs/mda-web/external.min.jshttp/1.1
www.mdanderson.org/etc.clientlibs/mda/clientlibs/mda-web/internal.min.jshttp/1.1
/etc.clientlibs/mda/clientlibs/mda-web/A.clientlib-video....http/1.1
www.mdanderson.org/etc.clientlibs/mda/clientlibs/mda-web/clientlib-video.min.jshttp/1.1
/etc.clientlibs/mda/clientlibs/mda-web/clientlib-site/res...http/1.1
/etc.clientlibs/mda/clientlibs/mda-web/clientlib-site/res...http/1.1
www.mdanderson.org/libs/granite/csrf/token.jsonhttp/1.1
/etc.clientlibs/mda/clientlibs/mda-web/clientlib-site/res...http/1.1
www.mdanderson.org/_jcr_content/siteHeader/alert.mobile-nocache.htmlhttp/1.1
/patients-family/jcr:content/mainparsys/fullwidthvideo_co...http/1.1
/etc.clientlibs/mda/clientlibs/mda-web/clientlib-site/res...http/1.1
/etc.clientlibs/mda/clientlibs/mda-web/clientlib-site/res...http/1.1
/etc.clientlibs/mda/clientlibs/mda-web/clientlib-site/res...http/1.1
/patients-family/jcr:content/heroparsys/herocarousel/slid...http/1.1
/etc.clientlibs/mda/clientlibs/mda-web/clientlib-site/res...http/1.1

Avoid chaining critical requests by reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load.

Why this matters

Performance issues directly impact user engagement and conversion rates.

description: [preconnect](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/) hints help the browser establish a connection earlier in the page load, saving time when the first request for that origin is made. The following are the origins that the page preconnected to.
title: Preconnected origins
value: no origins were preconnected
description: Add [preconnect](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/) hints to your most important origins, but try to use no more than 4.
title: Preconnect candidates

Requests are blocking the page's initial render, which may delay LCP. Deferring or inlining can move these network requests out of the critical path.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Reducing the download time of images can improve the perceived load time of the page and LCP. Learn more about optimizing image size

Why this matters

Performance issues directly impact user engagement and conversion rates.

URLResource SizeEst Savings
The University of Texas MD Anderson Cancer Center header.mda-nav > div.mda-nav-top > a#nav-logo > img
/etc.clientlibs/mda/clientlibs/mda-web/clientlib-site/res...20.1 KiB19.9 KiB
a#patients_family_carouselitem_y_90_for_liver_ > div.carousel-image > picture > img a#patients_family_carouselitem_y_90_for_liver_ > div.carousel-image > picture > img
/lookups/carousel-lookup/homepage-highlights2/y-90-for-li...31.6 KiB8.5 KiB

These insights are also available in the Chrome DevTools Performance Panel - record a trace to view more detailed information.

Time to Interactive is the amount of time it takes for the page to become fully interactive. Learn more about the Time to Interactive metric.

Why this matters

Performance issues directly impact user engagement and conversion rates.

TTI

Redirects introduce additional delays before the page can be loaded. Learn how to avoid page redirects.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 1.1 s
URLTime Spent
mdanderson.org/1.1 s
www.mdanderson.org/0.0 ms

The maximum potential First Input Delay that your users could experience is the duration of the longest task. Learn more about the Maximum Potential First Input Delay metric.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Diagnostics

Minifying JavaScript files can reduce payload sizes and script parse time. Learn how to minify JavaScript.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. Learn how to reduce unused CSS.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 850 ms 136.9 KiB

Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. Learn how to reduce unused JavaScript.

Why this matters

Multi-megabyte JavaScript bundles delay every interactive feature on the page.

Learn more

This is the Lighthouse audit fired when too much JS is shipped relative to what executes. The fix isn't a config flag — it requires bundle analysis (webpack-bundle-analyzer, rollup-plugin-visualizer), splitting routes into chunks, lazy-loading off-screen components, and removing unused dependencies. Fundamentally different from minification: minifying reduces byte count, this reduces what's downloaded at all.

Source: Google web.dev / Lighthouse

Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this. Learn how to reduce Javascript execution time.

Why this matters

Performance issues directly impact user engagement and conversion rates.

URLTotal CPU TimeScript EvaluationScript Parse
www.mdanderson.org/etc.clientlibs/mda/clientlibs/mda-web/external.min.js4.5 s1.8 s132 ms
ucm-us.verint-cdn.com/files/modules/unified-websdk/2.11.0/database.js1.7 s1.7 s0.6 ms
Unattributable1.2 s59 ms0.0 ms
www.mdanderson.org/919 ms51 ms6.6 ms
cform.loyalhealth.com/app-961-6a80bf7fc23a9a39e48a.js764 ms734 ms9.7 ms
www.mdanderson.org/etc.clientlibs/mda/clientlibs/mda-web/internal.min.js747 ms365 ms206 ms
gateway.foresee.com/code/6.1.2-mp/mpathy-modern.js595 ms565 ms7.0 ms
tags.tiqcdn.com/utag/mdanderson/mdandersonorg/prod/utag.js435 ms386 ms32 ms
cdn.evgnet.com/beacon/mdandersoncancercenter/mdacc_main/scripts/evergage.min.js262 ms190 ms32 ms
solutions.invocacdn.com/js/networks/1299/0084722918/tag-live.js257 ms247 ms3.2 ms
www.mdanderson.org/etc.clientlibs/mda/clientlibs/mda-web/clientlib-video.min.js213 ms147 ms54 ms
ucm-us.verint-cdn.com/files/modules/unified-websdk/2.11.0/visitor.js197 ms145 ms4.8 ms
www.googletagmanager.com/gtag/js?id=DC-15344997154 ms128 ms25 ms
guide.loyalhealth.com/client/10.client.bundle.js122 ms104 ms17 ms
/utag/mdanderson/mdandersonorg/prod/utag.1000.js?utv=ut4....115 ms102 ms6.0 ms
cdn1.adoberesources.net/alloy/2.19.2/alloy.min.js106 ms92 ms13 ms
tags.srv.stackadapt.com/events.js100 ms55 ms2.4 ms
tags.tiqcdn.com/utag/mdanderson/mdandersonorg/prod/utag.sync.js91 ms74 ms3.4 ms
guide.loyalhealth.com/client/7.client.bundle.js89 ms3.8 ms81 ms
gateway.foresee.com/code/19.14.5-fs/fs.utils.js87 ms81 ms3.9 ms
ucm-us.verint-cdn.com/files/modules/unified-websdk/2.11.0/recording-engine.js85 ms77 ms4.9 ms
/etc.clientlibs/mda/clientlibs/mda-web/A.clientlib-all.mi...85 ms0.0 ms0.0 ms
siteimproveanalytics.com/js/siteanalyze_23.js69 ms57 ms5.3 ms
a1.adform.net/serving/scripts/trackpoint/async/61 ms38 ms23 ms
gateway.foresee.com/sites/mdanderson-org/production/gateway.min.js57 ms48 ms7.9 ms
guide.loyalhealth.com/client/client.bundle.js54 ms48 ms5.3 ms
/utag/mdanderson/mdandersonorg/prod/utag.2993.js?utv=ut4....51 ms47 ms3.8 ms

Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this. Learn how to minimize main-thread work

Why this matters

Performance issues directly impact user engagement and conversion rates.

CategoryTime Spent
Script Evaluation7.6 s
Other3.5 s
Script Parsing & Compilation786 ms
Style & Layout785 ms
Rendering409 ms
Garbage Collection309 ms
Parse HTML & CSS139 ms

Many navigations are performed by going back to a previous page, or forwards again. The back/forward cache (bfcache) can speed up these return navigations. Learn more about the bfcache

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failure reasonFailure type
The page has an unload handler in the main frame.Actionable

Set an explicit width and height on image elements to reduce layout shifts and improve CLS. Learn how to set image dimensions

Why this matters

Performance issues directly impact user engagement and conversion rates.

URL
The University of Texas MD Anderson Cancer Center header.mda-nav > div.mda-nav-top > a#nav-logo > img
/etc.clientlibs/mda/clientlibs/mda-web/clientlib-site/res...
Decorative art pieces hanging from the ceiling div.basic-content-media-wrapper > div.media-image > picture > img
/content/mda/en/patients-family/jcr:content/mainparsys/fu...
UT MD Anderson logo div.bottom-footer-bar > div.footer-bar-logo > a > img.logo
/content/mda/en/jcr:content/footer/xmobilelogo.resize.png...
a.carousel-item-link > div.carousel-image > picture > img a.carousel-item-link > div.carousel-image > picture > img
/content/mda/en/lookups/carousel-lookup/homepage-highligh...
a.carousel-item-link > div.carousel-image > picture > img a.carousel-item-link > div.carousel-image > picture > img
/content/mda/en/lookups/carousel-lookup/homepage-highligh...
MD Anderson ranked #1 in the nation for cancer care a#patients_family_carouselitem_top_cancer_hosp > div.carousel-image > picture > img
/content/mda/en/lookups/carousel-lookup/homepage-highligh...
a#patients_family_carouselitem_annual_report > div.carousel-image > picture > img a#patients_family_carouselitem_annual_report > div.carousel-image > picture > img
/content/mda/en/lookups/carousel-lookup/homepage-highligh...
a#patients_family_carouselitem_rare_leukemia_s > div.carousel-image > picture > img a#patients_family_carouselitem_rare_leukemia_s > div.carousel-image > picture > img
/content/mda/en/lookups/carousel-lookup/homepage-highligh...
a#patients_family_carouselitem_personalized_tr > div.carousel-image > picture > img a#patients_family_carouselitem_personalized_tr > div.carousel-image > picture > img
/content/mda/en/lookups/carousel-lookup/homepage-highligh...
a#patients_family_carouselitem_recognizing_deh > div.carousel-image > picture > img a#patients_family_carouselitem_recognizing_deh > div.carousel-image > picture > img
/content/mda/en/lookups/carousel-lookup/homepage-highligh...
a#patients_family_carouselitem_cold_sensitivit > div.carousel-image > picture > img a#patients_family_carouselitem_cold_sensitivit > div.carousel-image > picture > img
/content/mda/en/lookups/carousel-lookup/homepage-highligh...
a#patients_family_carouselitem_only_possible_h > div.carousel-image > picture > img a#patients_family_carouselitem_only_possible_h > div.carousel-image > picture > img
/content/mda/en/lookups/carousel-lookup/homepage-highligh...
a#patients_family_carouselitem_y_90_for_liver_ > div.carousel-image > picture > img a#patients_family_carouselitem_y_90_for_liver_ > div.carousel-image > picture > img
/content/mda/en/lookups/carousel-lookup/homepage-highligh...
MD Anderson ranked #1 in the nation for cancer care a.carousel-item-link > div.carousel-image > picture > img
/content/mda/en/lookups/carousel-lookup/homepage-highligh...
a.carousel-item-link > div.carousel-image > picture > img a.carousel-item-link > div.carousel-image > picture > img
/content/mda/en/lookups/carousel-lookup/homepage-highligh...
shield div.module > div.badge > div.badge-img-container > img
MD Anderson works with Level Access to ensure our website is accessible and fun… ul#a11y-block > li > a.a11y-icon > img
/etc.clientlibs/mda/clientlibs/mda-web/clientlib-site/res...

More information about the performance of your application. These numbers don't directly affect the Performance score.

Layout shift culprits
Optimize DOM size
Optimize viewport for mobile
Minify CSS
Avoid long main-thread tasks 20 long tasks found
Avoid non-composited animations 1 animated element found
Network Requests
Network Round Trip Times 400 ms
Server Backend Latencies 6,490 ms
Tasks
Diagnostics
Metrics
Screenshot Thumbnails
Final Screenshot
Script Treemap Data
Resources Summary
Initial server response time was short Root document took 150 ms
INP breakdown
User Timing marks and measures
Avoid large layout shifts
85

Accessibility

These checks highlight opportunities to improve the accessibility of your web app. Automatic detection can only detect a subset of issues and does not guarantee the accessibility of your web app, so manual testing is also encouraged.

ARIA

When an input field doesn't have an accessible name, screen readers announce it with a generic name, making it unusable for users who rely on screen readers. Learn more about input field labels.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
div.module > div.search-block > div.search-wrapper > ul.search-results div.module > div.search-block > div.search-wrapper > ul.search-results
div.module > div.search-block > div.search-wrapper > ul.search-results div.module > div.search-block > div.search-wrapper > ul.search-results

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Contrast

Low-contrast text is difficult or impossible for many users to read. Learn how to provide sufficient color contrast.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
div.search-block > div.search-wrapper > form#search-cancer-types > input#search-cancer-types-field div.search-block > div.search-wrapper > form#search-cancer-types > input#search-cancer-types-field
div.search-block > div.search-wrapper > form#search-clinical-trials > input#search-clinical-trials-field div.search-block > div.search-wrapper > form#search-clinical-trials > input#search-clinical-trials-field
Learn more about UT MD Anderson div.rte-container > p > span.cta > a
UT MD Anderson p > span.cta > a > span.nowrap
Art provides healing for patients and caregivers div.media-inner > div.media-body > div.media-body-text > h3

These are opportunities to improve the legibility of your content.

Navigation

Properly ordered headings that do not skip levels convey the semantic structure of the page, making it easier to navigate and understand when using assistive technologies. Learn more about heading order.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
Art provides healing for patients and caregivers div.media-inner > div.media-body > div.media-body-text > h3

These are opportunities to improve keyboard navigation in your application.

Names and labels

Informative elements should aim for short, descriptive alternate text. Decorative elements can be ignored with an empty alt attribute. Learn more about the `alt` attribute.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
a.carousel-item-link > div.carousel-image > picture > img a.carousel-item-link > div.carousel-image > picture > img
a.carousel-item-link > div.carousel-image > picture > img a.carousel-item-link > div.carousel-image > picture > img
a#patients_family_carouselitem_annual_report > div.carousel-image > picture > img a#patients_family_carouselitem_annual_report > div.carousel-image > picture > img
a#patients_family_carouselitem_rare_leukemia_s > div.carousel-image > picture > img a#patients_family_carouselitem_rare_leukemia_s > div.carousel-image > picture > img
a#patients_family_carouselitem_personalized_tr > div.carousel-image > picture > img a#patients_family_carouselitem_personalized_tr > div.carousel-image > picture > img
a#patients_family_carouselitem_recognizing_deh > div.carousel-image > picture > img a#patients_family_carouselitem_recognizing_deh > div.carousel-image > picture > img
a#patients_family_carouselitem_cold_sensitivit > div.carousel-image > picture > img a#patients_family_carouselitem_cold_sensitivit > div.carousel-image > picture > img
a#patients_family_carouselitem_only_possible_h > div.carousel-image > picture > img a#patients_family_carouselitem_only_possible_h > div.carousel-image > picture > img
a#patients_family_carouselitem_y_90_for_liver_ > div.carousel-image > picture > img a#patients_family_carouselitem_y_90_for_liver_ > div.carousel-image > picture > img
a.carousel-item-link > div.carousel-image > picture > img a.carousel-item-link > div.carousel-image > picture > img

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Best practices

Touch targets with sufficient size and spacing help users who may have difficulty targeting small controls to activate the targets. Learn more about touch targets.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
1 div.carousel-group > ul.slick-dots > li.slick-active > button
2 div.carousel-group > ul.slick-dots > li > button
3 div.carousel-group > ul.slick-dots > li > button
4 div.carousel-group > ul.slick-dots > li > button
5 div.carousel-group > ul.slick-dots > li > button
6 div.carousel-group > ul.slick-dots > li > button
7 div.carousel-group > ul.slick-dots > li > button
8 div.carousel-group > ul.slick-dots > li > button

These items highlight common accessibility best practices.

Visible text labels that do not match the accessible name can result in a confusing experience for screen reader users. Learn more about accessible names.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
MENU header.mda-nav > div.mda-nav-top > div.mda-nav-mobile-menu > button.mda-nav-mobile-menu-button
Bringing comfort and courage to patients through art. div.carousel-body-inner > div.carousel-body-content > div.left-aligned-cta > a.cta-block
Top cancer hospital div.slick-list > div.slick-track > div.carousel-item > a#patients_family_carouselitem_top_cancer_hosp
Interactive controls are keyboard focusable
Interactive elements indicate their purpose and state
The page has a logical tab order
Visual order on the page follows DOM order
User focus is not accidentally trapped in a region
The user's focus is directed to new content added to the page
HTML5 landmark elements are used to improve navigation
Offscreen content is hidden from assistive technology
Custom controls have associated labels
Custom controls have ARIA roles
`[aria-*]` attributes match their roles
`[aria-hidden="true"]` is not present on the document `<body>`
`[role]`s have all required `[aria-*]` attributes
Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
`[role]` values are valid
`[aria-*]` attributes have valid values
`[aria-*]` attributes are valid and not misspelled
Buttons have an accessible name
Input buttons have discernible text.
Form elements have associated labels
`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
`button`, `link`, and `menuitem` elements have accessible names
ARIA attributes are used as specified for the element's role
Elements with `role="dialog"` or `role="alertdialog"` have accessible names.
`[aria-hidden="true"]` elements do not contain focusable descendents
Elements use only permitted ARIA attributes
Document has a `<title>` element
`<html>` element has a `[lang]` attribute
`<html>` element has a valid value for its `[lang]` attribute
Links have a discernible name
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
List items (`<li>`) are contained within `<ul>`, `<ol>` or `<menu>` parent elements
No element has a `[tabindex]` value greater than 0
Document has a main landmark.
Deprecated ARIA roles were not used
Identical links have the same purpose.
`[accesskey]` values are unique
ARIA `meter` elements have accessible names
ARIA `progressbar` elements have accessible names
`[role]`s are contained by their required parent element
Elements with the `role=text` attribute do not have focusable descendents.
ARIA toggle fields have accessible names
ARIA `tooltip` elements have accessible names
ARIA `treeitem` elements have accessible names
The page contains a heading, skip link, or landmark region
`<dl>`'s contain only properly-ordered `<dt>` and `<dd>` groups, `<script>`, `<template>` or `<div>` elements.
Definition list items are wrapped in `<dl>` elements
ARIA IDs are unique
No form fields have multiple labels
`<frame>` or `<iframe>` elements have a title
`<html>` element has an `[xml:lang]` attribute with the same base language as the `[lang]` attribute.
`<input type="image">` elements have `[alt]` text
Links are distinguishable without relying on color.
The document does not use `<meta http-equiv="refresh">`
`<object>` elements have alternate text
Select elements have associated label elements.
Skip links are focusable.
Cells in a `<table>` element that use the `[headers]` attribute refer to table cells within the same table.
`<th>` elements and elements with `[role="columnheader"/"rowheader"]` have data cells they describe.
`[lang]` attributes have a valid value
`<video>` elements contain a `<track>` element with `[kind="captions"]`
Tables have different content in the summary attribute and `<caption>`.
All heading elements contain content.
Uses ARIA roles only on compatible elements
Image elements do not have `[alt]` attributes that are redundant text.
Tables use `<caption>` instead of cells with the `[colspan]` attribute to indicate a caption.
`<td>` elements in a large `<table>` have one or more table headers.
77

Best Practices

General

Deprecated APIs will eventually be removed from the browser. Learn more about deprecated APIs.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Deprecation / WarningSource
Unload event listeners are deprecated and will be removed.
Authorization will not be covered by the wildcard symbol (*) in CORS Access-Control-Allow-Headers handling.

Errors logged to the console indicate unresolved problems. They can come from network request failures and other browser concerns. Learn more about this errors in console diagnostic audit

Why this matters

Performance issues directly impact user engagement and conversion rates.

SourceDescription
Failed to load resource: net::ERR_NAME_NOT_RESOLVED
TypeError: Cannot read properties of undefined (reading 'top') at offsetAnchor (https://www.mdanderson.org/etc.clientlibs/mda/clientlibs/mda-web/internal.min.js:8075:61) at dispatch (https://www.mdanderson.org/etc.clientlibs/mda/clientlibs/mda-web/external.min.js:755:118) at g.handle (https://www.mdanderson.org/etc.clientlibs/mda/clientlibs/mda-web/external.min.js:748:326) at Object.trigger (https://www.mdanderson.org/etc.clientlibs/mda/clientlibs/mda-web/external.min.js:753:240) at https://www.mdanderson.org/etc.clientlibs/mda/clientlibs/mda-web/external.min.js:768:382 at r.each (https://www.mdanderson.org/etc.clientlibs/mda/clientlibs/mda-web/external.min.js:684:417) at r.fn.init.each (https://www.mdanderson.org/etc.clientlibs/mda/clientlibs/mda-web/external.min.js:680:303) at r.fn.init.trigger (https://www.mdanderson.org/etc.clientlibs/mda/clientlibs/mda-web/external.min.js:768:358) at https://www.mdanderson.org/etc.clientlibs/mda/clientlibs/mda-web/internal.min.js:8081:23
Uses HTTPS
Avoids third-party cookies
Allows users to paste into input fields
Avoids requesting the geolocation permission on page load
Avoids requesting the notification permission on page load
Displays images with correct aspect ratio
Serves images with appropriate resolution
Page has the HTML doctype
Properly defines charset
No issues in the `Issues` panel in Chrome Devtools
Ensure CSP is effective against XSS attacks
Use a strong HSTS policy
Ensure proper origin isolation with COOP
Mitigate DOM-based XSS with Trusted Types
Detected JavaScript libraries
Redirects HTTP traffic to HTTPS
Mitigate clickjacking with XFO or CSP
92

SEO

These checks ensure that your page is following basic search engine optimization advice. There are many additional factors Lighthouse does not score here that may affect your search ranking, including performance on Core Web Vitals. Learn more about Google Search Essentials.

Content Best Practices

Informative elements should aim for short, descriptive alternate text. Decorative elements can be ignored with an empty alt attribute. Learn more about the `alt` attribute.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
a.carousel-item-link > div.carousel-image > picture > img a.carousel-item-link > div.carousel-image > picture > img
a.carousel-item-link > div.carousel-image > picture > img a.carousel-item-link > div.carousel-image > picture > img
a#patients_family_carouselitem_annual_report > div.carousel-image > picture > img a#patients_family_carouselitem_annual_report > div.carousel-image > picture > img
a#patients_family_carouselitem_rare_leukemia_s > div.carousel-image > picture > img a#patients_family_carouselitem_rare_leukemia_s > div.carousel-image > picture > img
a#patients_family_carouselitem_personalized_tr > div.carousel-image > picture > img a#patients_family_carouselitem_personalized_tr > div.carousel-image > picture > img
a#patients_family_carouselitem_recognizing_deh > div.carousel-image > picture > img a#patients_family_carouselitem_recognizing_deh > div.carousel-image > picture > img
a#patients_family_carouselitem_cold_sensitivit > div.carousel-image > picture > img a#patients_family_carouselitem_cold_sensitivit > div.carousel-image > picture > img
a#patients_family_carouselitem_only_possible_h > div.carousel-image > picture > img a#patients_family_carouselitem_only_possible_h > div.carousel-image > picture > img
a#patients_family_carouselitem_y_90_for_liver_ > div.carousel-image > picture > img a#patients_family_carouselitem_y_90_for_liver_ > div.carousel-image > picture > img
a.carousel-item-link > div.carousel-image > picture > img a.carousel-item-link > div.carousel-image > picture > img

Format your HTML in a way that enables crawlers to better understand your app’s content.

Structured data is valid
Page isn’t blocked from indexing
Document has a `<title>` element
Document has a meta description
Page has successful HTTP status code
Links have descriptive text
Links are crawlable
robots.txt is valid
Document has a valid `hreflang`
Document has a valid `rel=canonical`

Lighthouse Scores

Industry-standard audits powered by Google Lighthouse. — Desktop

58
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
89
Accessibility Measures how accessible the page is for users with disabilities. Checks color contrast, ARIA labels, and semantic HTML.
77
Best Practices Checks for modern web development best practices including HTTPS, no console errors, and secure JavaScript.
92
SEO Measures basic SEO optimizations: meta tags, crawlability, link text, and mobile friendliness.

Core Web Vitals

Key metrics that affect user experience. — Desktop

First Contentful Paint First Contentful Paint — how long until the browser renders the first piece of content. Under 1.8s is good.

2.46 s

Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.

6.68 s

Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.

50 ms

Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.

0.000

Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.

4.13 s

Time to Interactive Time to Interactive — how long until the page is fully interactive and responds to user input. Under 3.8s is good.

7.15 s

Detailed Report

Audit breakdown by category with detailed findings.

58

Performance

Insights

Remove large, duplicate JavaScript modules from bundles to reduce unnecessary bytes consumed by network activity.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Polyfills and transforms enable older browsers to use new JavaScript features. However, many aren't necessary for modern browsers. Consider modifying your JavaScript build process to not transpile Baseline features, unless you know you must support older browsers. Learn why most sites can deploy ES6+ code without transpiling

Why this matters

Shipping ES5 transpiled code to modern browsers wastes bytes — every user with an evergreen browser pays for compatibility you don't need.

Learn more

Most users today run browsers that natively support ES6+, async/await, optional chaining, and the rest of modern JavaScript. Transpiling to ES5 'just in case' adds 20-40% to your bundle for no benefit. Configure your build to target a modern browserslist, or ship a differential bundle pair (modern + legacy) with the module/nomodule pattern.

Source: Google web.dev / Lighthouse

3rd party code can significantly impact load performance. Reduce and defer loading of 3rd party code to prioritize your page's content.

Why this matters

Performance issues directly impact user engagement and conversion rates.

A long cache lifetime can speed up repeat visits to your page. Learn more about caching.

Why this matters

Performance issues directly impact user engagement and conversion rates.

RequestCache TTLTransfer Size
tags.tiqcdn.com/utag/mdanderson/mdandersonorg/prod/utag.js300.0 s71.7 KiB
cdn.evgnet.com/beacon/mdandersoncancercenter/mdacc_main/scripts/evergage.min.js120.0 s56.8 KiB
solutions.invocacdn.com/js/invoca-latest.min.js3600.0 s38.8 KiB
solutions.invocacdn.com/js/pnapi_integration-latest.min.js3600.0 s36.9 KiB
cdn1.adoberesources.net/alloy/2.19.2/alloy.min.js3600.0 s31.6 KiB
/utag/mdanderson/mdandersonorg/prod/utag.1000.js?utv=ut4....300.0 s26.1 KiB
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ucm-us.verint-cdn.com/files/sites/mdanderson/live/sdk.js86400.0 s19.2 KiB
siteimproveanalytics.com/js/siteanalyze_23.js86400.0 s18.9 KiB
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/etc.clientlibs/mda/clientlibs/mda-web/clientlib-site/res...864000.0 s1.9 KiB
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Your first network request is the most important. Reduce its latency by avoiding redirects, ensuring a fast server response, and enabling text compression.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Consider setting font-display to swap or optional to ensure text is consistently visible. swap can be further optimized to mitigate layout shifts with font metric overrides.

Why this matters

Performance issues directly impact user engagement and conversion rates.

A forced reflow occurs when JavaScript queries geometric properties (such as offsetWidth) after styles have been invalidated by a change to the DOM state. This can result in poor performance. Learn more about forced reflows and possible mitigations.

Why this matters

Performance issues directly impact user engagement and conversion rates.

headings: [map[key:source label:Top function call valueType:source-location] map[granularity:1 key:reflowTime label:Total reflow time valueType:ms]]
items: [map[reflowTime:8.574 source:map[column:41 line:665 type:source-location url:https://www.mdanderson.org/etc.clientlibs/mda/clientlibs/mda-web/external.min.js urlProvider:network]]]
headings: [map[key:source label:Source valueType:source-location] map[granularity:1 key:reflowTime label:Total reflow time valueType:ms]]
items: [map[reflowTime:0.231 source:map[column:55152 line:415 type:source-location url:https://tags.tiqcdn.com/utag/mdanderson/mdandersonorg/prod/utag.js urlProvider:network]] map[reflowTime:50.831 source:map[type:text value:[unattributed]]] map[reflowTime:0.545 source:map[column:217 line:847 type:source-location url:https://www.mdanderson.org/etc.clientlibs/mda/clientlibs/mda-web/external.min.js urlProvider:network]] map[reflowTime:1.157 source:map[column:82 line:1391 type:source-location url:https://www.mdanderson.org/etc.clientlibs/mda/clientlibs/mda-web/external.min.js urlProvider:network]] map[reflowTime:1.136 source:map[column:22 line:1395 type:source-location url:https://www.mdanderson.org/etc.clientlibs/mda/clientlibs/mda-web/external.min.js urlProvider:network]] map[reflowTime:2.546 source:map[column:19 line:1396 type:source-location url:https://www.mdanderson.org/etc.clientlibs/mda/clientlibs/mda-web/external.min.js urlProvider:network]] map[reflowTime:0.918 source:map[column:62 line:1386 type:source-location url:https://www.mdanderson.org/etc.clientlibs/mda/clientlibs/mda-web/external.min.js urlProvider:network]] map[reflowTime:0.144 source:map[column:87 line:1386 type:source-location url:https://www.mdanderson.org/etc.clientlibs/mda/clientlibs/mda-web/external.min.js urlProvider:network]] map[reflowTime:0.994 source:map[column:19920 line:7100 type:source-location url:https://www.mdanderson.org/etc.clientlibs/mda/clientlibs/mda-web/internal.min.js urlProvider:network]] map[reflowTime:0.146 source:map[column:20006 line:7100 type:source-location url:https://www.mdanderson.org/etc.clientlibs/mda/clientlibs/mda-web/internal.min.js urlProvider:network]] map[reflowTime:0.921 source:map[column:58 line:7495 type:source-location url:https://www.mdanderson.org/etc.clientlibs/mda/clientlibs/mda-web/internal.min.js urlProvider:network]] map[reflowTime:8.455 source:map[column:425 line:782 type:source-location url:https://www.mdanderson.org/etc.clientlibs/mda/clientlibs/mda-web/external.min.js urlProvider:network]] map[reflowTime:5.878 source:map[column:280 line:672 type:source-location url:https://www.mdanderson.org/etc.clientlibs/mda/clientlibs/mda-web/external.min.js urlProvider:network]] map[reflowTime:0.325 source:map[column:70 line:785 type:source-location url:https://www.mdanderson.org/etc.clientlibs/mda/clientlibs/mda-web/external.min.js urlProvider:network]] map[reflowTime:0.158 source:map[column:441 line:785 type:source-location url:https://www.mdanderson.org/etc.clientlibs/mda/clientlibs/mda-web/external.min.js urlProvider:network]] map[reflowTime:0.299 source:map[column:107 line:786 type:source-location url:https://www.mdanderson.org/etc.clientlibs/mda/clientlibs/mda-web/external.min.js urlProvider:network]] map[reflowTime:0.216 source:map[column:179 line:786 type:source-location url:https://www.mdanderson.org/etc.clientlibs/mda/clientlibs/mda-web/external.min.js urlProvider:network]] map[reflowTime:0.642 source:map[column:447 line:782 type:source-location url:https://www.mdanderson.org/etc.clientlibs/mda/clientlibs/mda-web/external.min.js urlProvider:network]] map[reflowTime:0.595 source:map[column:294 line:672 type:source-location url:https://www.mdanderson.org/etc.clientlibs/mda/clientlibs/mda-web/external.min.js urlProvider:network]] map[reflowTime:0.959 source:map[column:193 line:850 type:source-location url:https://www.mdanderson.org/etc.clientlibs/mda/clientlibs/mda-web/external.min.js urlProvider:network]] map[reflowTime:0.452 source:map[column:8427 line:149 type:source-location url:https://tags.tiqcdn.com/utag/mdanderson/mdandersonorg/prod/utag.js urlProvider:network]] map[reflowTime:0.436 source:map[column:181 line:523 type:source-location url:https://www.mdanderson.org/etc.clientlibs/mda/clientlibs/mda-web/external.min.js urlProvider:network]] map[reflowTime:0.223 source:map[column:181 line:738 type:source-location url:https://www.mdanderson.org/etc.clientlibs/mda/clientlibs/mda-web/external.min.js urlProvider:network]] map[reflowTime:0.641 source:map[column:77 line:1443 type:source-location url:https://www.mdanderson.org/etc.clientlibs/mda/clientlibs/mda-web/external.min.js urlProvider:network]]]

Each subpart has specific improvement strategies. Ideally, most of the LCP time should be spent on loading the resources, not within delays.

Why this matters

Performance issues directly impact user engagement and conversion rates.

headings: [map[key:label label:Subpart valueType:text] map[key:duration label:Duration valueType:ms]]
items: [map[duration:1060.287 label:Time to first byte subpart:timeToFirstByte] map[duration:1833.166 label:Resource load delay subpart:resourceLoadDelay] map[duration:277.404 label:Resource load duration subpart:resourceLoadDuration] map[duration:69.787 label:Element render delay subpart:elementRenderDelay]]
lhId: page-0-DIV
nodeLabel: div.slick-track > div.carousel-item > div > div.carousel-image
path: 6,HTML,3,BODY,9,MAIN,11,DIV,1,DIV,0,SECTION,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,6,DIV
selector: div.slick-track > div.carousel-item > div > div.carousel-image
snippet: <div class="carousel-image media-image mda-media-brightness no-overlay" style="background-image: url(&quot;/content/mda/en/patients-family/jcr:content/heropars…&quot;);">

Optimize LCP by making the LCP image discoverable from the HTML immediately, and avoiding lazy-loading

Why this matters

Performance issues directly impact user engagement and conversion rates.

lhId: page-0-DIV
nodeLabel: div.slick-track > div.carousel-item > div > div.carousel-image
path: 6,HTML,3,BODY,9,MAIN,11,DIV,1,DIV,0,SECTION,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,6,DIV
selector: div.slick-track > div.carousel-item > div > div.carousel-image
snippet: <div class="carousel-image media-image mda-media-brightness no-overlay" style="background-image: url(&quot;/content/mda/en/patients-family/jcr:content/heropars…&quot;);">

HTTP/2 and HTTP/3 offer many benefits over HTTP/1.1, such as multiplexing. Learn more about using modern HTTP.

Why this matters

Performance issues directly impact user engagement and conversion rates.

URLProtocol
www.mdanderson.org/http/1.1
/etc.clientlibs/mda/clientlibs/mda-web/A.clientlib-all.mi...http/1.1
/etc.clientlibs/mda/clientlibs/mda-web/clientlib-site/res...http/1.1
/etc.clientlibs/mda/clientlibs/mda-web/clientlib-site/res...http/1.1
/etc.clientlibs/mda/clientlibs/mda-web/clientlib-site/res...http/1.1
/etc.clientlibs/mda/clientlibs/mda-web/clientlib-site/res...http/1.1
/etc.clientlibs/mda/clientlibs/mda-web/clientlib-site/res...http/1.1
/etc.clientlibs/mda/clientlibs/mda-web/clientlib-site/res...http/1.1
/etc.clientlibs/mda/clientlibs/mda-web/clientlib-site/res...http/1.1
/etc.clientlibs/mda/clientlibs/mda-web/clientlib-site/res...http/1.1
/etc.clientlibs/mda/clientlibs/mda-web/clientlib-site/res...http/1.1
/etc.clientlibs/mda/clientlibs/mda-web/clientlib-site/res...http/1.1
/etc.clientlibs/mda/clientlibs/mda-web/clientlib-site/res...http/1.1
/content/dam/mdanderson/images/publications/focused-on-he...http/1.1
/content/dam/mdanderson/images/hero-images/Integrated Med...http/1.1
/content/dam/mdanderson/images/l2-l3-hero/sujit_prabhu_ph...http/1.1
/content/dam/mdanderson/images/moonshots/researchplatform...http/1.1
/lookups/carousel-lookup/homepage-highlights2/2025-us-new...http/1.1
/lookups/carousel-lookup/homepage-highlights2/annual-repo...http/1.1
/lookups/carousel-lookup/homepage-highlights2/rare-leukem...http/1.1
/lookups/carousel-lookup/homepage-highlights2/personalize...http/1.1
/lookups/carousel-lookup/homepage-highlights2/recognizing...http/1.1
/lookups/carousel-lookup/homepage-highlights2/cold-sensit...http/1.1
/lookups/carousel-lookup/homepage-highlights2/only-possib...http/1.1
/lookups/carousel-lookup/homepage-highlights2/y-90-for-li...http/1.1
/content/mda/en/jcr:content/footer/xdesktoplogo.resize.pn...http/1.1
/content/mda/en/jcr:content/footer/xmobilelogo.resize.png...http/1.1
/etc.clientlibs/mda/clientlibs/mda-web/clientlib-site/res...http/1.1
www.mdanderson.org/etc.clientlibs/mda/clientlibs/mda-web/external.min.jshttp/1.1
www.mdanderson.org/etc.clientlibs/mda/clientlibs/mda-web/internal.min.jshttp/1.1
/etc.clientlibs/mda/clientlibs/mda-web/A.clientlib-video....http/1.1
www.mdanderson.org/etc.clientlibs/mda/clientlibs/mda-web/clientlib-video.min.jshttp/1.1
/etc.clientlibs/mda/clientlibs/mda-web/clientlib-site/res...http/1.1
/etc.clientlibs/mda/clientlibs/mda-web/clientlib-site/res...http/1.1
www.mdanderson.org/libs/granite/csrf/token.jsonhttp/1.1
/etc.clientlibs/mda/clientlibs/mda-web/clientlib-site/res...http/1.1
www.mdanderson.org/_jcr_content/siteHeader/alert.nocache.htmlhttp/1.1
/patients-family/jcr:content/mainparsys/fullwidthvideo_co...http/1.1
/etc.clientlibs/mda/clientlibs/mda-web/clientlib-site/res...http/1.1
/etc.clientlibs/mda/clientlibs/mda-web/clientlib-site/res...http/1.1
/etc.clientlibs/mda/clientlibs/mda-web/clientlib-site/res...http/1.1
/patients-family/jcr:content/heroparsys/herocarousel/slid...http/1.1
/etc.clientlibs/mda/clientlibs/mda-web/clientlib-site/res...http/1.1

Avoid chaining critical requests by reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load.

Why this matters

Performance issues directly impact user engagement and conversion rates.

description: [preconnect](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/) hints help the browser establish a connection earlier in the page load, saving time when the first request for that origin is made. The following are the origins that the page preconnected to.
title: Preconnected origins
value: no origins were preconnected
description: Add [preconnect](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/) hints to your most important origins, but try to use no more than 4.
title: Preconnect candidates

Requests are blocking the page's initial render, which may delay LCP. Deferring or inlining can move these network requests out of the critical path.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Reducing the download time of images can improve the perceived load time of the page and LCP. Learn more about optimizing image size

Why this matters

Performance issues directly impact user engagement and conversion rates.

URLResource SizeEst Savings
UT MD Anderson logo div.footer-links > div.col2 > a > img.desktop
/content/mda/en/jcr:content/footer/xdesktoplogo.resize.pn...38.4 KiB37.8 KiB
The University of Texas MD Anderson Cancer Center header.mda-nav > div.mda-nav-top > a#nav-logo > img
/etc.clientlibs/mda/clientlibs/mda-web/clientlib-site/res...20.1 KiB20.0 KiB
a#patients_family_carouselitem_recognizing_deh > div.carousel-image > picture > img a#patients_family_carouselitem_recognizing_deh > div.carousel-image > picture > img
/lookups/carousel-lookup/homepage-highlights2/recognizing...17.4 KiB11.7 KiB
a#patients_family_carouselitem_y_90_for_liver_ > div.carousel-image > picture > img a#patients_family_carouselitem_y_90_for_liver_ > div.carousel-image > picture > img
/lookups/carousel-lookup/homepage-highlights2/y-90-for-li...10.9 KiB5.2 KiB

These insights are also available in the Chrome DevTools Performance Panel - record a trace to view more detailed information.

Redirects introduce additional delays before the page can be loaded. Learn how to avoid page redirects.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 583 ms
URLTime Spent
mdanderson.org/583 ms
www.mdanderson.org/0.0 ms

Time to Interactive is the amount of time it takes for the page to become fully interactive. Learn more about the Time to Interactive metric.

Why this matters

Performance issues directly impact user engagement and conversion rates.

TTI

Diagnostics

Minifying JavaScript files can reduce payload sizes and script parse time. Learn how to minify JavaScript.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. Learn how to reduce unused CSS.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 0.0 ms 142.9 KiB

Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. Learn how to reduce unused JavaScript.

Why this matters

Multi-megabyte JavaScript bundles delay every interactive feature on the page.

Learn more

This is the Lighthouse audit fired when too much JS is shipped relative to what executes. The fix isn't a config flag — it requires bundle analysis (webpack-bundle-analyzer, rollup-plugin-visualizer), splitting routes into chunks, lazy-loading off-screen components, and removing unused dependencies. Fundamentally different from minification: minifying reduces byte count, this reduces what's downloaded at all.

Source: Google web.dev / Lighthouse

Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this. Learn how to minimize main-thread work

Why this matters

Performance issues directly impact user engagement and conversion rates.

CategoryTime Spent
Script Evaluation2.0 s
Other856 ms
Script Parsing & Compilation190 ms
Style & Layout147 ms
Rendering93 ms
Garbage Collection87 ms
Parse HTML & CSS34 ms

Many navigations are performed by going back to a previous page, or forwards again. The back/forward cache (bfcache) can speed up these return navigations. Learn more about the bfcache

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failure reasonFailure type
The page has an unload handler in the main frame.Actionable

Set an explicit width and height on image elements to reduce layout shifts and improve CLS. Learn how to set image dimensions

Why this matters

Performance issues directly impact user engagement and conversion rates.

URL
The University of Texas MD Anderson Cancer Center header.mda-nav > div.mda-nav-top > a#nav-logo > img
/etc.clientlibs/mda/clientlibs/mda-web/clientlib-site/res...
Decorative art pieces hanging from the ceiling div.basic-content-media-wrapper > div.media-image > picture > img
/content/mda/en/patients-family/jcr:content/mainparsys/fu...
UT MD Anderson logo div.footer-links > div.col2 > a > img.desktop
/content/mda/en/jcr:content/footer/xdesktoplogo.resize.pn...
UT MD Anderson logo div.bottom-footer-bar > div.footer-bar-logo > a > img.logo
/content/mda/en/jcr:content/footer/xmobilelogo.resize.png...
MD Anderson ranked #1 in the nation for cancer care a#patients_family_carouselitem_top_cancer_hosp > div.carousel-image > picture > img
/content/mda/en/lookups/carousel-lookup/homepage-highligh...
a#patients_family_carouselitem_annual_report > div.carousel-image > picture > img a#patients_family_carouselitem_annual_report > div.carousel-image > picture > img
/content/mda/en/lookups/carousel-lookup/homepage-highligh...
a#patients_family_carouselitem_rare_leukemia_s > div.carousel-image > picture > img a#patients_family_carouselitem_rare_leukemia_s > div.carousel-image > picture > img
/content/mda/en/lookups/carousel-lookup/homepage-highligh...
a#patients_family_carouselitem_personalized_tr > div.carousel-image > picture > img a#patients_family_carouselitem_personalized_tr > div.carousel-image > picture > img
/content/mda/en/lookups/carousel-lookup/homepage-highligh...
a#patients_family_carouselitem_recognizing_deh > div.carousel-image > picture > img a#patients_family_carouselitem_recognizing_deh > div.carousel-image > picture > img
/content/mda/en/lookups/carousel-lookup/homepage-highligh...
a#patients_family_carouselitem_cold_sensitivit > div.carousel-image > picture > img a#patients_family_carouselitem_cold_sensitivit > div.carousel-image > picture > img
/content/mda/en/lookups/carousel-lookup/homepage-highligh...
a#patients_family_carouselitem_only_possible_h > div.carousel-image > picture > img a#patients_family_carouselitem_only_possible_h > div.carousel-image > picture > img
/content/mda/en/lookups/carousel-lookup/homepage-highligh...
a#patients_family_carouselitem_y_90_for_liver_ > div.carousel-image > picture > img a#patients_family_carouselitem_y_90_for_liver_ > div.carousel-image > picture > img
/content/mda/en/lookups/carousel-lookup/homepage-highligh...
shield div.module > div.badge > div.badge-img-container > img
MD Anderson works with Level Access to ensure our website is accessible and fun… ul#a11y-block > li > a.a11y-icon > img
/etc.clientlibs/mda/clientlibs/mda-web/clientlib-site/res...

More information about the performance of your application. These numbers don't directly affect the Performance score.

Max Potential First Input Delay 110 ms
Layout shift culprits
Optimize DOM size
Optimize viewport for mobile
Minify CSS
Avoid long main-thread tasks 4 long tasks found
Avoid non-composited animations 1 animated element found
Network Requests
Network Round Trip Times 180 ms
Server Backend Latencies 260 ms
Tasks
Diagnostics
Metrics
Screenshot Thumbnails
Final Screenshot
Script Treemap Data
Resources Summary
Initial server response time was short Root document took 150 ms
INP breakdown
User Timing marks and measures
Avoid large layout shifts
89

Accessibility

These checks highlight opportunities to improve the accessibility of your web app. Automatic detection can only detect a subset of issues and does not guarantee the accessibility of your web app, so manual testing is also encouraged.

ARIA

When an input field doesn't have an accessible name, screen readers announce it with a generic name, making it unusable for users who rely on screen readers. Learn more about input field labels.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
header.mda-nav > div.mda-nav-top > div#nav-search > ul#search-results header.mda-nav > div.mda-nav-top > div#nav-search > ul#search-results
div.module > div.search-block > div.search-wrapper > ul.search-results div.module > div.search-block > div.search-wrapper > ul.search-results
div.module > div.search-block > div.search-wrapper > ul.search-results div.module > div.search-block > div.search-wrapper > ul.search-results

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Contrast

Low-contrast text is difficult or impossible for many users to read. Learn how to provide sufficient color contrast.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
div.search-block > div.search-wrapper > form#search-cancer-types > input#search-cancer-types-field div.search-block > div.search-wrapper > form#search-cancer-types > input#search-cancer-types-field
div.search-block > div.search-wrapper > form#search-clinical-trials > input#search-clinical-trials-field div.search-block > div.search-wrapper > form#search-clinical-trials > input#search-clinical-trials-field
Learn more about UT MD Anderson div.rte-container > p > span.cta > a
UT MD Anderson p > span.cta > a > span.nowrap

These are opportunities to improve the legibility of your content.

Navigation

Properly ordered headings that do not skip levels convey the semantic structure of the page, making it easier to navigate and understand when using assistive technologies. Learn more about heading order.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
Donate blood. Save a life. section.bleed-full > div.horizontal-text-bar > div.text-container > h3.title
Art provides healing for patients and caregivers div.media-inner > div.media-body > div.media-body-text > h3

These are opportunities to improve keyboard navigation in your application.

Names and labels

Informative elements should aim for short, descriptive alternate text. Decorative elements can be ignored with an empty alt attribute. Learn more about the `alt` attribute.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
a#patients_family_carouselitem_annual_report > div.carousel-image > picture > img a#patients_family_carouselitem_annual_report > div.carousel-image > picture > img
a#patients_family_carouselitem_rare_leukemia_s > div.carousel-image > picture > img a#patients_family_carouselitem_rare_leukemia_s > div.carousel-image > picture > img
a#patients_family_carouselitem_personalized_tr > div.carousel-image > picture > img a#patients_family_carouselitem_personalized_tr > div.carousel-image > picture > img
a#patients_family_carouselitem_recognizing_deh > div.carousel-image > picture > img a#patients_family_carouselitem_recognizing_deh > div.carousel-image > picture > img
a#patients_family_carouselitem_cold_sensitivit > div.carousel-image > picture > img a#patients_family_carouselitem_cold_sensitivit > div.carousel-image > picture > img
a#patients_family_carouselitem_only_possible_h > div.carousel-image > picture > img a#patients_family_carouselitem_only_possible_h > div.carousel-image > picture > img
a#patients_family_carouselitem_y_90_for_liver_ > div.carousel-image > picture > img a#patients_family_carouselitem_y_90_for_liver_ > div.carousel-image > picture > img

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Visible text labels that do not match the accessible name can result in a confusing experience for screen reader users. Learn more about accessible names.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
How art brings comfort and courage to cancer patients. div.carousel-body-inner > div.carousel-body-content > div.left-aligned-cta > a.cta-block
Top cancer hospital div.slick-list > div.slick-track > div.carousel-item > a#patients_family_carouselitem_top_cancer_hosp
Interactive controls are keyboard focusable
Interactive elements indicate their purpose and state
The page has a logical tab order
Visual order on the page follows DOM order
User focus is not accidentally trapped in a region
The user's focus is directed to new content added to the page
HTML5 landmark elements are used to improve navigation
Offscreen content is hidden from assistive technology
Custom controls have associated labels
Custom controls have ARIA roles
`[aria-*]` attributes match their roles
`[aria-hidden="true"]` is not present on the document `<body>`
`[role]`s have all required `[aria-*]` attributes
Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
`[role]` values are valid
`[aria-*]` attributes have valid values
`[aria-*]` attributes are valid and not misspelled
Buttons have an accessible name
Input buttons have discernible text.
Form elements have associated labels
`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
`button`, `link`, and `menuitem` elements have accessible names
ARIA attributes are used as specified for the element's role
Elements with `role="dialog"` or `role="alertdialog"` have accessible names.
`[aria-hidden="true"]` elements do not contain focusable descendents
Elements use only permitted ARIA attributes
Document has a `<title>` element
`<html>` element has a `[lang]` attribute
`<html>` element has a valid value for its `[lang]` attribute
Links are distinguishable without relying on color.
Links have a discernible name
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
List items (`<li>`) are contained within `<ul>`, `<ol>` or `<menu>` parent elements
No element has a `[tabindex]` value greater than 0
Touch targets have sufficient size and spacing.
Document has a main landmark.
Deprecated ARIA roles were not used
Identical links have the same purpose.
`[accesskey]` values are unique
ARIA `meter` elements have accessible names
ARIA `progressbar` elements have accessible names
`[role]`s are contained by their required parent element
Elements with the `role=text` attribute do not have focusable descendents.
ARIA toggle fields have accessible names
ARIA `tooltip` elements have accessible names
ARIA `treeitem` elements have accessible names
The page contains a heading, skip link, or landmark region
`<dl>`'s contain only properly-ordered `<dt>` and `<dd>` groups, `<script>`, `<template>` or `<div>` elements.
Definition list items are wrapped in `<dl>` elements
ARIA IDs are unique
No form fields have multiple labels
`<frame>` or `<iframe>` elements have a title
`<html>` element has an `[xml:lang]` attribute with the same base language as the `[lang]` attribute.
`<input type="image">` elements have `[alt]` text
The document does not use `<meta http-equiv="refresh">`
`<object>` elements have alternate text
Select elements have associated label elements.
Skip links are focusable.
Cells in a `<table>` element that use the `[headers]` attribute refer to table cells within the same table.
`<th>` elements and elements with `[role="columnheader"/"rowheader"]` have data cells they describe.
`[lang]` attributes have a valid value
`<video>` elements contain a `<track>` element with `[kind="captions"]`
Tables have different content in the summary attribute and `<caption>`.
All heading elements contain content.
Uses ARIA roles only on compatible elements
Image elements do not have `[alt]` attributes that are redundant text.
Tables use `<caption>` instead of cells with the `[colspan]` attribute to indicate a caption.
`<td>` elements in a large `<table>` have one or more table headers.
77

Best Practices

General

Deprecated APIs will eventually be removed from the browser. Learn more about deprecated APIs.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Deprecation / WarningSource
Unload event listeners are deprecated and will be removed.
Authorization will not be covered by the wildcard symbol (*) in CORS Access-Control-Allow-Headers handling.

Errors logged to the console indicate unresolved problems. They can come from network request failures and other browser concerns. Learn more about this errors in console diagnostic audit

Why this matters

Performance issues directly impact user engagement and conversion rates.

SourceDescription
TypeError: Cannot read properties of null (reading 'querySelector') at https://ucm-us.verint-cdn.com/files/sites/mdanderson/live/customcode.js:32:18
Uses HTTPS
Avoids third-party cookies
Allows users to paste into input fields
Avoids requesting the geolocation permission on page load
Avoids requesting the notification permission on page load
Displays images with correct aspect ratio
Serves images with appropriate resolution
Page has the HTML doctype
Properly defines charset
No issues in the `Issues` panel in Chrome Devtools
Ensure CSP is effective against XSS attacks
Use a strong HSTS policy
Ensure proper origin isolation with COOP
Mitigate DOM-based XSS with Trusted Types
Detected JavaScript libraries
Redirects HTTP traffic to HTTPS
Mitigate clickjacking with XFO or CSP
92

SEO

These checks ensure that your page is following basic search engine optimization advice. There are many additional factors Lighthouse does not score here that may affect your search ranking, including performance on Core Web Vitals. Learn more about Google Search Essentials.

Content Best Practices

Informative elements should aim for short, descriptive alternate text. Decorative elements can be ignored with an empty alt attribute. Learn more about the `alt` attribute.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
a#patients_family_carouselitem_annual_report > div.carousel-image > picture > img a#patients_family_carouselitem_annual_report > div.carousel-image > picture > img
a#patients_family_carouselitem_rare_leukemia_s > div.carousel-image > picture > img a#patients_family_carouselitem_rare_leukemia_s > div.carousel-image > picture > img
a#patients_family_carouselitem_personalized_tr > div.carousel-image > picture > img a#patients_family_carouselitem_personalized_tr > div.carousel-image > picture > img
a#patients_family_carouselitem_recognizing_deh > div.carousel-image > picture > img a#patients_family_carouselitem_recognizing_deh > div.carousel-image > picture > img
a#patients_family_carouselitem_cold_sensitivit > div.carousel-image > picture > img a#patients_family_carouselitem_cold_sensitivit > div.carousel-image > picture > img
a#patients_family_carouselitem_only_possible_h > div.carousel-image > picture > img a#patients_family_carouselitem_only_possible_h > div.carousel-image > picture > img
a#patients_family_carouselitem_y_90_for_liver_ > div.carousel-image > picture > img a#patients_family_carouselitem_y_90_for_liver_ > div.carousel-image > picture > img

Format your HTML in a way that enables crawlers to better understand your app’s content.

Structured data is valid
Page isn’t blocked from indexing
Document has a `<title>` element
Document has a meta description
Page has successful HTTP status code
Links have descriptive text
Links are crawlable
robots.txt is valid
Document has a valid `hreflang`
Document has a valid `rel=canonical`

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