C — https://missouri.edu | BeaverCheck Audit

Site Health

Score: 75 / 100

Based on 8 categories, 0 sections

Decent speed, but optimizing further could improve engagement.

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.

Solid infrastructure — fast server responses across the board.

Mostly compliant — a few items need attention.

Missing metadata means poor previews on social media and search.

Reasonable footprint with room for optimization.

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

Drupal · 219 peers

You 75

Avg 73

At average

0 50 100

Better than 59% of Drupal sites See full Drupal benchmark →

AddToAny · 23 peers

You 75

Avg 74

At average

0 50 100

Better than 69% of AddToAny sites See full AddToAny benchmark →

Top Priorities (5)

Content-Security-Policy header is missing

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

Security › Security Headers

No Content-Security-Policy header found

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

Security › Content Security Policy

Page weighs 7.3 MB (5.8 MB transferred)

Performance issues directly impact user engagement and conversion rates.

Performance › Page Weight Budget

1 link(s) with no accessible text

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

Accessibility › Link & Button Quality

No H1 heading found

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

Accessibility › Heading Hierarchy

View fix priority matrix

Fix Priority Matrix

5 findings

Impact

Quick Wins

High impact, low effort — start here.

Strategic

High impact, requires investment.

Easy Improvements

Small gains, minimal effort.

Nothing in this quadrant — good news.

Deprioritize

Low impact, high effort — do last.

Nothing in this quadrant — good news.

← Low effort High effort →

Embed this badge

Markdown

[![BeaverCheck](https://beavercheck.com/badge?url=https%3A%2F%2Fmissouri.edu)](https://beavercheck.com/results/daaeccb1-54c5-415f-b578-82e69456f952)

HTML

<a href="https://beavercheck.com/results/daaeccb1-54c5-415f-b578-82e69456f952"><img src="https://beavercheck.com/badge?url=https%3A%2F%2Fmissouri.edu" alt="BeaverCheck Score"></a>

Image URL

https://beavercheck.com/badge?url=https%3A%2F%2Fmissouri.edu

This badge auto-updates with your latest scan result.

What fixing these means

Your site performs reasonably well, but a few targeted fixes could meaningfully improve results. Your LCP of 16.7s exceeds Google's 2.5s 'Good' threshold and the 1 performance issue below directly contributes to it. 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 16.7s — 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.

Could reach Estimate based on resolving critical issues

Conversion Barriers

2 critical 6 warning

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

Speed (2)

Page takes 16.7s to load

+12% bounce

Users abandon at ~3s — you're 14.2s over the 2.5s threshold

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

Page feels frozen for 604ms

+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)

Layout shifts during page load

+3% bounce

Content movement causes mis-clicks on CTAs and form fields

Fix: Add width/height to images; reserve space for late-loading embeds

Content (2)

No Open Graph tags

+2% bounce

Links shared on LinkedIn / Slack / Facebook show bare URLs — referral clicks drop

Fix: Add og:title, og:description, og:image, og:url to the page head

No structured data

+2% bounce

No rich-result eligibility in Google — lower SERP CTR vs competitors with stars and prices

Fix: Add JSON-LD for your page type (Product, Article, FAQPage, LocalBusiness, …)

Navigation (1)

1 broken link(s) on the page

+2% bounce

Clicks land on 404s — trust drops and the session often ends

Fix: Fix or remove the broken destinations surfaced on the Content tab

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

Return on Investment

€510 investment → €1.35/month returns + EUR 120,500,000 risk avoided

Payback period: > 2 years First-year ROI: -97%

Investment

€510

6h · 5 findings

Monthly returns

€1.35 /mo

~€16 / year

Bandwidth savings €1.35

Regulatory risk avoided

EUR 120,500,000

if kept compliant

ePrivacy Directive EUR 100,000,000
GDPR EUR 20,000,000
EAA EUR 500,000

€85 — 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

€510

6.0 developer hours at €85/hr

Based on European Union rates (€85/hr)

Quick wins

€85 2 fixes in ~60 minutes

Start here for the best return on investment

Cost by category

Cost by effort level

Adjust assumptions

Custom rate

€ /hr

Rates reflect fully-loaded developer cost including overhead

How developer rates are sourced

What Inaction Is Costing You

€10,041,668 / month at risk

~€120,500,016 / year if left unfixed

Compliance Risk

€120,500,000

ePrivacy DirectiveGDPREAA

No privacy policy link detected
GDPR: EUR 10,000 – EUR 20,000,000
1 advertising/retargeting trackers detected
GDPR: EUR 10,000 – EUR 20,000,000
Trackers detected but no cookie policy found
GDPR: EUR 5,000 – EUR 10,000,000

+5 more

Bandwidth Waste

€1.35 /mo

18173.8 MB/mo × 0.074 EUR/GB

Optimize transfer: save ~1.8 MB per page load
Saves €1.35/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

Monthly visitors

Unique monthly visitors from your analytics

Conversion rate (%)

Purchases, signups, or key actions

Avg. order value

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.

Performance

Accessibility

Best Practices

SEO

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.

7.02 s

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

16.73 s

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

604 ms

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

0.117

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

7.17 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.

16.78 s

Detailed Report

Audit breakdown by category with detailed findings.

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.

Request	Cache TTL	Transfer Size
missouri.edu/sites/default/files/2025-09/why-choose-mizzou.jpg	86400.0 s	984.6 KiB
missouri.edu/sites/default/files/2025-10/Academics2_1920x1080.jpg	86400.0 s	902.4 KiB
/sites/default/files/2025-07/468fd4aec367a956c9caa6cac6fb...	86400.0 s	745.4 KiB
missouri.edu/sites/default/files/2025-09/alumni-day-in-life.jpg	86400.0 s	550.0 KiB
/themes/contrib/miz_d8_theme_base/fonts/open-sans/open-sa...	86401.0 s	517.8 KiB
missouri.edu/sites/default/files/2025-09/move-dorm.jpg	86400.0 s	507.5 KiB
missouri.edu/sites/default/files/2025-09/AnthemCoverPhoto-800x800.jpg	86400.0 s	473.9 KiB
/sites/default/files/styles/homepage_hero_mobile/public/2...	86400.0 s	96.5 KiB
i.ytimg.com/vi_webp/EomciOHYyHI/maxresdefault.webp	7200.0 s	44.9 KiB
i.ytimg.com/vi_webp/SQ-vZLiSn9A/maxresdefault.webp	7200.0 s	34.1 KiB
i.ytimg.com/vi_webp/Udpgp3r3Kkg/maxresdefault.webp	7200.0 s	33.1 KiB
i.ytimg.com/vi_webp/uRNbNs3dWSg/maxresdefault.webp	7200.0 s	31.1 KiB
/themes/contrib/miz_d8_theme_base/fonts/martina-plantijn/...	86401.0 s	47.5 KiB
missouri.edu/core/assets/vendor/jquery/jquery.min.js?v=4.0.0	86401.0 s	31.6 KiB
missouri.edu/themes/contrib/miz_d8_theme_base/fonts/manuka/manuka-bold.woff2	86401.0 s	31.3 KiB
i.ytimg.com/vi_webp/3wF6CqwVsbY/maxresdefault.webp	7200.0 s	15.3 KiB
scripts.clarity.ms/0.8.60-beta/clarity.js	86400.0 s	25.0 KiB
tags.srv.stackadapt.com/events.js	5.0 s	7.7 KiB
snap.licdn.com/li.lms-analytics/insight.min.js	86400.0 s	18.7 KiB
/modules/contrib/miz_components/assets/images/brand/patte...	86401.0 s	11.6 KiB
missouri.edu/themes/contrib/miz_d8_theme_base/css/miz-slim.css?tdnnrx	86401.0 s	5.6 KiB
/themes/miz_missouri_edu_subtheme/images/MU_MizzouSig_rgb...	86401.0 s	3.3 KiB
/sites/default/files/css/css_IImKC5GPwxKKMIFQt3qLykq6uhM6...	1209600.0 s	9.8 KiB
/sites/default/files/js/js_VBjOLSWhC8LQfHYLwsJASAw0EgreKO...	1209600.0 s	9.8 KiB
static.addtoany.com/menu/page.js	86400.0 s	2.2 KiB
/sites/default/files/js/js_ZD5FJfCj1LiFYKrY8Ypvhdelk3NP6Y...	1209600.0 s	4.7 KiB
/config/edu/ab685265-39ef-4d0c-a71f-d442210a5ffe.js?v=3.5...	0.0 ms	470 B
/collect?v=2&fmt=js&pid=1616578&time=1776805483058&li_ads...	0.0 ms	452 B
/sites/default/files/css/css_2NsOD_5xT2C7GLP-pI86mwqxc0Ne...	1209600.0 s	4.3 KiB
/themes/miz_missouri_edu_subtheme/components/components/m...	86401.0 s	985 B
missouri.edu/modules/contrib/google_tag/js/gtag.js?tdnnrx	86401.0 s	868 B
missouri.edu/modules/contrib/google_tag/js/gtm.js?tdnnrx	86401.0 s	792 B
/themes/miz_missouri_edu_subtheme/components/components/m...	86401.0 s	708 B
/sites/default/files/css/css_23HH5PycdBVZ8veS9iSKMl3WeVuv...	1209600.0 s	2.6 KiB
missouri.edu/themes/contrib/miz_d8_theme_base/css/miz-fonts.css?tdnnrx	86401.0 s	516 B
/sites/default/files/js/js_zSYMFT4_Lys5YyOcuWyE_GP3TPQc38...	1209600.0 s	1013 B
/sites/default/files/js/js_bsqrMTIj6Ie_9J46qUNYCRWV3HfMPT...	1209600.0 s	487 B
/sites/default/files/css/css_5cEmsVzJybnGCmsHLIKOY0CElTjb...	1209600.0 s	279 B

Layout shifts occur when elements move absent any user interaction. Investigate the causes of layout shifts, such as elements being added, removed, or their fonts changing as the page loads.

Why this matters

Performance issues directly impact user engagement and conversion rates.

headings: [map[key:node label:Element subItemsHeading:map[key:extra] valueType:node] map[granularity:0.001 key:score label:Layout shift score subItemsHeading:map[key:cause valueType:text] valueType:numeric]]

items: [map[node:map[type:text value:Total] score:0.117136] map[node:map[boundingRect:map[bottom:1817 height:871 left:16 right:396 top:946 width:380] lhId:page-7-DIV nodeLabel:We Know You’ve Got What It Takes Ready to chase your curiosity? At the Univers… path:1,HTML,1,BODY,3,DIV,0,DIV,2,MAIN,0,DIV,1,ARTICLE,0,DIV,2,DIV,0,DIV,1,DIV,0,DIV,0,DIV selector:div.miz-layout__body > div.miz-layout__body-item > div > div.miz-card snippet:<div data-component-id="miz_components:card" class="miz-card miz-card--light miz-card--special"> type:node] score:0.117136]]

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.

URL	Est Savings
/themes/contrib/miz_d8_theme_base/fonts/open-sans/open-sa...	30 ms
missouri.edu/themes/contrib/miz_d8_theme_base/fonts/manuka/manuka-bold.woff2	5.0 ms

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.

	URL	Resource Size	Est Savings
A Mizzou tour guide asking a female student Why did you choose Mizzou `div > article > div > img.miz-image`	missouri.edu/sites/default/files/2025-09/why-choose-mizzou.jpg	983.7 KiB	950.6 KiB
A Mizzou student looking at various water samples and writing notes in a notebo… `div > article > div > img.miz-image`	missouri.edu/sites/default/files/2025-10/Academics2_1920x1080.jpg	901.7 KiB	886.1 KiB
Springtime on the quad with students biking and walking `article > div > div > img.miz-image`	/sites/default/files/2025-07/468fd4aec367a956c9caa6cac6fb...	744.7 KiB	726.3 KiB
Laptop screen from a young Mizzou alumni working at the Super Bowl `div > article > div > img.miz-image`	missouri.edu/sites/default/files/2025-09/alumni-day-in-life.jpg	549.4 KiB	516.3 KiB
Move in with freshman Sophia Askinosie `div > article > div > img.miz-image`	missouri.edu/sites/default/files/2025-09/move-dorm.jpg	506.9 KiB	473.9 KiB
Student sitting at the base of the columns on the Mizzou Quad `div > article > div > img.miz-image`	missouri.edu/sites/default/files/2025-09/AnthemCoverPhoto-800x800.jpg	473.3 KiB	452.7 KiB
Jesse Hall `div > div > picture > img.miz-image`	/sites/default/files/styles/homepage_hero_mobile/public/2...	96.2 KiB	68.8 KiB

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-6-IMG

nodeLabel: Jesse Hall

path: 1,HTML,1,BODY,3,DIV,0,DIV,2,MAIN,0,DIV,1,ARTICLE,0,DIV,1,DIV,0,DIV,0,DIV,0,SECTION,1,DIV,0,ARTICLE,0,DIV,1,DIV,0,PICTURE,3,IMG

selector: div > div > picture > img.miz-image

snippet: <img loading="lazy" width="375" src="/sites/default/files/styles/homepage_hero_mobile/public/2025-10/HomepageHe…" alt="Jesse Hall" class="miz-image">

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.

URL	Transfer Size	Duration
/sites/default/files/css/css_23HH5PycdBVZ8veS9iSKMl3WeVuv...	2.6 KiB
missouri.edu/themes/contrib/miz_d8_theme_base/css/miz-fonts.css?tdnnrx	516 B
missouri.edu/themes/contrib/miz_d8_theme_base/css/miz-slim.css?tdnnrx	5.6 KiB
missouri.edu/modules/contrib/google_tag/js/gtm.js?tdnnrx	792 B
missouri.edu/modules/contrib/google_tag/js/gtag.js?tdnnrx	868 B
/sites/default/files/css/css_IImKC5GPwxKKMIFQt3qLykq6uhM6...	9.8 KiB	302 ms
/sites/default/files/css/css_2NsOD_5xT2C7GLP-pI86mwqxc0Ne...	4.3 KiB
/sites/default/files/js/js_bsqrMTIj6Ie_9J46qUNYCRWV3HfMPT...	487 B

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.

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

These are the largest layout shifts observed on the page. Each table item represents a single layout shift, and shows the element that shifted the most. Below each item are possible root causes that led to the layout shift. Some of these layout shifts may not be included in the CLS metric value due to windowing. Learn how to improve CLS

Why this matters

Performance issues directly impact user engagement and conversion rates.

Element	Layout shift score
We Know You’ve Got What It Takes Ready to chase your curiosity? At the Univers… `div.miz-layout__body > div.miz-layout__body-item > div > div.miz-card`	0.117

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

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

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

Estimated savings: 2.3 s 284.4 KiB

URL	Transfer Size	Est Savings
www.googletagmanager.com/gtag/js?id=G-1R84ZFX37M&cx=c&gtm=4e64h1	176.4 KiB	71.5 KiB
www.googletagmanager.com/gtag/js?id=G-X5WTGNM3XF&cx=c&gtm=4e64h1	156.5 KiB	65.9 KiB
www.googletagmanager.com/gtm.js?id=GTM-5XMXM62J	117.0 KiB	64.4 KiB
www.googletagmanager.com/gtm.js?id=GTM-PB763WT	131.3 KiB	61.6 KiB
static.addtoany.com/menu/modules/core.ydpp7jcu.js	25.7 KiB	21.0 KiB

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.

URL	Total CPU Time	Script Evaluation	Script Parse
missouri.edu/	564 ms	8.2 ms	1.1 ms
Unattributable	504 ms	25 ms	0.0 ms
www.googletagmanager.com/gtag/js?id=G-1R84ZFX37M&cx=c&gtm=4e64h1	363 ms	284 ms	76 ms
www.googletagmanager.com/gtag/js?id=G-X5WTGNM3XF&cx=c&gtm=4e64h1	341 ms	274 ms	64 ms
scripts.clarity.ms/0.8.60-beta/clarity.js	274 ms	227 ms	8.9 ms
www.googletagmanager.com/gtm.js?id=GTM-PB763WT	263 ms	198 ms	50 ms
www.googletagmanager.com/gtm.js?id=GTM-5XMXM62J	145 ms	103 ms	41 ms
sc-static.net/scevent.min.js	128 ms	110 ms	7.8 ms
tags.srv.stackadapt.com/events.js	86 ms	29 ms	3.3 ms
snap.licdn.com/li.lms-analytics/insight.min.js	81 ms	67 ms	7.2 ms
missouri.edu/core/assets/vendor/jquery/jquery.min.js?v=4.0.0	73 ms	35 ms	9.9 ms
/sites/default/files/js/js_ZD5FJfCj1LiFYKrY8Ypvhdelk3NP6Y...	62 ms	52 ms	1.9 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.

Category	Time Spent
Script Evaluation	1.6 s
Other	574 ms
Style & Layout	402 ms
Script Parsing & Compilation	280 ms
Parse HTML & CSS	193 ms
Garbage Collection	51 ms
Rendering	50 ms

Large network payloads cost users real money and are highly correlated with long load times. Learn how to reduce payload sizes.

Why this matters

Performance issues directly impact user engagement and conversion rates.

URL	Transfer Size
missouri.edu/sites/default/files/2025-09/why-choose-mizzou.jpg	984.6 KiB
missouri.edu/sites/default/files/2025-10/Academics2_1920x1080.jpg	902.4 KiB
/sites/default/files/2025-07/468fd4aec367a956c9caa6cac6fb...	745.4 KiB
missouri.edu/sites/default/files/2025-09/alumni-day-in-life.jpg	550.0 KiB
/themes/contrib/miz_d8_theme_base/fonts/open-sans/open-sa...	517.8 KiB
missouri.edu/sites/default/files/2025-09/move-dorm.jpg	507.5 KiB
missouri.edu/sites/default/files/2025-09/AnthemCoverPhoto-800x800.jpg	473.9 KiB
www.googletagmanager.com/gtag/js?id=G-1R84ZFX37M&cx=c&gtm=4e64h1	176.4 KiB
www.googletagmanager.com/gtag/js?id=G-X5WTGNM3XF&cx=c&gtm=4e64h1	156.6 KiB
www.googletagmanager.com/gtm.js?id=GTM-PB763WT	131.6 KiB

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
Springtime on the quad with students biking and walking `article > div > div > img.miz-image`	/sites/default/files/2025-07/468fd4aec367a956c9caa6cac6fb...
A Mizzou student looking at various water samples and writing notes in a notebo… `div > article > div > img.miz-image`	missouri.edu/sites/default/files/2025-10/Academics2_1920x1080.jpg
A Mizzou tour guide asking a female student Why did you choose Mizzou `div > article > div > img.miz-image`	missouri.edu/sites/default/files/2025-09/why-choose-mizzou.jpg
Move in with freshman Sophia Askinosie `div > article > div > img.miz-image`	missouri.edu/sites/default/files/2025-09/move-dorm.jpg
Laptop screen from a young Mizzou alumni working at the Super Bowl `div > article > div > img.miz-image`	missouri.edu/sites/default/files/2025-09/alumni-day-in-life.jpg
Student sitting at the base of the columns on the Mizzou Quad `div > article > div > img.miz-image`	missouri.edu/sites/default/files/2025-09/AnthemCoverPhoto-800x800.jpg
Mizzou Signature Logo `footer.mizzou-footer > div.mizzou-footer-sig > a > img`	/themes/miz_missouri_edu_subtheme/images/MU_MizzouSig_rgb...
Memorial Stadium at night `div > article > div > img.miz-image`
Mizzou students standing in front of a stock ticker `div > article > div > img.miz-image`

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

●Optimize DOM size

●Forced reflow

●LCP breakdown

●Modern HTTP

●Optimize viewport for mobile

●Minify CSS

●Minify JavaScript

●Reduce unused CSS

●User Timing marks and measures 11 user timings

●Avoid long main-thread tasks 11 long tasks found

●Page didn't prevent back/forward cache restoration

●Network Requests

●Network Round Trip Times 120 ms

●Server Backend Latencies 160 ms

●Tasks

●Diagnostics

●Metrics

●Screenshot Thumbnails

●Final Screenshot

●Script Treemap Data

●Resources Summary

●Avoid multiple page redirects

●Initial server response time was short Root document took 0 ms

○INP breakdown

○Avoid non-composited animations

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.

Tables and lists

When definition lists are not properly marked up, screen readers may produce confusing or inaccurate output. Learn how to structure definition lists correctly.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
Address City, State, Zip Code City Columbia State MO Zip Code 65211 Telephone n… `div.miz-card > div.miz-card__body > div.miz-link-container > dl.miz-contact-point`

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Names and labels

Link text (and alternate text for images, when used as links) that is discernible, unique, and focusable improves the navigation experience for screen reader users. Learn how to make links accessible.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
div.mizzou-header-content > div.mizzou-header__masthead > p.miz-masthead__title > a.miz-masthead__title-link `div.mizzou-header-content > div.mizzou-header__masthead > p.miz-masthead__title > a.miz-masthead__title-link`
div.miz-social-media > ul.miz-social-media-list > li.miz-social-media-list__item > a.miz-social-media-list__link `div.miz-social-media > ul.miz-social-media-list > li.miz-social-media-list__item > a.miz-social-media-list__link`
div.miz-social-media > ul.miz-social-media-list > li.miz-social-media-list__item > a.miz-social-media-list__link `div.miz-social-media > ul.miz-social-media-list > li.miz-social-media-list__item > a.miz-social-media-list__link`
div.miz-social-media > ul.miz-social-media-list > li.miz-social-media-list__item > a.miz-social-media-list__link `div.miz-social-media > ul.miz-social-media-list > li.miz-social-media-list__item > a.miz-social-media-list__link`

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
div.miz-card__body > ul.miz-link-list > li.miz-link-list__item > a `div.miz-card__body > ul.miz-link-list > li.miz-link-list__item > a`
div.miz-card__body > ul.miz-link-list > li.miz-link-list__item > a `div.miz-card__body > ul.miz-link-list > li.miz-link-list__item > a`
div.miz-card__body > ul.miz-link-list > li.miz-link-list__item > a `div.miz-card__body > ul.miz-link-list > li.miz-link-list__item > a`
div.miz-card__body > ul.miz-link-list > li.miz-link-list__item > a `div.miz-card__body > ul.miz-link-list > li.miz-link-list__item > a`
div.miz-card__body > ul.miz-link-list > li.miz-link-list__item > a `div.miz-card__body > ul.miz-link-list > li.miz-link-list__item > a`
div.miz-card__body > ul.miz-link-list > li.miz-link-list__item > a `div.miz-card__body > ul.miz-link-list > li.miz-link-list__item > a`
div.miz-card__body > ul.miz-link-list > li.miz-link-list__item > a `div.miz-card__body > ul.miz-link-list > li.miz-link-list__item > a`
div.miz-card__body > ul.miz-link-list > li.miz-link-list__item > a `div.miz-card__body > ul.miz-link-list > li.miz-link-list__item > a`
div.miz-card__body > ul.miz-link-list > li.miz-link-list__item > a `div.miz-card__body > ul.miz-link-list > li.miz-link-list__item > a`
div.miz-card__body > ul.miz-link-list > li.miz-link-list__item > a `div.miz-card__body > ul.miz-link-list > li.miz-link-list__item > a`
div.miz-card__body > ul.miz-link-list > li.miz-link-list__item > a `div.miz-card__body > ul.miz-link-list > li.miz-link-list__item > a`
div.miz-card__body > ul.miz-link-list > li.miz-link-list__item > a `div.miz-card__body > ul.miz-link-list > li.miz-link-list__item > a`
div.miz-card__body > ul.miz-link-list > li.miz-link-list__item > a `div.miz-card__body > ul.miz-link-list > li.miz-link-list__item > a`

These items highlight common accessibility best practices.

○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

●`[role]` values are valid

●`[aria-*]` attributes have valid values

●`[aria-*]` attributes are valid and not misspelled

●Buttons have an accessible name

●Image elements have `[alt]` attributes

●`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.

●ARIA attributes are used as specified for the element's role

●`[aria-hidden="true"]` elements do not contain focusable descendents

●Elements use only permitted ARIA attributes

●Background and foreground colors have a sufficient contrast ratio

●Definition list items are wrapped in `<dl>` elements

●Document has a `<title>` element

●`<html>` element has a `[lang]` attribute

●`<html>` element has a valid value for its `[lang]` attribute

●Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).

●List items (`<li>`) are contained within `<ul>`, `<ol>` or `<menu>` parent elements

●Heading elements appear in a sequentially-descending order

●Document has a main landmark.

●Deprecated ARIA roles were not used

●Identical links have the same purpose.

○`[accesskey]` values are unique

○`button`, `link`, and `menuitem` elements have accessible names

○Elements with `role="dialog"` or `role="alertdialog"` have accessible names.

○ARIA input fields have accessible names

○ARIA `meter` elements have accessible names

○ARIA `progressbar` elements have accessible names

○Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.

○`[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

○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 buttons have discernible text.

○`<input type="image">` elements have `[alt]` text

○Form elements have associated labels

○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.

○No element has a `[tabindex]` value greater than 0

○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.

○Elements with visible text labels have matching accessible names.

○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.

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 / Warning	Source
AttributionReporting	snap.licdn.com/li.lms-analytics/insight.min.js

●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 browser errors logged to the console

●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

●Page has valid source maps

○Redirects HTTP traffic to HTTPS

○Mitigate clickjacking with XFO or CSP

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

Meta descriptions may be included in search results to concisely summarize page content. Learn more about the meta description.

Why this matters

Performance issues directly impact user engagement and conversion rates.

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

●Page has successful HTTP status code

●Links have descriptive text

●Links are crawlable

●robots.txt is valid

●Image elements have `[alt]` attributes

●Document has a valid `hreflang`

●Document has a valid `rel=canonical`

Lighthouse Scores

Industry-standard audits powered by Google Lighthouse. — Desktop

Performance

Accessibility

Best Practices

SEO

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.

349 ms

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

4.71 s

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

42 ms

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

0.073

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

681 ms

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

4.86 s

Detailed Report

Audit breakdown by category with detailed findings.

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.

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 ▾

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.

Request	Cache TTL	Transfer Size
missouri.edu/sites/default/files/2025-10/HomepageHero-4-Edit3_1920x675_0.jpg	86400.0 s	1.8 MiB
missouri.edu/sites/default/files/2025-09/why-choose-mizzou.jpg	86400.0 s	984.6 KiB
missouri.edu/sites/default/files/2025-10/Academics2_1920x1080.jpg	86400.0 s	902.5 KiB
/sites/default/files/2025-07/468fd4aec367a956c9caa6cac6fb...	86400.0 s	745.3 KiB
missouri.edu/sites/default/files/2025-09/alumni-day-in-life.jpg	86400.0 s	550.1 KiB
/themes/contrib/miz_d8_theme_base/fonts/open-sans/open-sa...	86401.0 s	517.9 KiB
missouri.edu/sites/default/files/2025-09/move-dorm.jpg	86400.0 s	507.5 KiB
missouri.edu/sites/default/files/2025-09/AnthemCoverPhoto-800x800.jpg	86400.0 s	473.8 KiB
/themes/contrib/miz_d8_theme_base/fonts/martina-plantijn/...	86401.0 s	47.6 KiB
i.ytimg.com/vi_webp/EomciOHYyHI/sddefault.webp	7200.0 s	25.2 KiB
i.ytimg.com/vi_webp/SQ-vZLiSn9A/sddefault.webp	7200.0 s	21.6 KiB
i.ytimg.com/vi_webp/uRNbNs3dWSg/sddefault.webp	7200.0 s	18.4 KiB
i.ytimg.com/vi_webp/Udpgp3r3Kkg/sddefault.webp	7200.0 s	16.9 KiB
missouri.edu/core/assets/vendor/jquery/jquery.min.js?v=4.0.0	86401.0 s	31.6 KiB
missouri.edu/themes/contrib/miz_d8_theme_base/fonts/manuka/manuka-bold.woff2	86401.0 s	31.3 KiB
scripts.clarity.ms/0.8.60-beta/clarity.js	86400.0 s	25.0 KiB
tags.srv.stackadapt.com/events.js	5.0 s	7.7 KiB
snap.licdn.com/li.lms-analytics/insight.min.js	86400.0 s	18.7 KiB
i.ytimg.com/vi_webp/3wF6CqwVsbY/sddefault.webp	7200.0 s	7.6 KiB
/modules/contrib/miz_components/assets/images/brand/patte...	86401.0 s	11.4 KiB
missouri.edu/themes/contrib/miz_d8_theme_base/css/miz-slim.css?tdnnrx	86401.0 s	5.4 KiB
/themes/miz_missouri_edu_subtheme/images/MU_MizzouSig_rgb...	86401.0 s	3.4 KiB
/sites/default/files/css/css_IImKC5GPwxKKMIFQt3qLykq6uhM6...	1209600.0 s	9.9 KiB
/sites/default/files/js/js_VBjOLSWhC8LQfHYLwsJASAw0EgreKO...	1209600.0 s	9.7 KiB
static.addtoany.com/menu/page.js	86400.0 s	2.2 KiB
/sites/default/files/js/js_ZD5FJfCj1LiFYKrY8Ypvhdelk3NP6Y...	1209600.0 s	4.9 KiB
/config/edu/ab685265-39ef-4d0c-a71f-d442210a5ffe.js?v=3.5...	0.0 ms	470 B
/collect?v=2&fmt=js&pid=1616578&time=1776805499960&li_ads...	0.0 ms	449 B
/sites/default/files/css/css_2NsOD_5xT2C7GLP-pI86mwqxc0Ne...	1209600.0 s	4.1 KiB
/themes/miz_missouri_edu_subtheme/components/components/m...	86401.0 s	1.0 KiB
missouri.edu/modules/contrib/google_tag/js/gtm.js?tdnnrx	86401.0 s	926 B
missouri.edu/modules/contrib/google_tag/js/gtag.js?tdnnrx	86401.0 s	750 B
/sites/default/files/css/css_23HH5PycdBVZ8veS9iSKMl3WeVuv...	1209600.0 s	2.6 KiB
/themes/miz_missouri_edu_subtheme/components/components/m...	86401.0 s	598 B
missouri.edu/themes/contrib/miz_d8_theme_base/css/miz-fonts.css?tdnnrx	86401.0 s	488 B
/sites/default/files/js/js_zSYMFT4_Lys5YyOcuWyE_GP3TPQc38...	1209600.0 s	1.0 KiB
/sites/default/files/js/js_bsqrMTIj6Ie_9J46qUNYCRWV3HfMPT...	1209600.0 s	482 B
/sites/default/files/css/css_5cEmsVzJybnGCmsHLIKOY0CElTjb...	1209600.0 s	458 B

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.

URL	Est Savings
/themes/contrib/miz_d8_theme_base/fonts/open-sans/open-sa...	55 ms
missouri.edu/themes/contrib/miz_d8_theme_base/fonts/manuka/manuka-bold.woff2	25 ms
/themes/contrib/miz_d8_theme_base/fonts/martina-plantijn/...	25 ms

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:Source valueType:source-location] map[granularity:1 key:reflowTime label:Total reflow time valueType:ms]]

items: [map[reflowTime:40.982 source:map[type:text value:[unattributed]]]]

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.

	URL	Resource Size	Est Savings
Jesse Hall `div > div > picture > img.miz-image`	missouri.edu/sites/default/files/2025-10/HomepageHero-4-Edit3_1920x675_0.jpg	1.8 MiB	1.7 MiB
A Mizzou tour guide asking a female student Why did you choose Mizzou `div > article > div > img.miz-image`	missouri.edu/sites/default/files/2025-09/why-choose-mizzou.jpg	983.7 KiB	953.2 KiB
A Mizzou student looking at various water samples and writing notes in a notebo… `div > article > div > img.miz-image`	missouri.edu/sites/default/files/2025-10/Academics2_1920x1080.jpg	901.7 KiB	734.8 KiB
Springtime on the quad with students biking and walking `article > div > div > img.miz-image`	/sites/default/files/2025-07/468fd4aec367a956c9caa6cac6fb...	744.7 KiB	546.9 KiB
Laptop screen from a young Mizzou alumni working at the Super Bowl `div > article > div > img.miz-image`	missouri.edu/sites/default/files/2025-09/alumni-day-in-life.jpg	549.4 KiB	519.0 KiB
Move in with freshman Sophia Askinosie `div > article > div > img.miz-image`	missouri.edu/sites/default/files/2025-09/move-dorm.jpg	506.9 KiB	476.5 KiB
Student sitting at the base of the columns on the Mizzou Quad `div > article > div > img.miz-image`	missouri.edu/sites/default/files/2025-09/AnthemCoverPhoto-800x800.jpg	473.3 KiB	426.1 KiB

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-IMG

nodeLabel: Jesse Hall

path: 1,HTML,1,BODY,3,DIV,0,DIV,2,MAIN,0,DIV,1,ARTICLE,0,DIV,1,DIV,0,DIV,0,DIV,0,SECTION,1,DIV,0,ARTICLE,0,DIV,1,DIV,0,PICTURE,3,IMG

selector: div > div > picture > img.miz-image

snippet: <img loading="lazy" width="375" src="https://missouri.edu/sites/default/files/2025-10/HomepageHero-4-Edit3_1920…" alt="Jesse Hall" class="miz-image">

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.

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

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.

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.

URL	Transfer Size
/sites/default/files/css/css_23HH5PycdBVZ8veS9iSKMl3WeVuv...	2.6 KiB
/sites/default/files/css/css_IImKC5GPwxKKMIFQt3qLykq6uhM6...	9.9 KiB
missouri.edu/modules/contrib/google_tag/js/gtag.js?tdnnrx	750 B
/sites/default/files/js/js_bsqrMTIj6Ie_9J46qUNYCRWV3HfMPT...	482 B
missouri.edu/modules/contrib/google_tag/js/gtm.js?tdnnrx	926 B
/sites/default/files/css/css_2NsOD_5xT2C7GLP-pI86mwqxc0Ne...	4.1 KiB
missouri.edu/themes/contrib/miz_d8_theme_base/css/miz-fonts.css?tdnnrx	488 B
missouri.edu/themes/contrib/miz_d8_theme_base/css/miz-slim.css?tdnnrx	5.4 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

Diagnostics

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 ▾

Source: Google web.dev / Lighthouse

Estimated savings: 40 ms 284.0 KiB

URL	Transfer Size	Est Savings
www.googletagmanager.com/gtag/js?id=G-1R84ZFX37M&cx=c&gtm=4e64h1h1	176.4 KiB	71.5 KiB
www.googletagmanager.com/gtag/js?id=G-X5WTGNM3XF&cx=c&gtm=4e64h1	156.5 KiB	65.5 KiB
www.googletagmanager.com/gtm.js?id=GTM-5XMXM62J	117.0 KiB	64.3 KiB
www.googletagmanager.com/gtm.js?id=GTM-PB763WT	131.3 KiB	61.6 KiB
static.addtoany.com/menu/modules/core.ydpp7jcu.js	25.7 KiB	21.0 KiB

Large network payloads cost users real money and are highly correlated with long load times. Learn how to reduce payload sizes.

Why this matters

Performance issues directly impact user engagement and conversion rates.

URL	Transfer Size
missouri.edu/sites/default/files/2025-10/HomepageHero-4-Edit3_1920x675_0.jpg	1.8 MiB
missouri.edu/sites/default/files/2025-09/why-choose-mizzou.jpg	984.6 KiB
missouri.edu/sites/default/files/2025-10/Academics2_1920x1080.jpg	902.5 KiB
/sites/default/files/2025-07/468fd4aec367a956c9caa6cac6fb...	745.3 KiB
missouri.edu/sites/default/files/2025-09/alumni-day-in-life.jpg	550.1 KiB
/themes/contrib/miz_d8_theme_base/fonts/open-sans/open-sa...	517.9 KiB
missouri.edu/sites/default/files/2025-09/move-dorm.jpg	507.5 KiB
missouri.edu/sites/default/files/2025-09/AnthemCoverPhoto-800x800.jpg	473.8 KiB
www.googletagmanager.com/gtag/js?id=G-1R84ZFX37M&cx=c&gtm=4e64h1h1	176.4 KiB
www.googletagmanager.com/gtag/js?id=G-X5WTGNM3XF&cx=c&gtm=4e64h1	156.6 KiB

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
Springtime on the quad with students biking and walking `article > div > div > img.miz-image`	/sites/default/files/2025-07/468fd4aec367a956c9caa6cac6fb...
A Mizzou student looking at various water samples and writing notes in a notebo… `div > article > div > img.miz-image`	missouri.edu/sites/default/files/2025-10/Academics2_1920x1080.jpg
A Mizzou tour guide asking a female student Why did you choose Mizzou `div > article > div > img.miz-image`	missouri.edu/sites/default/files/2025-09/why-choose-mizzou.jpg
Move in with freshman Sophia Askinosie `div > article > div > img.miz-image`	missouri.edu/sites/default/files/2025-09/move-dorm.jpg
Laptop screen from a young Mizzou alumni working at the Super Bowl `div > article > div > img.miz-image`	missouri.edu/sites/default/files/2025-09/alumni-day-in-life.jpg
Student sitting at the base of the columns on the Mizzou Quad `div > article > div > img.miz-image`	missouri.edu/sites/default/files/2025-09/AnthemCoverPhoto-800x800.jpg
Mizzou Signature Logo `footer.mizzou-footer > div.mizzou-footer-sig > a > img`	/themes/miz_missouri_edu_subtheme/images/MU_MizzouSig_rgb...
Memorial Stadium at night `div > article > div > img.miz-image`
Mizzou students standing in front of a stock ticker `div > article > div > img.miz-image`

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

●Max Potential First Input Delay 80 ms

●Layout shift culprits

●Optimize DOM size

●LCP breakdown

●Modern HTTP

●Optimize viewport for mobile

●Minify CSS

●Minify JavaScript

●Reduce unused CSS

●User Timing marks and measures 11 user timings

●JavaScript execution time 0.3 s

●Minimizes main-thread work 0.9 s

●Avoid long main-thread tasks 2 long tasks found

●Page didn't prevent back/forward cache restoration

●Network Requests

●Network Round Trip Times 120 ms

●Server Backend Latencies 170 ms

●Tasks

●Diagnostics

●Metrics

●Screenshot Thumbnails

●Final Screenshot

●Script Treemap Data

●Resources Summary

●Avoid multiple page redirects

●Initial server response time was short Root document took 10 ms

●Avoid large layout shifts 2 layout shifts found

○INP breakdown

○Avoid non-composited animations

Accessibility

Tables and lists

When definition lists are not properly marked up, screen readers may produce confusing or inaccurate output. Learn how to structure definition lists correctly.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
Address City, State, Zip Code City Columbia State MO Zip Code 65211 Telephone n… `div.miz-card > div.miz-card__body > div.miz-link-container > dl.miz-contact-point`

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Names and labels

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
div.mizzou-header-content > div.mizzou-header__masthead > p.miz-masthead__title > a.miz-masthead__title-link `div.mizzou-header-content > div.mizzou-header__masthead > p.miz-masthead__title > a.miz-masthead__title-link`
div.miz-social-media > ul.miz-social-media-list > li.miz-social-media-list__item > a.miz-social-media-list__link `div.miz-social-media > ul.miz-social-media-list > li.miz-social-media-list__item > a.miz-social-media-list__link`
div.miz-social-media > ul.miz-social-media-list > li.miz-social-media-list__item > a.miz-social-media-list__link `div.miz-social-media > ul.miz-social-media-list > li.miz-social-media-list__item > a.miz-social-media-list__link`
div.miz-social-media > ul.miz-social-media-list > li.miz-social-media-list__item > a.miz-social-media-list__link `div.miz-social-media > ul.miz-social-media-list > li.miz-social-media-list__item > a.miz-social-media-list__link`

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
div.miz-card__body > ul.miz-link-list > li.miz-link-list__item > a `div.miz-card__body > ul.miz-link-list > li.miz-link-list__item > a`
div.miz-card__body > ul.miz-link-list > li.miz-link-list__item > a `div.miz-card__body > ul.miz-link-list > li.miz-link-list__item > a`
div.miz-card__body > ul.miz-link-list > li.miz-link-list__item > a `div.miz-card__body > ul.miz-link-list > li.miz-link-list__item > a`
div.miz-card__body > ul.miz-link-list > li.miz-link-list__item > a `div.miz-card__body > ul.miz-link-list > li.miz-link-list__item > a`
div.miz-card__body > ul.miz-link-list > li.miz-link-list__item > a `div.miz-card__body > ul.miz-link-list > li.miz-link-list__item > a`
div.miz-card__body > ul.miz-link-list > li.miz-link-list__item > a `div.miz-card__body > ul.miz-link-list > li.miz-link-list__item > a`
div.miz-card__body > ul.miz-link-list > li.miz-link-list__item > a `div.miz-card__body > ul.miz-link-list > li.miz-link-list__item > a`
div.miz-card__body > ul.miz-link-list > li.miz-link-list__item > a `div.miz-card__body > ul.miz-link-list > li.miz-link-list__item > a`
div.miz-card__body > ul.miz-link-list > li.miz-link-list__item > a `div.miz-card__body > ul.miz-link-list > li.miz-link-list__item > a`
div.miz-card__body > ul.miz-link-list > li.miz-link-list__item > a `div.miz-card__body > ul.miz-link-list > li.miz-link-list__item > a`
div.miz-card__body > ul.miz-link-list > li.miz-link-list__item > a `div.miz-card__body > ul.miz-link-list > li.miz-link-list__item > a`
div.miz-card__body > ul.miz-link-list > li.miz-link-list__item > a `div.miz-card__body > ul.miz-link-list > li.miz-link-list__item > a`
div.miz-card__body > ul.miz-link-list > li.miz-link-list__item > a `div.miz-card__body > ul.miz-link-list > li.miz-link-list__item > a`

These items highlight common accessibility best practices.

○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

●`[role]` values are valid

●`[aria-*]` attributes have valid values

●`[aria-*]` attributes are valid and not misspelled

●Buttons have an accessible name

●Image elements have `[alt]` attributes

●`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.

●ARIA attributes are used as specified for the element's role

●`[aria-hidden="true"]` elements do not contain focusable descendents

●Elements use only permitted ARIA attributes

●Background and foreground colors have a sufficient contrast ratio

●Definition list items are wrapped in `<dl>` elements

●Document has a `<title>` element

●`<html>` element has a `[lang]` attribute

●`<html>` element has a valid value for its `[lang]` attribute

●Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).

●List items (`<li>`) are contained within `<ul>`, `<ol>` or `<menu>` parent elements

●Heading elements appear in a sequentially-descending order

●Document has a main landmark.

●Deprecated ARIA roles were not used

●Identical links have the same purpose.

○`[accesskey]` values are unique

○`button`, `link`, and `menuitem` elements have accessible names

○Elements with `role="dialog"` or `role="alertdialog"` have accessible names.

○ARIA input fields have accessible names

○ARIA `meter` elements have accessible names

○ARIA `progressbar` elements have accessible names

○Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.

○`[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

○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 buttons have discernible text.

○`<input type="image">` elements have `[alt]` text

○Form elements have associated labels

○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.

○No element has a `[tabindex]` value greater than 0

○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.

○Elements with visible text labels have matching accessible names.

○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.

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 / Warning	Source
AttributionReporting	snap.licdn.com/li.lms-analytics/insight.min.js

●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 browser errors logged to the console

●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

●Page has valid source maps

○Redirects HTTP traffic to HTTPS

○Mitigate clickjacking with XFO or CSP

SEO

Content Best Practices

Meta descriptions may be included in search results to concisely summarize page content. Learn more about the meta description.

Why this matters

Performance issues directly impact user engagement and conversion rates.

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

●Page has successful HTTP status code

●Links have descriptive text

●Links are crawlable

●robots.txt is valid

●Image elements have `[alt]` attributes

●Document has a valid `hreflang`

●Document has a valid `rel=canonical`

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Site Health

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Top Priorities (5)

Fix Priority Matrix

Quick Wins

Strategic

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What fixing these means

Conversion Barriers

Speed (2)

Trust (2)

Usability (1)

Content (2)

Navigation (1)

Return on Investment

Investment

Monthly returns

Regulatory risk avoided

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Cost by category

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What Inaction Is Costing You

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Lighthouse Scores

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Detailed Report

Performance

Insights

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Accessibility

Tables and lists

Names and labels

Best practices

Best Practices

General

SEO

Content Best Practices

Lighthouse Scores

Core Web Vitals

Detailed Report

Performance

Insights

Diagnostics

Accessibility

Tables and lists

Names and labels

Best practices

Best Practices

General

SEO

Content Best Practices

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