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Spain Spain · Madrid Completed: Apr 22, 2026 23:36 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)
C73

Site Health

Score: 73 / 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.

Good server performance with room for optimization.

Mostly compliant — a few items need attention.

Good content signals with minor gaps.

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

Terminalfour · 5 peers
You 73
·
Avg 71
At average
0 50 100
Better than 80% of Terminalfour sites See full Terminalfour benchmark →
Amazon ALB · 46 peers
You 73
·
Avg 71
At average
0 50 100
Better than 65% of Amazon ALB sites See full Amazon ALB 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

Cookie 'AWSALB' is missing the Secure flag

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

Security › Cookie Security
3

No Content-Security-Policy header found

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

Security › Content Security Policy
4

Page weighs 17.2 MB (13.1 MB transferred)

Performance issues directly impact user engagement and conversion rates.

Performance › Page Weight Budget
5

167 third-party resources (100% of weight)

Performance issues directly impact user engagement and conversion rates.

Performance › Page Weight Inventory
View fix priority matrix

Fix Priority Matrix

5 findings

Quick Wins

3

High impact, low effort — start here.

Strategic

2

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 →
BeaverCheck badge
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[![BeaverCheck](https://beavercheck.com/badge?url=https%3A%2F%2Fumb.edu)](https://beavercheck.com/results/01df6b9d-361c-48b4-a122-c4481cc3f114)
<a href="https://beavercheck.com/results/01df6b9d-361c-48b4-a122-c4481cc3f114"><img src="https://beavercheck.com/badge?url=https%3A%2F%2Fumb.edu" alt="BeaverCheck Score"></a>
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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 3.7s exceeds Google's 2.5s 'Good' threshold and the 2 performance issues below directly contribute to it. Addressing the critical issues below would have the most immediate impact on your user trust.

3 security gaps detected — browsers may warn visitors about your site.
Your LCP is 3.7s — fixing the 2 performance criticals could bring it under Google's 2.5s 'Good' threshold.

Conversion Barriers

2 critical 4 warning

6 barrier(s) likely increasing bounce by ~24%.

Speed (2)

Page loads in 3.7s

+5% bounce

Every additional 100ms above 2.5s costs conversions — you're 1.2s over

Fix: Target <2.5s LCP: defer non-critical scripts and optimize the hero image

Page feels frozen for 1.3s

+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 (1)

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

Content (2)

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, …)

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

Navigation (1)

3 broken link(s) on the page

+5% 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

€468 investment → €1,822/month returns + EUR 120,500,000 risk avoided

Payback period: < 1 month First-year ROI: +4577%

Investment

€468

6h · 5 findings

Monthly returns

€1,822 /mo

~€21,866 / year

  • Conversions recovered €1,819
  • Bandwidth savings €3.04

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

Payback period

0 12mo 24mo

€128 — 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

€468

5.5 developer hours at €85/hr

Based on European Union rates (€85/hr)

Quick wins
€128 3 fixes in ~90 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

€10,041,670 / month at risk

~€120,500,037 / 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

+4 more

Bandwidth Waste

€3.04 /mo

41095.5 MB/mo × 0.074 EUR/GB

  • Optimize transfer: save ~4.1 MB per page load
    Saves €3.04/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 4 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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Thanks for your feedback!

We'll use a cached audit if available, or offer to scan.

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Lighthouse Scores

Industry-standard audits powered by Google Lighthouse.

50
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
100
Accessibility Measures how accessible the page is for users with disabilities. Checks color contrast, ARIA labels, and semantic HTML.
73
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.

3.20 s

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

3.68 s

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

1.33 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.

9.52 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.

22.70 s

Detailed Report

Audit breakdown by category with detailed findings.

50

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
www.umb.edu/media/umassboston/site-assets/javascript/main.js3600.0 s176.6 KiB
/signals/config/839846335654893?v=2.9.303&r=stable&domain...1200.0 s97.0 KiB
connect.facebook.net/en_US/fbevents.js1200.0 s96.6 KiB
/signals/config/409483902956545?v=2.9.303&r=stable&domain...1200.0 s46.6 KiB
/prod01/umassbostonedu-cdn-pxl/media/umassboston/content-...0.0 ms34.9 KiB
www.umb.edu/media/umassboston/site-assets/css/main0610.css3600.0 s31.8 KiB
www.umb.edu/media/umassboston/site-assets/javascript/jquery.3.5.1.min.js3600.0 s31.1 KiB
www.umb.edu/media/umassboston/site-assets/fonts/ABCWhyte-Bold.woff86400.0 s61.5 KiB
www.umb.edu/media/umassboston/site-assets/fonts/ABCArizonaSerif-Bold.woff286400.0 s61.4 KiB
www.umb.edu/media/umassboston/site-assets/fonts/ABCWhyte-Medium.woff286400.0 s51.5 KiB
www.umb.edu/media/umassboston/site-assets/fonts/ABCWhyte-Book.woff286400.0 s49.7 KiB
www.google-analytics.com/analytics.js7200.0 s20.9 KiB
www.umb.edu/media/umassboston/site-assets/css/umass-extra-css.css3600.0 s19.2 KiB
scripts.clarity.ms/0.8.59/clarity.js86400.0 s26.2 KiB
pixel.byspotify.com/ping.min.js3600.0 s10.3 KiB
siteimproveanalytics.com/js/siteanalyze_21258.js86400.0 s19.2 KiB
snap.licdn.com/li.lms-analytics/insight.min.js86400.0 s18.7 KiB
www.umb.edu/media/umassboston/site-assets/css/t4-extra-css.css3600.0 s6.8 KiB
track.gaconnector.com/gaconnector.js14400.0 s5.5 KiB
www.umb.edu/media/umassboston/site-assets/javascript/t4-extras-js.js3600.0 s4.2 KiB
www.umb.edu/media/umassboston/site-assets/javascript/rave.js3600.0 s3.2 KiB
www.umb.edu/media/umassboston/site-assets/javascript/emergency.js3600.0 s2.8 KiB
www.umb.edu/media/umassboston/site-assets/javascript/umb-umass-footer-js-min.js3600.0 s2.8 KiB
/media/umassboston/site-assets/javascript/automated-facul...3600.0 s2.4 KiB
www.umb.edu/media/umassboston/site-assets/images/new-umb-logo-blue.svg86400.0 s3.5 KiB
/media/umassboston/content-assets/images/branding-assets/...86400.0 s2.9 KiB
www.umb.edu/media/umassboston/site-assets/css/fonts.css3600.0 s1.1 KiB
www.umb.edu/media/umassboston/site-assets/javascript/umb-umass-header-js-min.js3600.0 s1.0 KiB
success.umb.edu/ping1790.0 s967 B
go.umb.edu/ping1790.0 s951 B
/collect?v=2&fmt=js&pid=4609314&time=1776900963493&url=ht...0.0 ms693 B
/idsync/ex/receive/check?partner_id=2305&partner_device_i...0.0 ms427 B
/syncMe?partnerDomain=simpli.fi&idType=cookie&partnerUser...0.0 ms386 B
ps.eyeota.net/match?bid=irm51m1&uid=6D2E779C2E3E4E6EA8D858CF0206D61B0.0 ms354 B
/profiles_engine/ProfilesEngineServlet?at=20&dpi=21243074...0.0 ms216 B
simplifi.partners.tremorhub.com/sync?UISF=1212914DC3BF41819FFA8402BCF0E3E20.0 ms175 B
/tr/?id=409483902956545&ev=PageView&dl=https%3A%2F%2Fwww....0.0 ms19 B
/tr/?id=839846335654893&ev=PageView&dl=https%3A%2F%2Fwww....0.0 ms16 B
/prod01/umassbostonedu-cdn-pxl/media/umassboston/content-...0.0 ms0 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.

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.

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-VIDEO
nodeLabel: div.canvas > div.hero > div.hero__media > video#video_lib
path: 1,HTML,1,BODY,4,DIV,3,DIV,5,DIV,0,DIV,2,VIDEO
selector: div.canvas > div.hero > div.hero__media > video#video_lib
snippet: <video id="video_lib" muted="" loop="" autoplay="" playsinline="" preload="none" poster="https://pxl-umassbostonedu.terminalfour.net/fit-in/1920x1080/filters:quali…" class="absolute">

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
value: No additional origins are good candidates for preconnecting

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
UMass Boston Celebrates Opening of New Police & Public Safety Station div.flow > div.feature > div.frame > img
www.umb.edu/media/umassboston/editor-uploads/news-2025/Police-Ribbon-Cutting.jpg440.5 KiB434.2 KiB
Boston Public Schools, UMass Boston Partner on Student AI Literacy Initiative div.grid > div.flow > div.frame > img
/media/umassboston/editor-uploads/news-2025/Chancellor-Ma...389.1 KiB343.9 KiB
div.pin-scroll__left > div.pin-scroll__sticky > div.bg-static > ::after div.pin-scroll__left > div.pin-scroll__sticky > div.bg-static > ::after
www.umb.edu/media/umassboston/site-assets/images/static.png341.2 KiB221.9 KiB
University Hosts Night of Scholarship Event and Discussion of Latino Education … div.flow > div.feature > div.frame > img
/media/umassboston/editor-uploads/news-2025/7A286394-5258...166.9 KiB160.6 KiB
researchers working in the wet labs at UMass Boston's Integrated Science Complex div.stat > div.relative > div.frame > img
/media/umassboston/content-assets/images/homepage/Male-Fe...164.4 KiB152.1 KiB
US News Ranking Badge body > div#top > div.Badge-flex > img
www.umb.edu/Badge-College-NationalUniversities-2026.png156.4 KiB150.1 KiB
US News Ranking Badge body > div#top > div.Badge-flex > img
www.umb.edu/Badge-College-SocialMobility-2026.png153.4 KiB147.2 KiB
A student smiles while working in an audio production booth wearing a bright re… div.feature-home > div.image-with-hanger-2 > div.frame > img
/media/umassboston/content-assets/images/homepage/mixer-p...151.8 KiB136.9 KiB
Freedom trail viewed from street level, feet on sidewalk. div#swiper-wrapper-899374c2666109f5b > div.swiper-slide > a.gallery__image > img
/media/umassboston/content-assets/images/homepage/freedom...176.6 KiB130.0 KiB
International student stands in front of flags on balcony in Campus Center. div.stat > div.relative > div.frame > img
www.umb.edu/media/internationalstudents-UMB20140124-0994_900x900.jpg131.0 KiB118.9 KiB
Breathe Life Mural Rob-ProBlak-Gibbs-2017, Roxbury. div#swiper-wrapper-899374c2666109f5b > div.swiper-slide > a.gallery__image > img
/media/umassboston/content-assets/images/homepage/roxbury...159.4 KiB112.8 KiB
Paramount Theater, theater district Boston. div#swiper-wrapper-899374c2666109f5b > div.swiper-slide > a.gallery__image > img
/media/umassboston/content-assets/images/homepage/theater...156.3 KiB109.7 KiB
4 students in UMB apparel walk in the Boston Public Gardens past the gates. div#swiper-wrapper-899374c2666109f5b > div.swiper-slide > a.gallery__image > img
/media/umassboston/content-assets/images/homepage/student...164.9 KiB108.5 KiB
Two women in wool coats on Boston Common. div#swiper-wrapper-899374c2666109f5b > div.swiper-slide > a.gallery__image > img
/media/umassboston/content-assets/images/homepage/womenn-...153.8 KiB107.9 KiB
Stefan sits in wheelchair talks with two students in cafeteria. div.stat > div.relative > div.frame > img
/media/umassboston/content-assets/images/homepage/UMass-B...108.2 KiB98.1 KiB
Valerie stands in lobby of Uhall. div.swiper-slide > div.testimonial > div.frame > img
/media/umassboston/content-assets/images/homepage/valerie...120.9 KiB91.0 KiB
Stefan sits in the cafeteria looking thoughtfully at camera. div.swiper-slide > div.testimonial > div.frame > img
/media/umassboston/content-assets/images/homepage/stefan-...120.2 KiB90.4 KiB
Anjali in nursing scrubs stands in nursing lab. div.swiper-slide > div.testimonial > div.frame > img
/media/umassboston/content-assets/images/homepage/Anjali-...118.4 KiB89.1 KiB
Mya-Jai holds flute smiling in the auditorium. div.swiper-slide > div.testimonial > div.frame > img
/media/umassboston/content-assets/images/homepage/mya-jai...116.4 KiB87.5 KiB
Chinatown Gate Boston. div#swiper-wrapper-899374c2666109f5b > div.swiper-slide > a.gallery__image > img
/media/umassboston/content-assets/images/homepage/chinato...124.1 KiB87.1 KiB
Sitting in his wheelchair on the field at Fenway park, Stefan wears a Red Sox e… div#swiper-wrapper-899374c2666109f5b > div.swiper-slide > a.gallery__image > img
/media/umassboston/content-assets/images/homepage/boston-...122.8 KiB86.2 KiB
Harley smiles standing in Uhall lobby. div.swiper-slide > div.testimonial > div.frame > img
/media/umassboston/content-assets/images/homepage/Harley-...113.5 KiB85.4 KiB
2 attend the Pow Wow on Campus Center lawn. div.stat > div.relative > div.frame > img
/media/umassboston/content-assets/images/homepage/3rd-mos...91.0 KiB82.6 KiB
2 sit outside at commencement in caps & gowns, 1 holds up diploma. div.stat > div.relative > div.frame > img
/media/umassboston/content-assets/images/homepage/social-...88.6 KiB80.4 KiB
Student poses in front of ISC railing. div.stat > div.relative > div.frame > img
/media/umassboston/content-assets/images/homepage/student...86.1 KiB78.1 KiB
Student holds a banh mi sandwich in front of a shop in Dorchester. div#swiper-wrapper-899374c2666109f5b > div.swiper-slide > a.gallery__image > img
www.umb.edu/media/Boston-banhmi-SandwichPhoto-JessieLi-1200x800.jpg108.9 KiB76.4 KiB
Eden wearing cooking uniform stands in Campus Center kitchen. div.swiper-slide > div.testimonial > div.frame > img
/media/umassboston/content-assets/images/homepage/eden-UM...94.2 KiB70.8 KiB
Three UMass Boston students, a woman and two men, smiling div.feature-home > div.image-with-hanger-2 > div.frame > img
/media/umassboston/content-assets/images/homepage/3incamp...88.8 KiB63.0 KiB
Hamad-Schifferli working with graduate student, Josselyn Mata Calidonio in the … div > article.timely-update > div.frame > img
/media/umassboston/editor-uploads/research/images/R1-Prof...70.5 KiB43.6 KiB
International flags on railings in campus center view from balcony. div.pin-scroll__left > div.pin-scroll__sticky > div.bg-static > img.pin-scroll__background
/media/umassboston/content-assets/images/test/campus-cent...79.2 KiB14.9 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: 853 ms
URLTime Spent
umb.edu/853 ms
www.umb.edu/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

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 CSS files can reduce network payload sizes. Learn how to minify CSS.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 170 ms 15.7 KiB

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: 330 ms 41.8 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.

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 Evaluation3.3 s
Other1.7 s
Style & Layout497 ms
Script Parsing & Compilation413 ms
Rendering169 ms
Garbage Collection91 ms
Parse HTML & CSS60 ms

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

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
Sitting in his wheelchair on the field at Fenway park, Stefan wears a Red Sox e… div#swiper-wrapper-899374c2666109f5b > div.swiper-slide > a.gallery__image > img
/media/umassboston/content-assets/images/homepage/boston-...
Paramount Theater, theater district Boston. div#swiper-wrapper-899374c2666109f5b > div.swiper-slide > a.gallery__image > img
/media/umassboston/content-assets/images/homepage/theater...
4 students in UMB apparel walk in the Boston Public Gardens past the gates. div#swiper-wrapper-899374c2666109f5b > div.swiper-slide > a.gallery__image > img
/media/umassboston/content-assets/images/homepage/student...
Chinatown Gate Boston. div#swiper-wrapper-899374c2666109f5b > div.swiper-slide > a.gallery__image > img
/media/umassboston/content-assets/images/homepage/chinato...
Breathe Life Mural Rob-ProBlak-Gibbs-2017, Roxbury. div#swiper-wrapper-899374c2666109f5b > div.swiper-slide > a.gallery__image > img
/media/umassboston/content-assets/images/homepage/roxbury...
Student holds a banh mi sandwich in front of a shop in Dorchester. div#swiper-wrapper-899374c2666109f5b > div.swiper-slide > a.gallery__image > img
www.umb.edu/media/Boston-banhmi-SandwichPhoto-JessieLi-1200x800.jpg
Freedom trail viewed from street level, feet on sidewalk. div#swiper-wrapper-899374c2666109f5b > div.swiper-slide > a.gallery__image > img
/media/umassboston/content-assets/images/homepage/freedom...
Two women in wool coats on Boston Common. div#swiper-wrapper-899374c2666109f5b > div.swiper-slide > a.gallery__image > img
/media/umassboston/content-assets/images/homepage/womenn-...
International flags on railings in campus center view from balcony. div.pin-scroll__left > div.pin-scroll__sticky > div.bg-static > img.pin-scroll__background
/media/umassboston/content-assets/images/test/campus-cent...
Three UMass Boston students, a woman and two men, smiling div.feature-home > div.image-with-hanger-2 > div.frame > img
/media/umassboston/content-assets/images/homepage/3incamp...
A student smiles while working in an audio production booth wearing a bright re… div.feature-home > div.image-with-hanger-2 > div.frame > img
/media/umassboston/content-assets/images/homepage/mixer-p...
Harley smiles standing in Uhall lobby. div.swiper-slide > div.testimonial > div.frame > img
/media/umassboston/content-assets/images/homepage/Harley-...
Anjali in nursing scrubs stands in nursing lab. div.swiper-slide > div.testimonial > div.frame > img
/media/umassboston/content-assets/images/homepage/Anjali-...
Stefan sits in the cafeteria looking thoughtfully at camera. div.swiper-slide > div.testimonial > div.frame > img
/media/umassboston/content-assets/images/homepage/stefan-...
Eden wearing cooking uniform stands in Campus Center kitchen. div.swiper-slide > div.testimonial > div.frame > img
/media/umassboston/content-assets/images/homepage/eden-UM...
Mya-Jai holds flute smiling in the auditorium. div.swiper-slide > div.testimonial > div.frame > img
/media/umassboston/content-assets/images/homepage/mya-jai...
Valerie stands in lobby of Uhall. div.swiper-slide > div.testimonial > div.frame > img
/media/umassboston/content-assets/images/homepage/valerie...
Student poses in front of ISC railing. div.stat > div.relative > div.frame > img
/media/umassboston/content-assets/images/homepage/student...
International student stands in front of flags on balcony in Campus Center. div.stat > div.relative > div.frame > img
www.umb.edu/media/internationalstudents-UMB20140124-0994_900x900.jpg
2 attend the Pow Wow on Campus Center lawn. div.stat > div.relative > div.frame > img
/media/umassboston/content-assets/images/homepage/3rd-mos...
2 sit outside at commencement in caps & gowns, 1 holds up diploma. div.stat > div.relative > div.frame > img
/media/umassboston/content-assets/images/homepage/social-...
Stefan sits in wheelchair talks with two students in cafeteria. div.stat > div.relative > div.frame > img
/media/umassboston/content-assets/images/homepage/UMass-B...
researchers working in the wet labs at UMass Boston's Integrated Science Complex div.stat > div.relative > div.frame > img
/media/umassboston/content-assets/images/homepage/Male-Fe...
Hamad-Schifferli working with graduate student, Josselyn Mata Calidonio in the … div > article.timely-update > div.frame > img
/media/umassboston/editor-uploads/research/images/R1-Prof...
UMass Boston Celebrates Opening of New Police & Public Safety Station div.flow > div.feature > div.frame > img
www.umb.edu/media/umassboston/editor-uploads/news-2025/Police-Ribbon-Cutting.jpg
Boston Public Schools, UMass Boston Partner on Student AI Literacy Initiative div.grid > div.flow > div.frame > img
/media/umassboston/editor-uploads/news-2025/Chancellor-Ma...
University Hosts Night of Scholarship Event and Discussion of Latino Education … div.flow > div.feature > div.frame > img
/media/umassboston/editor-uploads/news-2025/7A286394-5258...

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

Layout shift culprits
Optimize DOM size
Forced reflow
LCP breakdown
Modern HTTP
Optimize viewport for mobile
Minify JavaScript
User Timing marks and measures 10 user timings
Avoid long main-thread tasks 13 long tasks found
Avoid non-composited animations 4 animated elements found
Page didn't prevent back/forward cache restoration
Network Requests
Network Round Trip Times 100 ms
Server Backend Latencies 740 ms
Tasks
Diagnostics
Metrics
Screenshot Thumbnails
Final Screenshot
Script Treemap Data
Resources Summary
Initial server response time was short Root document took 210 ms
Avoid large layout shifts 1 layout shift found
INP breakdown
100

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.

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
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.
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
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.
Heading elements appear in a sequentially-descending order
Document has a main landmark.
Deprecated ARIA roles were not used
`<video>` elements contain a `<track>` element with `[kind="captions"]`
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
`<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 buttons have discernible text.
`<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
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.
73

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
AttributionReporting

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: the server responded with a status of 404 ()
Failed to load resource: the server responded with a status of 451 ()
Missing required DOM elements.
Uncaught [object Object]
Uncaught [object Object]

Issues logged to the `Issues` panel in Chrome Devtools indicate unresolved problems. They can come from network request failures, insufficient security controls, and other browser concerns. Open up the Issues panel in Chrome DevTools for more details on each issue.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Issue type
Cookie

Source maps translate minified code to the original source code. This helps developers debug in production. In addition, Lighthouse is able to provide further insights. Consider deploying source maps to take advantage of these benefits. Learn more about source maps.

Why this matters

Performance issues directly impact user engagement and conversion rates.

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
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

Descriptive link text helps search engines understand your content. Learn how to make links more accessible.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Link destinationLink Text
www.umb.edu/research/r1-research-classification/Learn More

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 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

79
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
100
Accessibility Measures how accessible the page is for users with disabilities. Checks color contrast, ARIA labels, and semantic HTML.
73
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.

1.70 s

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

1.86 s

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

77 ms

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

0.005

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

2.85 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.

5.21 s

Detailed Report

Audit breakdown by category with detailed findings.

79

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
www.umb.edu/media/umassboston/site-assets/javascript/main.js3600.0 s176.6 KiB
/signals/config/839846335654893?v=2.9.303&r=stable&domain...1200.0 s97.0 KiB
connect.facebook.net/en_US/fbevents.js1200.0 s96.6 KiB
/signals/config/409483902956545?v=2.9.303&r=stable&domain...1200.0 s46.6 KiB
/prod01/umassbostonedu-cdn-pxl/media/umassboston/content-...0.0 ms34.9 KiB
www.umb.edu/media/umassboston/site-assets/css/main0610.css3600.0 s31.8 KiB
www.umb.edu/media/umassboston/site-assets/javascript/jquery.3.5.1.min.js3600.0 s31.1 KiB
www.umb.edu/media/umassboston/site-assets/fonts/ABCWhyte-Bold.woff86400.0 s61.4 KiB
www.umb.edu/media/umassboston/site-assets/fonts/ABCArizonaSerif-Bold.woff286400.0 s61.4 KiB
www.umb.edu/media/umassboston/site-assets/fonts/ABCWhyte-Medium.woff286400.0 s51.5 KiB
www.umb.edu/media/umassboston/site-assets/fonts/ABCWhyte-Book.woff286400.0 s49.7 KiB
www.google-analytics.com/analytics.js7200.0 s20.9 KiB
www.umb.edu/media/umassboston/site-assets/css/umass-extra-css.css3600.0 s19.2 KiB
scripts.clarity.ms/0.8.59/clarity.js86400.0 s26.2 KiB
pixel.byspotify.com/ping.min.js3600.0 s10.2 KiB
siteimproveanalytics.com/js/siteanalyze_21258.js86400.0 s19.2 KiB
snap.licdn.com/li.lms-analytics/insight.min.js86400.0 s18.7 KiB
www.umb.edu/media/umassboston/site-assets/css/t4-extra-css.css3600.0 s6.9 KiB
track.gaconnector.com/gaconnector.js14400.0 s5.5 KiB
www.umb.edu/media/umassboston/site-assets/javascript/t4-extras-js.js3600.0 s4.3 KiB
www.umb.edu/media/umassboston/site-assets/javascript/rave.js3600.0 s3.2 KiB
www.umb.edu/media/umassboston/site-assets/javascript/emergency.js3600.0 s2.8 KiB
www.umb.edu/media/umassboston/site-assets/javascript/umb-umass-footer-js-min.js3600.0 s2.8 KiB
/media/umassboston/site-assets/javascript/automated-facul...3600.0 s2.4 KiB
www.umb.edu/media/umassboston/site-assets/images/new-umb-logo-blue.svg86400.0 s3.6 KiB
/media/umassboston/content-assets/images/branding-assets/...86400.0 s2.9 KiB
www.umb.edu/media/umassboston/site-assets/css/fonts.css3600.0 s1.1 KiB
www.umb.edu/media/umassboston/site-assets/javascript/umb-umass-header-js-min.js3600.0 s1.0 KiB
success.umb.edu/ping1793.0 s963 B
go.umb.edu/ping1793.0 s951 B
/collect?v=2&fmt=js&pid=4609314&time=1776900983972&url=ht...0.0 ms694 B
/idsync/ex/receive/check?partner_id=2305&partner_device_i...0.0 ms428 B
/syncMe?partnerDomain=simpli.fi&idType=cookie&partnerUser...0.0 ms389 B
ps.eyeota.net/match?bid=irm51m1&uid=6315F7753DB94506A9B5914374395AAD0.0 ms354 B
/profiles_engine/ProfilesEngineServlet?at=20&dpi=21243074...0.0 ms219 B
simplifi.partners.tremorhub.com/sync?UISF=60DDA17CE3AD45BCA2D771B2D78EFF4F0.0 ms175 B
/tr/?id=409483902956545&ev=PageView&dl=https%3A%2F%2Fwww....0.0 ms16 B
/tr/?id=839846335654893&ev=PageView&dl=https%3A%2F%2Fwww....0.0 ms16 B
/prod01/umassbostonedu-cdn-pxl/media/umassboston/content-...0.0 ms0 B
/prod01/umassbostonedu-cdn-pxl/media/umassboston/content-...0.0 ms0 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.

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:Source valueType:source-location] map[granularity:1 key:reflowTime label:Total reflow time valueType:ms]]
items: [map[reflowTime:28.062 source:map[type:text value:[unattributed]]] map[reflowTime:3.232 source:map[column:23 line:7 type:source-location url:webpack://build/./src/js/components/header.js? urlProvider:network]] map[reflowTime:5.413 source:map[column:19 line:13 type:source-location url:webpack://build/./node_modules/swiper/core/update/updateSize.js? urlProvider:network]] map[reflowTime:0.905 source:map[column:65 line:744 type:source-location url:webpack://build/./node_modules/dom7/dom7.esm.js? urlProvider:network]] map[reflowTime:1.119 source:map[column:68 line:9 type:source-location url:webpack://build/./node_modules/swiper/core/update/updateSlidesOffset.js? urlProvider:network]] map[reflowTime:2.376 source:map[column:47 line:112 type:source-location url:webpack://build/./node_modules/swiper/modules/scrollbar/scrollbar.js? urlProvider:network]]]

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
UMass Boston Celebrates Opening of New Police & Public Safety Station div.flow > div.feature > div.frame > img
www.umb.edu/media/umassboston/editor-uploads/news-2025/Police-Ribbon-Cutting.jpg440.5 KiB434.4 KiB
Boston Public Schools, UMass Boston Partner on Student AI Literacy Initiative div.grid > div.flow > div.frame > img
/media/umassboston/editor-uploads/news-2025/Chancellor-Ma...389.1 KiB347.0 KiB
div.pin-scroll__left > div.pin-scroll__sticky > div.bg-static > ::after div.pin-scroll__left > div.pin-scroll__sticky > div.bg-static > ::after
www.umb.edu/media/umassboston/site-assets/images/static.png341.2 KiB221.9 KiB
University Hosts Night of Scholarship Event and Discussion of Latino Education … div.flow > div.feature > div.frame > img
/media/umassboston/editor-uploads/news-2025/7A286394-5258...166.9 KiB160.8 KiB
researchers working in the wet labs at UMass Boston's Integrated Science Complex div.stat > div.relative > div.frame > img
/media/umassboston/content-assets/images/homepage/Male-Fe...164.4 KiB156.7 KiB
A student smiles while working in an audio production booth wearing a bright re… div.feature-home > div.image-with-hanger-2 > div.frame > img
/media/umassboston/content-assets/images/homepage/mixer-p...151.8 KiB139.6 KiB
International student stands in front of flags on balcony in Campus Center. div.stat > div.relative > div.frame > img
www.umb.edu/media/internationalstudents-UMB20140124-0994_900x900.jpg131.0 KiB123.4 KiB
Stefan sits in the cafeteria looking thoughtfully at camera. div.swiper-slide > div.testimonial > div.frame > img
/media/umassboston/content-assets/images/homepage/stefan-...120.2 KiB110.9 KiB
Stefan sits in wheelchair talks with two students in cafeteria. div.stat > div.relative > div.frame > img
/media/umassboston/content-assets/images/homepage/UMass-B...108.2 KiB101.8 KiB
Anjali in nursing scrubs stands in nursing lab. div.swiper-slide > div.testimonial > div.frame > img
/media/umassboston/content-assets/images/homepage/Anjali-...118.4 KiB101.7 KiB
Mya-Jai holds flute smiling in the auditorium. div.swiper-slide > div.testimonial > div.frame > img
/media/umassboston/content-assets/images/homepage/mya-jai...116.4 KiB101.0 KiB
Harley smiles standing in Uhall lobby. div.swiper-slide > div.testimonial > div.frame > img
/media/umassboston/content-assets/images/homepage/Harley-...113.5 KiB99.9 KiB
2 attend the Pow Wow on Campus Center lawn. div.stat > div.relative > div.frame > img
/media/umassboston/content-assets/images/homepage/3rd-mos...91.0 KiB85.7 KiB
2 sit outside at commencement in caps & gowns, 1 holds up diploma. div.stat > div.relative > div.frame > img
/media/umassboston/content-assets/images/homepage/social-...88.6 KiB83.4 KiB
Student poses in front of ISC railing. div.stat > div.relative > div.frame > img
/media/umassboston/content-assets/images/homepage/student...86.1 KiB81.0 KiB
Eden wearing cooking uniform stands in Campus Center kitchen. div.swiper-slide > div.testimonial > div.frame > img
/media/umassboston/content-assets/images/homepage/eden-UM...94.2 KiB78.0 KiB
Three UMass Boston students, a woman and two men, smiling div.feature-home > div.image-with-hanger-2 > div.frame > img
/media/umassboston/content-assets/images/homepage/3incamp...88.8 KiB72.7 KiB
Hamad-Schifferli working with graduate student, Josselyn Mata Calidonio in the … div > article.timely-update > div.frame > img
/media/umassboston/editor-uploads/research/images/R1-Prof...70.5 KiB38.9 KiB
International flags on railings in campus center view from balcony. div.pin-scroll__left > div.pin-scroll__sticky > div.bg-static > img.pin-scroll__background
/media/umassboston/content-assets/images/test/campus-cent...79.2 KiB20.7 KiB
div.canvas > div.hero > div.hero__media > video#video_lib div.canvas > div.hero > div.hero__media > video#video_lib
/fit-in/1920x1080/filters:quality(40)/filters:format(webp...57.1 KiB20.3 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-19-VIDEO
nodeLabel: div.canvas > div.hero > div.hero__media > video#video_lib
path: 1,HTML,1,BODY,4,DIV,3,DIV,5,DIV,0,DIV,2,VIDEO
selector: div.canvas > div.hero > div.hero__media > video#video_lib
snippet: <video id="video_lib" muted="" loop="" autoplay="" playsinline="" preload="none" poster="https://pxl-umassbostonedu.terminalfour.net/fit-in/1920x1080/filters:quali…" class="absolute">

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
value: No additional origins are good candidates for preconnecting

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.

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: 820 ms
URLTime Spent
umb.edu/820 ms
www.umb.edu/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 CSS files can reduce network payload sizes. Learn how to minify CSS.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 80 ms 15.7 KiB

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: 80 ms 39.8 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

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
Sitting in his wheelchair on the field at Fenway park, Stefan wears a Red Sox e… div#swiper-wrapper-9a8ca2c62a366772 > div.swiper-slide > a.gallery__image > img
/media/umassboston/content-assets/images/homepage/boston-...
Paramount Theater, theater district Boston. div#swiper-wrapper-9a8ca2c62a366772 > div.swiper-slide > a.gallery__image > img
/media/umassboston/content-assets/images/homepage/theater...
4 students in UMB apparel walk in the Boston Public Gardens past the gates. div#swiper-wrapper-9a8ca2c62a366772 > div.swiper-slide > a.gallery__image > img
/media/umassboston/content-assets/images/homepage/student...
Chinatown Gate Boston. div#swiper-wrapper-9a8ca2c62a366772 > div.swiper-slide > a.gallery__image > img
/media/umassboston/content-assets/images/homepage/chinato...
Breathe Life Mural Rob-ProBlak-Gibbs-2017, Roxbury. div#swiper-wrapper-9a8ca2c62a366772 > div.swiper-slide > a.gallery__image > img
/media/umassboston/content-assets/images/homepage/roxbury...
Student holds a banh mi sandwich in front of a shop in Dorchester. div#swiper-wrapper-9a8ca2c62a366772 > div.swiper-slide > a.gallery__image > img
www.umb.edu/media/Boston-banhmi-SandwichPhoto-JessieLi-1200x800.jpg
Freedom trail viewed from street level, feet on sidewalk. div#swiper-wrapper-9a8ca2c62a366772 > div.swiper-slide > a.gallery__image > img
/media/umassboston/content-assets/images/homepage/freedom...
Two women in wool coats on Boston Common. div#swiper-wrapper-9a8ca2c62a366772 > div.swiper-slide > a.gallery__image > img
/media/umassboston/content-assets/images/homepage/womenn-...
Three UMass Boston students, a woman and two men, smiling div.feature-home > div.image-with-hanger-2 > div.frame > img
/media/umassboston/content-assets/images/homepage/3incamp...
A student smiles while working in an audio production booth wearing a bright re… div.feature-home > div.image-with-hanger-2 > div.frame > img
/media/umassboston/content-assets/images/homepage/mixer-p...
Harley smiles standing in Uhall lobby. div.swiper-slide > div.testimonial > div.frame > img
/media/umassboston/content-assets/images/homepage/Harley-...
Anjali in nursing scrubs stands in nursing lab. div.swiper-slide > div.testimonial > div.frame > img
/media/umassboston/content-assets/images/homepage/Anjali-...
Stefan sits in the cafeteria looking thoughtfully at camera. div.swiper-slide > div.testimonial > div.frame > img
/media/umassboston/content-assets/images/homepage/stefan-...
Eden wearing cooking uniform stands in Campus Center kitchen. div.swiper-slide > div.testimonial > div.frame > img
/media/umassboston/content-assets/images/homepage/eden-UM...
Mya-Jai holds flute smiling in the auditorium. div.swiper-slide > div.testimonial > div.frame > img
/media/umassboston/content-assets/images/homepage/mya-jai...
Valerie stands in lobby of Uhall. div.swiper-slide > div.testimonial > div.frame > img
/media/umassboston/content-assets/images/homepage/valerie...
Student poses in front of ISC railing. div.stat > div.relative > div.frame > img
/media/umassboston/content-assets/images/homepage/student...
International student stands in front of flags on balcony in Campus Center. div.stat > div.relative > div.frame > img
www.umb.edu/media/internationalstudents-UMB20140124-0994_900x900.jpg
2 attend the Pow Wow on Campus Center lawn. div.stat > div.relative > div.frame > img
/media/umassboston/content-assets/images/homepage/3rd-mos...
2 sit outside at commencement in caps & gowns, 1 holds up diploma. div.stat > div.relative > div.frame > img
/media/umassboston/content-assets/images/homepage/social-...
Stefan sits in wheelchair talks with two students in cafeteria. div.stat > div.relative > div.frame > img
/media/umassboston/content-assets/images/homepage/UMass-B...
researchers working in the wet labs at UMass Boston's Integrated Science Complex div.stat > div.relative > div.frame > img
/media/umassboston/content-assets/images/homepage/Male-Fe...
Hamad-Schifferli working with graduate student, Josselyn Mata Calidonio in the … div > article.timely-update > div.frame > img
/media/umassboston/editor-uploads/research/images/R1-Prof...
UMass Boston Celebrates Opening of New Police & Public Safety Station div.flow > div.feature > div.frame > img
www.umb.edu/media/umassboston/editor-uploads/news-2025/Police-Ribbon-Cutting.jpg
Boston Public Schools, UMass Boston Partner on Student AI Literacy Initiative div.grid > div.flow > div.frame > img
/media/umassboston/editor-uploads/news-2025/Chancellor-Ma...
University Hosts Night of Scholarship Event and Discussion of Latino Education … div.flow > div.feature > div.frame > img
/media/umassboston/editor-uploads/news-2025/7A286394-5258...

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

Max Potential First Input Delay 100 ms
Layout shift culprits
Optimize DOM size
LCP breakdown
Modern HTTP
Optimize viewport for mobile
Minify JavaScript
User Timing marks and measures 10 user timings
JavaScript execution time 0.7 s
Minimizes main-thread work 1.4 s
Avoid long main-thread tasks 6 long tasks found
Avoid non-composited animations 4 animated elements found
Page didn't prevent back/forward cache restoration
Network Requests
Network Round Trip Times 200 ms
Server Backend Latencies 230 ms
Tasks
Diagnostics
Metrics
Screenshot Thumbnails
Final Screenshot
Script Treemap Data
Resources Summary
Initial server response time was short Root document took 20 ms
Avoid large layout shifts 2 layout shifts found
INP breakdown
100

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.

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
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.
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
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.
Heading elements appear in a sequentially-descending order
Document has a main landmark.
Deprecated ARIA roles were not used
`<video>` elements contain a `<track>` element with `[kind="captions"]`
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
`<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 buttons have discernible text.
`<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
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.
73

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
AttributionReporting

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: the server responded with a status of 404 ()
Failed to load resource: the server responded with a status of 451 ()
Missing required DOM elements.
Uncaught [object Object]
Uncaught [object Object]

Issues logged to the `Issues` panel in Chrome Devtools indicate unresolved problems. They can come from network request failures, insufficient security controls, and other browser concerns. Open up the Issues panel in Chrome DevTools for more details on each issue.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Issue type
Cookie

Source maps translate minified code to the original source code. This helps developers debug in production. In addition, Lighthouse is able to provide further insights. Consider deploying source maps to take advantage of these benefits. Learn more about source maps.

Why this matters

Performance issues directly impact user engagement and conversion rates.

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
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

Descriptive link text helps search engines understand your content. Learn how to make links more accessible.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Link destinationLink Text
www.umb.edu/research/r1-research-classification/Learn More

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 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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