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· 0 checks — Desktop Lighthouse audit -- Performance, Accessibility, Best Practices, and SEO category breakdown.
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Detailed Report

Audit breakdown by category with detailed findings.

81

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

Performance issues directly impact user engagement and conversion rates.

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.ufmg.br//app/uploads/2026/03/banco-vermelho-2.jpg0.0 ms1.7 MiB
www.ufmg.br//app/themes/portal-ufmg/assets/img/banner-cursos-home.webp0.0 ms1.5 MiB
www.ufmg.br//app/uploads/2026/03/Gemini_Generated_Image_n6nb8mn6nb8mn6nb.png0.0 ms1.4 MiB
www.ufmg.br//app/uploads/2026/04/estudantes-na-recepcao-de-calouros-scaled.jpg0.0 ms1.3 MiB
www.ufmg.br//app/uploads/2026/03/capa-eng-e1774365691630.png0.0 ms754.1 KiB
www.ufmg.br//app/uploads/2025/08/Foto-na-radio1.jpg0.0 ms743.2 KiB
www.ufmg.br//app/uploads/2026/03/capa-Mujica-e1774362034301.png0.0 ms650.9 KiB
www.ufmg.br//app/uploads/2026/03/Capa-3-e1774365903674.png0.0 ms558.1 KiB
www.ufmg.br//app/uploads/2026/04/coloquio.jpg0.0 ms473.5 KiB
www.ufmg.br//app/uploads/2026/03/capa-posse-e1774361795701.png0.0 ms448.6 KiB
www.ufmg.br//app/uploads/2026/04/THUMB-PORTAL-1536x864.jpg0.0 ms266.4 KiB
www.ufmg.br//app/uploads/2026/04/Sem-titulo-864x445.png0.0 ms217.9 KiB
//app/uploads/2026/02/Gemini_Generated_Image_yxtbazyxtbaz...0.0 ms189.5 KiB
//app/themes/portal-ufmg/assets/fonts/lexend/Lexend-Varia...0.0 ms172.7 KiB
www.ufmg.br//app/uploads/2025/10/Campus-Pampulha-864x445.jpg0.0 ms163.8 KiB
www.ufmg.br//app/uploads/2026/04/atividade-fisica-e-diabetes.jpeg0.0 ms147.1 KiB
www.ufmg.br//app/uploads/2026/04/Captura-de-tela-2026-04-07-184117-640x445.png0.0 ms142.0 KiB
www.ufmg.br//app/themes/portal-ufmg/build/index.css?ver=1.2.00.0 ms115.6 KiB
www.ufmg.br//app/uploads/2026/03/Captura-de-tela-2026-03-26-171416-640x445.png0.0 ms111.0 KiB
//app/themes/portal-ufmg/assets/fonts/public-sans/PublicS...0.0 ms103.9 KiB
//app/themes/portal-ufmg/assets/fonts/public-sans/PublicS...0.0 ms99.6 KiB
//app/uploads/2026/04/WhatsApp-Image-2026-04-21-at-15.43....0.0 ms81.5 KiB
www.ufmg.br//app/uploads/2026/04/IMG-20260409-WA0006-454x445.jpg0.0 ms60.0 KiB
www.ufmg.br//app/uploads/2026/03/THUMB-YT_EP04-266x192.jpg0.0 ms31.0 KiB
www.ufmg.br//app/uploads/2026/04/FRAME-YOUTUBE-266x192.jpg0.0 ms30.8 KiB
//app/uploads/2026/04/WhatsApp-Image-2026-04-02-at-19.28....0.0 ms19.2 KiB
www.ufmg.br//app/themes/portal-ufmg/js/ufmg-networks.js?ver=6.8.30.0 ms9.3 KiB
www.ufmg.br//app/themes/portal-ufmg/js/menu.js?ver=1.2.00.0 ms7.8 KiB
//app/themes/portal-ufmg/assets/fonts/ufmg-icons/iconly.w...0.0 ms7.4 KiB
www.ufmg.br//app/themes/portal-ufmg/js/util.js0.0 ms6.3 KiB
www.ufmg.br//app/mu-plugins/wordpress-popular-posts/assets/js/wpp.js?ver=7.3.50.0 ms5.6 KiB
www.ufmg.br//app/uploads/2025/09/ufmg-logo.svg0.0 ms5.1 KiB
cdn.jsdelivr.net/npm/swiper@12/swiper-bundle.min.js?ver=6.8.3604800.0 s44.3 KiB
//app/themes/portal-ufmg/assets/fonts/ufmg-icons/iconly.m...0.0 ms3.4 KiB
www.ufmg.br//app/themes/portal-ufmg/js/navigation.js?ver=1.2.00.0 ms3.1 KiB
www.ufmg.br//app/themes/portal-ufmg/js/radio.js?ver=1.2.00.0 ms3.1 KiB
www.ufmg.br//app/mu-plugins/wordpress-popular-posts/assets/css/wpp.css?ver=7.3.50.0 ms2.0 KiB
www.ufmg.br//app/themes/portal-ufmg/js/banner.js?ver=1.2.00.0 ms1.7 KiB
www.ufmg.br//app/mu-plugins/ufmg-favicon-switcher/js/favicon-switcher.js0.0 ms867 B
www.ufmg.br//app/themes/portal-ufmg/js/radio-next-shows.js?ver=1.2.00.0 ms718 B
www.ufmg.br//app/themes/portal-ufmg/assets/img/arrow-left-white.svg0.0 ms640 B
www.ufmg.br//app/themes/portal-ufmg/assets/img/arrow-right-white.svg0.0 ms639 B
www.ufmg.br//app/themes/portal-ufmg/js/home.js?ver=1.2.00.0 ms604 B
cdn.jsdelivr.net/npm/swiper@12/swiper-bundle.min.css?ver=6.8.3604800.0 s3.3 KiB

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:0.121552] map[node:map[boundingRect:map[bottom:1470 height:607 left:0 right:1350 top:863 width:1350] lhId:page-17-SECTION nodeLabel:Sobre a UFMG Ensino +53.000 Estudantes em todos os níveis de ensino Cursos Fo… path:1,HTML,1,BODY,3,DIV,3,MAIN,2,SECTION selector:body.home > div#page > main#primary > section#about snippet:<section id="about" class="bg-neutral-50"> type:node] score:0.081915] map[node:map[boundingRect:map[bottom:117 height:93 left:359 right:1315 top:24 width:956] lhId:page-15-DIV nodeLabel:Informações para: Candidatos Estudantes Servidores Sociedade Imprensa Ver todos… path:1,HTML,1,BODY,3,DIV,2,HEADER,1,DIV,1,DIV selector:div#page > header#masthead > div.max-w-[82rem] > div.max-xl:space-y-0 snippet:<div class="max-xl:space-y-0 space-y-6"> type:node] score:0.038679 subItems:map[items:[map[cause:Unsized image element extra:map[boundingRect:map[bottom:104 height:66 left:35 right:230 top:37 width:195] lhId:page-18-IMG nodeLabel:header#masthead > div.max-w-[82rem] > a.flex > img.max-xl:w-[9.25rem] path:1,HTML,1,BODY,3,DIV,2,HEADER,1,DIV,0,A,0,IMG selector:header#masthead > div.max-w-[82rem] > a.flex > img.max-xl:w-[9.25rem] snippet:<img width="195" height="65" src="https://www.ufmg.br//app/uploads/2025/09/ufmg-logo.svg" class="max-xl:w-[9.25rem] max-xl:h-[3rem] group-data-[scrolled=true]:w-[9.25rem] …" alt="" decoding="async"> type:node]]] type:subitems]] map[node:map[boundingRect:map[bottom:117 height:93 left:359 right:1315 top:24 width:956] lhId:page-15-DIV nodeLabel:Informações para: Candidatos Estudantes Servidores Sociedade Imprensa Ver todos… path:1,HTML,1,BODY,3,DIV,2,HEADER,1,DIV,1,DIV selector:div#page > header#masthead > div.max-w-[82rem] > div.max-xl:space-y-0 snippet:<div class="max-xl:space-y-0 space-y-6"> type:node] score:0.000921 subItems:map[items:[map[cause:Web font extra:map[type:url value:https://www.ufmg.br//app/themes/portal-ufmg/assets/fonts/ufmg-icons/iconly.woff2?1772630502875]]] type:subitems]] map[node:map[boundingRect:map[bottom:117 height:93 left:359 right:1315 top:24 width:956] lhId:page-15-DIV nodeLabel:Informações para: Candidatos Estudantes Servidores Sociedade Imprensa Ver todos… path:1,HTML,1,BODY,3,DIV,2,HEADER,1,DIV,1,DIV selector:div#page > header#masthead > div.max-w-[82rem] > div.max-xl:space-y-0 snippet:<div class="max-xl:space-y-0 space-y-6"> type:node] score:3.7e-05 subItems:map[items:[map[cause:Unsized image element extra:map[boundingRect:map[bottom:104 height:66 left:35 right:230 top:37 width:195] lhId:page-18-IMG nodeLabel:header#masthead > div.max-w-[82rem] > a.flex > img.max-xl:w-[9.25rem] path:1,HTML,1,BODY,3,DIV,2,HEADER,1,DIV,0,A,0,IMG selector:header#masthead > div.max-w-[82rem] > a.flex > img.max-xl:w-[9.25rem] snippet:<img width="195" height="65" src="https://www.ufmg.br//app/uploads/2025/09/ufmg-logo.svg" class="max-xl:w-[9.25rem] max-xl:h-[3rem] group-data-[scrolled=true]:w-[9.25rem] …" alt="" decoding="async"> type:node]] map[cause:Web font extra:map[type:url value:https://www.ufmg.br//app/themes/portal-ufmg/assets/fonts/public-sans/PublicSans-VariableFont_wght.ttf]]] type:subitems]]]

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.

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
POLÍTICA PÚBLICA Com suporte da psicanálise, pesquisa vai propor novo protocolo… div.swiper > div#swiper-wrapper-15b283fa26e102f3d > div.swiper-slide > article.w-full
www.ufmg.br//app/uploads/2026/03/Gemini_Generated_Image_n6nb8mn6nb8mn6nb.png1.4 MiB1.3 MiB
Campanha UFMG contra o assédio Saiba quais práticas são consideradas assédio e… div.swiper > div#swiper-wrapper-15b283fa26e102f3d > div.swiper-slide > article.w-full
www.ufmg.br//app/uploads/2026/03/banco-vermelho-2.jpg1.7 MiB1.1 MiB
Educação superior Pesquisa vai traçar perfil socioeconômico e cultural de estud… div.swiper > div#swiper-wrapper-15b283fa26e102f3d > div.swiper-slide > article.w-full
www.ufmg.br//app/uploads/2026/04/estudantes-na-recepcao-de-calouros-scaled.jpg1.3 MiB610.9 KiB
Cursos Educação Básica e Profissional Graduação Pós-graduação Educação a Distân… body.home > div#page > main#primary > section.relative
www.ufmg.br//app/themes/portal-ufmg/assets/img/banner-cursos-home.webp1.5 MiB607.9 KiB
Apresentando o curso de Engenharia Mecânica div.mx-auto > div.swiper > div#swiper-wrapper-79b5aeb2104d1d146 > a.swiper-slide
www.ufmg.br//app/uploads/2026/03/capa-eng-e1774365691630.png752.2 KiB476.6 KiB
A UFMG concedeu o título póstumo de Doutor Honoris Causa a Pepe Mujica. div.mx-auto > div.swiper > div#swiper-wrapper-79b5aeb2104d1d146 > a.swiper-slide
www.ufmg.br//app/uploads/2026/03/capa-Mujica-e1774362034301.png649.3 KiB355.7 KiB
Cantinhos da Escola de Arquitetura e Design div.mx-auto > div.swiper > div#swiper-wrapper-79b5aeb2104d1d146 > a.swiper-slide
www.ufmg.br//app/uploads/2026/03/Capa-3-e1774365903674.png556.7 KiB271.6 KiB
22 ABR Colóquio na Fale discute obra da poeta portuguesa Fátima Maldonado 22 a… section.bg-neutral-50 > div.max-w-[90rem] > div.space-y-8 > a.-mx-4
www.ufmg.br//app/uploads/2026/04/coloquio.jpg472.3 KiB235.2 KiB
div.space-y-12 > div.flex > a.basis-full > img.w-full div.space-y-12 > div.flex > a.basis-full > img.w-full
www.ufmg.br//app/uploads/2026/04/Sem-titulo-864x445.png217.2 KiB199.9 KiB
Aprendizado de máquinas ul.space-y-8 > li.pb-4 > a.flex > img.hidden
//app/uploads/2026/02/Gemini_Generated_Image_yxtbazyxtbaz...188.9 KiB183.8 KiB
Alessandro Fernandes Moreira tomou posse como novo reitor da UFMG div.mx-auto > div.swiper > div#swiper-wrapper-79b5aeb2104d1d146 > a.swiper-slide
www.ufmg.br//app/uploads/2026/03/capa-posse-e1774361795701.png447.4 KiB163.8 KiB
div.space-y-12 > div.flex > a.basis-full > img.w-full div.space-y-12 > div.flex > a.basis-full > img.w-full
www.ufmg.br//app/uploads/2025/10/Campus-Pampulha-864x445.jpg163.2 KiB145.9 KiB
ul.space-y-8 > li.pb-4 > a.flex > img.hidden ul.space-y-8 > li.pb-4 > a.flex > img.hidden
www.ufmg.br//app/uploads/2026/04/Captura-de-tela-2026-04-07-184117-640x445.png141.4 KiB136.3 KiB
ul.space-y-8 > li.pb-4 > a.flex > img.hidden ul.space-y-8 > li.pb-4 > a.flex > img.hidden
www.ufmg.br//app/uploads/2026/03/Captura-de-tela-2026-03-26-171416-640x445.png110.5 KiB105.4 KiB
div.space-y-12 > div.flex > a.basis-full > img.w-full div.space-y-12 > div.flex > a.basis-full > img.w-full
//app/uploads/2026/04/WhatsApp-Image-2026-04-21-at-15.43....81.1 KiB63.8 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-2-ARTICLE
nodeLabel: Educação superior Pesquisa vai traçar perfil socioeconômico e cultural de estud…
path: 1,HTML,1,BODY,3,DIV,3,MAIN,0,SECTION,0,DIV,0,DIV,0,DIV,0,ARTICLE
selector: div.swiper > div#swiper-wrapper-15b283fa26e102f3d > div.swiper-slide > article.w-full
snippet: <article style="--bg-banner: url('https://www.ufmg.br//app/uploads/2026/04/estudantes-na-r…;" class="w-full h-[45.125rem] bg-home-banner bg-no-repeat bg-cover bg-center">

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: 253 ms
URLTime Spent
ufmg.br/253 ms
www.ufmg.br/0.0 ms

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.

ElementLayout shift score
Sobre a UFMG Ensino +53.000 Estudantes em todos os níveis de ensino Cursos Fo… body.home > div#page > main#primary > section#about
0.082
Informações para: Candidatos Estudantes Servidores Sociedade Imprensa Ver todos… div#page > header#masthead > div.max-w-[82rem] > div.max-xl:space-y-0
0.039
Informações para: Candidatos Estudantes Servidores Sociedade Imprensa Ver todos… div#page > header#masthead > div.max-w-[82rem] > div.max-xl:space-y-0
0.001
Informações para: Candidatos Estudantes Servidores Sociedade Imprensa Ver todos… div#page > header#masthead > div.max-w-[82rem] > div.max-xl:space-y-0
0.000

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 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: 40 ms 84.8 KiB
URLTransfer SizeEst Savings
www.ufmg.br//app/themes/portal-ufmg/build/index.css?ver=1.2.0115.1 KiB84.8 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

Performance issues directly impact user engagement and conversion rates.

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 0.0 ms 2.0 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
div.swiper > div.flex > button.swiper-button-prev > img div.swiper > div.flex > button.swiper-button-prev > img
www.ufmg.br//app/themes/portal-ufmg/assets/img/arrow-left-white.svg
div.swiper > div.flex > button.swiper-button-next > img div.swiper > div.flex > button.swiper-button-next > img
www.ufmg.br//app/themes/portal-ufmg/assets/img/arrow-right-white.svg

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

Max Potential First Input Delay 80 ms
Optimize DOM size
Forced reflow
LCP breakdown
Modern HTTP
Optimize viewport for mobile
Minify CSS
User Timing marks and measures 5 user timings
JavaScript execution time 0.2 s
Minimizes main-thread work 0.9 s
Avoid long main-thread tasks 3 long tasks found
Page didn't prevent back/forward cache restoration
Network Requests
Network Round Trip Times 50 ms
Server Backend Latencies 70 ms
Tasks
Diagnostics
Metrics
Screenshot Thumbnails
Final Screenshot
Script Treemap Data
Resources Summary
Initial server response time was short Root document took 90 ms
INP breakdown
Avoid non-composited animations
97

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.

Contrast

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
Futuros div.space-y-8 > div#events-home > div.flex > button#future
2 horas atrás div.flex > a.basis-full > div.space-y-4 > time.block
23 horas atrás div.flex > a.basis-full > div.space-y-4 > time.block
17 de abril de 2026 div.flex > a.basis-full > div.space-y-4 > time.block
14 abr li.pb-9 > a.flex > div.space-y-3 > time.block
02 abr li.pb-9 > a.flex > div.space-y-3 > time.block
31 mar li.pb-9 > a.flex > div.space-y-3 > time.block

These are opportunities to improve the legibility of your content.

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.
`[accesskey]` values are unique
ARIA attributes are used as specified for the element's role
ARIA input fields have accessible names
Elements use only permitted ARIA attributes
Document has a `<title>` element
`<html>` element has a `[lang]` attribute
`<html>` element has a valid value for its `[lang]` attribute
Links have a discernible name
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
List items (`<li>`) are contained within `<ul>`, `<ol>` or `<menu>` parent elements
No element has a `[tabindex]` value greater than 0
Touch targets have sufficient size and spacing.
Heading elements appear in a sequentially-descending order
Skip links are focusable.
Document has a main landmark.
Deprecated ARIA roles were not used
Identical links have the same purpose.
`button`, `link`, and `menuitem` elements have accessible names
Elements with `role="dialog"` or `role="alertdialog"` have accessible names.
`[aria-hidden="true"]` elements do not contain focusable descendents
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
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.
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.
96

Best Practices

User Experience

Image display dimensions should match natural aspect ratio. Learn more about image aspect ratio.

Why this matters

Performance issues directly impact user engagement and conversion rates.

URLAspect Ratio (Displayed)Aspect Ratio (Actual)
li.pb-9 > a.flex > div.shrink-0 > img.h-full li.pb-9 > a.flex > div.shrink-0 > img.h-full
www.ufmg.br//app/uploads/2026/04/FRAME-YOUTUBE-266x192.jpg116 x 88 (1.32)266 x 192 (1.39)
li.pb-9 > a.flex > div.shrink-0 > img.h-full li.pb-9 > a.flex > div.shrink-0 > img.h-full
//app/uploads/2026/04/WhatsApp-Image-2026-04-02-at-19.28....116 x 88 (1.32)266 x 192 (1.39)
li.pb-9 > a.flex > div.shrink-0 > img.h-full li.pb-9 > a.flex > div.shrink-0 > img.h-full
www.ufmg.br//app/uploads/2026/03/THUMB-YT_EP04-266x192.jpg116 x 88 (1.32)266 x 192 (1.39)
Uses HTTPS
Avoids deprecated APIs
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
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 clickjacking with XFO or CSP
Mitigate DOM-based XSS with Trusted Types
Detected JavaScript libraries
Page has valid source maps
Redirects HTTP traffic to HTTPS
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

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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