Uol.com.br UOL - O melhor conteúdo
UOL, a maior empresa brasileira de conteúdo, serviços digitais e tecnologia com vários canais de jornalismo e diversas soluções para você ou seu negóc...
uol.com.br Desktop Performance
36/100
These metrics represent real-world Chrome users experience viewing uol.com.br web page. Reports are focused on loading performance and other critical factors that most affect user experience. Follow our guide to track, optimize, and improve the quality of your web pages.
User Loading Experience
Cumulative Layout Shift
First Input Delay
First Contentful Paint
Largest Contentful Paint
Metrics
Total Blocking Time4/100 1,140 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more.
Largest Contentful Paint27/100 3.4 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn More
Speed Index29/100 2.9 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more.
Time to Interactive37/100 5.3 s
Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more.
First Contentful Paint90/100 0.9 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more.
Cumulative Layout Shift100/100 0.006
Cumulative Layout Shift measures the movement of visible elements within the viewport. Learn more.
Should Fix (16)
Opportunities
These suggestions can help your page load faster. They don't directly affect the Performance score.
Serve images in next-gen formats
Potential savings of 957 KiB
150 ms
Properly size images
Potential savings of 371 KiB
90 ms
Remove unused CSS
Potential savings of 56 KiB
70 ms
Diagnostics
More information about the performance of your application. These numbers don't directly affect the Performance score.
Avoid `document.write()`
Ensure text remains visible during webfont load
Avoid an excessive DOM size
3,605 elements
Minimize main-thread work
9.0 s
Serve static assets with an efficient cache policy
21 resources found
Reduce JavaScript execution time
4.1 s
Avoid enormous network payloads
Total size was 3,182 KiB
Keep request counts low and transfer sizes small
188 requests • 3,182 KiB
Avoid long main-thread tasks
20 long tasks found
Avoid chaining critical requests
9 chains found
Largest Contentful Paint element
1 element found
User Timing marks and measures
8 user timings
Avoid large layout shifts
5 elements found
Passed Audits (14)
Defer offscreen images
Potential savings of 33 KiB
Preconnect to required origins
Initial server response time was short
Root document took 280 ms
Efficiently encode images
Potential savings of 69 KiB
Minimize third-party usage
Third-party code blocked the main thread for 10 ms
Eliminate render-blocking resources
Potential savings of 40 ms
Preload key requests
Minify CSS
Remove unused JavaScript
Potential savings of 348 KiB
Uses passive listeners to improve scrolling performance
Use video formats for animated content
Enable text compression
Minify JavaScript
Potential savings of 12 KiB
Avoid multiple page redirects
Potential savings of 190 ms
uol.com.br Desktop SEO
75/100
These checks ensure that your page is optimized for search engine results ranking. There are additional factors Lighthouse does not check that may affect your search ranking. Learn more. Run these additional validators on your site to check additional SEO best practices.
Should Fix (3)
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Image elements do not have `[alt]` attributes
Links do not have descriptive text
1 link found
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Links are not crawlable
Passed Audits (9)
Document has a meta description
robots.txt is valid
Page isn’t blocked from indexing
Document avoids plugins
Document has a valid `hreflang`
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Document has a `<title>` element
Page has successful HTTP status code
Document has a valid `rel=canonical`
uol.com.br Desktop Best Practices
54/100
These checks highlight opportunities to improve the overall code health of uol.com.br page. Current recommendations will help to make your page fast and secure, to create a good user experience and to avoid deprecated technologies.
Should Fix (6)
Trust and Safety
Links to cross-origin destinations are unsafe
Includes front-end JavaScript libraries with known security vulnerabilities
5 vulnerabilities detected
Does not use HTTPS
1 insecure request found
User Experience
Serves images with low resolution
General
Browser errors were logged to the console
Uses deprecated APIs
1 warning found
Passed Audits (8)
Avoids requesting the notification permission on page load
Allows users to paste into password fields
Properly defines charset
Avoids Application Cache
Detected JavaScript libraries
Page has the HTML doctype
Avoids requesting the geolocation permission on page load
Displays images with correct aspect ratio
uol.com.br Desktop Progressive Web App
22/100
These checks validate the aspects of a Progressive Web App. Learn more. These checks are required by the baseline PWA Checklist but are not automatically checked by Lighthouse. They do not affect your score but it's important that you verify them manually.
Should Fix (9)
PWA Optimized
Manifest doesn't have a maskable icon
Is not configured for a custom splash screen
Does not set a theme color for the address bar.
Installable
Does not register a service worker that controls page and `start_url`
Web app manifest does not meet the installability requirements
Does not use HTTPS
1 insecure request found
Fast and reliable
Page load is not fast enough on mobile networks
Interactive on simulated mobile network at 26.2 s
`start_url` does not respond with a 200 when offline
Current page does not respond with a 200 when offline
Passed Audits (4)
Provides a valid `apple-touch-icon`
Redirects HTTP traffic to HTTPS
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Contains some content when JavaScript is not available
uol.com.br Desktop Accessibility
63/100
These checks highlight opportunities to improve the accessibility of your web app. Only a subset of accessibility issues can be automatically detected so manual testing is also encouraged. These items address areas which an automated testing tool cannot cover. Learn more in our guide on conducting an accessibility review.
Should Fix (12)
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
`[aria-hidden="true"]` elements contain focusable descendents
`[role]` values are not valid
Tables and lists
These are opportunities to to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
`<dl>`'s do not contain only properly-ordered `<dt>` and `<dd>` groups, `<script>`, `<template>` or `<div>` elements.
Lists do not contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
Names and labels
These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.
Buttons do not have an accessible name
`<frame>` or `<iframe>` elements do not have a title
Image elements do not have `[alt]` attributes
Links do not have a discernible name
Navigation
These are opportunities to improve keyboard navigation in your application.
Heading elements are not in a sequentially-descending order
Best practices
These items highlight common accessibility best practices.
The document uses `<meta http-equiv="refresh">`
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
`<html>` element does not have a `[lang]` attribute
Contrast
These are opportunities to improve the legibility of your content.
Background and foreground colors do not have a sufficient contrast ratio.
Passed Audits (15)
`[aria-*]` attributes have valid values
List items (`<li>`) are contained within `<ul>` or `<ol>` parent elements
`[id]` attributes on active, focusable elements are unique
`[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 valid and not misspelled
The page contains a heading, skip link, or landmark region
Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
`[aria-*]` attributes match their roles
Document has a `<title>` element
`[role]`s are contained by their required parent element
Definition list items are wrapped in `<dl>` elements
No element has a `[tabindex]` value greater than 0
Form elements have associated labels
`[role]`s have all required `[aria-*]` attributes
`[aria-hidden="true"]` is not present on the document `<body>`
Desktop Speed
64/100
These checks analyze the performance of uol.com.br on desktop devices and return PageSpeed score and information on how to improve the load time. What makes a good Progressive Web App?
Should Fix (6)
Optimize images
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Leverage browser caching
Prioritize visible content
Minify JavaScript
Minify HTML
Passed Audits (4)
Avoid landing page redirects
Enable compression
Reduce server response time
Minify CSS
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