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noticias.uol.com.br Desktop Performance
54/100
These metrics represent real-world Chrome users experience viewing noticias.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
Largest Contentful Paint
First Contentful Paint
First Input Delay
Cumulative Layout Shift
Metrics
Total Blocking Time12/100 760 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more.
Speed Index28/100 3.0 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more.
Time to Interactive44/100 4.8 s
Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more.
First Contentful Paint80/100 1.1 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more.
Largest Contentful Paint91/100 1.2 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn More
Cumulative Layout Shift100/100 0.001
Cumulative Layout Shift measures the movement of visible elements within the viewport. Learn more.
Should Fix (22)
Opportunities
These suggestions can help your page load faster. They don't directly affect the Performance score.
Eliminate render-blocking resources
Potential savings of 720 ms
724 ms
Serve images in next-gen formats
Potential savings of 152 KiB
680 ms
Defer offscreen images
Potential savings of 137 KiB
650 ms
Reduce initial server response time
Root document took 1,190 ms
589 ms
Properly size images
Potential savings of 93 KiB
580 ms
Remove unused JavaScript
Potential savings of 519 KiB
570 ms
Remove unused CSS
Potential savings of 49 KiB
130 ms
Enable text compression
Potential savings of 21 KiB
110 ms
Efficiently encode images
Potential savings of 12 KiB
100 ms
Diagnostics
More information about the performance of your application. These numbers don't directly affect the Performance score.
Ensure text remains visible during webfont load
Avoid `document.write()`
Reduce the impact of third-party code
Third-party code blocked the main thread for 600 ms
Avoid an excessive DOM size
1,977 elements
Minimize main-thread work
4.9 s
Serve static assets with an efficient cache policy
27 resources found
Reduce JavaScript execution time
3.0 s
Largest Contentful Paint element
1 element found
Keep request counts low and transfer sizes small
183 requests • 2,240 KiB
Avoid long main-thread tasks
13 long tasks found
User Timing marks and measures
8 user timings
Avoid chaining critical requests
24 chains found
Avoid large layout shifts
5 elements found
Passed Audits (8)
Avoid multiple page redirects
Potential savings of 190 ms
Preconnect to required origins
Minify JavaScript
Potential savings of 9 KiB
Uses passive listeners to improve scrolling performance
Minify CSS
Potential savings of 2 KiB
Preload key requests
Avoids enormous network payloads
Total size was 2,240 KiB
Use video formats for animated content
Potential savings of 74 KiB
noticias.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)
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Links are not crawlable
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Links do not have descriptive text
1 link found
Image elements do not have `[alt]` attributes
Passed Audits (9)
Document avoids plugins
Document has a valid `hreflang`
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Document has a meta description
Page has successful HTTP status code
robots.txt is valid
Page isn’t blocked from indexing
Document has a valid `rel=canonical`
Document has a `<title>` element
noticias.uol.com.br Desktop Best Practices
54/100
These checks highlight opportunities to improve the overall code health of noticias.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)
User Experience
Serves images with low resolution
General
Browser errors were logged to the console
Uses deprecated APIs
1 warning found
Trust and Safety
Includes front-end JavaScript libraries with known security vulnerabilities
18 vulnerabilities detected
Does not use HTTPS
1 insecure request found
Links to cross-origin destinations are unsafe
Passed Audits (8)
Allows users to paste into password fields
Avoids requesting the geolocation permission on page load
Page has the HTML doctype
Displays images with correct aspect ratio
Avoids Application Cache
Properly defines charset
Detected JavaScript libraries
Avoids requesting the notification permission on page load
noticias.uol.com.br Desktop Progressive Web App
19/100
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 (10)
Installable
Web app manifest does not meet the installability requirements
Does not register a service worker that controls page and `start_url`
Does not use HTTPS
1 insecure request found
PWA Optimized
Manifest doesn't have a maskable icon
Does not provide a valid `apple-touch-icon`
Does not set a theme color for the address bar.
Is not configured for a custom splash screen
Fast and reliable
`start_url` does not respond with a 200 when offline
Page load is not fast enough on mobile networks
Interactive on simulated mobile network at 20.9 s
Current page does not respond with a 200 when offline
Passed Audits (3)
Contains some content when JavaScript is not available
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Redirects HTTP traffic to HTTPS
noticias.uol.com.br Desktop Accessibility
80/100
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 (5)
Navigation
These are opportunities to improve keyboard navigation in your application.
Heading elements are not in a sequentially-descending order
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.
`[role]` values are not valid
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.
Image elements do not have `[alt]` attributes
`<frame>` or `<iframe>` elements do not have a title
Contrast
These are opportunities to improve the legibility of your content.
Background and foreground colors do not have a sufficient contrast ratio.
Passed Audits (17)
`<html>` element has a valid value for its `[lang]` attribute
`[role]`s have all required `[aria-*]` attributes
Links have a discernible name
Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
`[id]` attributes on active, focusable elements are unique
List items (`<li>`) are contained within `<ul>` or `<ol>` parent elements
`[aria-*]` attributes are valid and not misspelled
`[aria-*]` attributes match their roles
`[aria-*]` attributes have valid values
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
Buttons have an accessible name
`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
`<html>` element has a `[lang]` attribute
`[role]`s are contained by their required parent element
The page contains a heading, skip link, or landmark region
`[aria-hidden="true"]` is not present on the document `<body>`
Document has a `<title>` element
Desktop Speed
66/100
These checks analyze the performance of noticias.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)
Leverage browser caching
Enable compression
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Optimize images
Minify HTML
Minify JavaScript
Passed Audits (4)
Avoid landing page redirects
Reduce server response time
Minify CSS
Prioritize visible content
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