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noticias.uol.com.br Mobile Performance
15/100
These metrics represent real-world Chrome users experience viewing noticias.uol.com.br on mobile devices. 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
Cumulative Layout Shift
First Input Delay
First Contentful Paint
Metrics
Total Blocking Time0/100 3,700 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more.
Time to Interactive3/100 18.6 s
Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more.
Speed Index8/100 10.5 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more.
Largest Contentful Paint10/100 6.4 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn More
First Contentful Paint40/100 4.5 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more.
Cumulative Layout Shift88/100 0.109
Cumulative Layout Shift measures the movement of visible elements within the viewport. Learn more.
Should Fix (19)
Opportunities
These suggestions can help your page load faster. They don't directly affect the Performance score.
Eliminate render-blocking resources
Potential savings of 3,130 ms
3,128 ms
Remove unused JavaScript
Potential savings of 403 KiB
2,220 ms
Serve images in next-gen formats
Potential savings of 186 KiB
1,240 ms
Defer offscreen images
Potential savings of 131 KiB
670 ms
Enable text compression
Potential savings of 26 KiB
180 ms
Remove unused CSS
Potential savings of 50 KiB
180 ms
Efficiently encode images
Potential savings of 24 KiB
150 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
Reduce the impact of third-party code
Third-party code blocked the main thread for 880 ms
Minimize main-thread work
14.9 s
Reduce JavaScript execution time
9.2 s
Avoid an excessive DOM size
2,232 elements
Serve static assets with an efficient cache policy
25 resources found
Avoid chaining critical requests
24 chains found
Avoid long main-thread tasks
20 long tasks found
Largest Contentful Paint element
1 element found
Keep request counts low and transfer sizes small
175 requests • 1,934 KiB
Avoid large layout shifts
4 elements found
Passed Audits (10)
Minify JavaScript
Initial server response time was short
Root document took 270 ms
Use video formats for animated content
Preconnect to required origins
Uses passive listeners to improve scrolling performance
Properly size images
Preload key requests
Avoids enormous network payloads
Total size was 1,934 KiB
Avoid multiple page redirects
Potential savings of 630 ms
Minify CSS
Potential savings of 2 KiB
noticias.uol.com.br Mobile SEO
86/100
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 (2)
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
2 links found
Passed Audits (12)
Document has a meta description
Document has a valid `hreflang`
Document uses legible font sizes
97.16% legible text
robots.txt is valid
Page has successful HTTP status code
Document has a valid `rel=canonical`
Document avoids plugins
Page isn’t blocked from indexing
Links are crawlable
Tap targets are sized appropriately
100% appropriately sized tap targets
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Document has a `<title>` element
noticias.uol.com.br Mobile Best Practices
62/100
These checks highlight opportunities to improve the overall code health of noticias.uol.com.br mobile 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 (5)
Trust and Safety
Does not use HTTPS
1 insecure request found
Includes front-end JavaScript libraries with known security vulnerabilities
18 vulnerabilities detected
Links to cross-origin destinations are unsafe
General
Browser errors were logged to the console
User Experience
Serves images with low resolution
Passed Audits (9)
Avoids requesting the geolocation permission on page load
Avoids deprecated APIs
Properly defines charset
Avoids Application Cache
Avoids requesting the notification permission on page load
Displays images with correct aspect ratio
Detected JavaScript libraries
Page has the HTML doctype
Allows users to paste into password fields
noticias.uol.com.br Mobile Progressive Web App
21/100
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)
PWA Optimized
Manifest doesn't have a maskable icon
Is not configured for a custom splash screen
Does not provide a valid `apple-touch-icon`
Does not set a theme color for the address bar.
Installable
Does not register a service worker that controls page and `start_url`
Does not use HTTPS
1 insecure request found
Web app manifest does not meet the installability requirements
Fast and reliable
Current page does not respond with a 200 when offline
`start_url` does not respond with a 200 when offline
Page load is not fast enough on mobile networks
Interactive at 18.6 s
Passed Audits (4)
Contains some content when JavaScript is not available
Content is sized correctly for the viewport
Redirects HTTP traffic to HTTPS
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
noticias.uol.com.br Mobile 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)
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.
Links do not have a discernible name
Image elements do not have `[alt]` attributes
Navigation
These are opportunities to improve keyboard navigation in your application.
Heading elements are not in a sequentially-descending order
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)
`[aria-*]` attributes match their roles
`[aria-hidden="true"]` is not present on the document `<body>`
`[aria-*]` attributes have valid values
List items (`<li>`) are contained within `<ul>` or `<ol>` parent elements
`<html>` element has a `[lang]` attribute
`<frame>` or `<iframe>` elements have a title
Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
`[role]`s have all required `[aria-*]` attributes
`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
`[role]`s are contained by their required parent element
`<html>` element has a valid value for its `[lang]` attribute
Buttons have an accessible name
`[id]` attributes on active, focusable elements are unique
The page contains a heading, skip link, or landmark region
Document has a `<title>` element
`[aria-*]` attributes are valid and not misspelled
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
Mobile Usability
99/100
These checks validate how easily a visitor can use noticias.uol.com.br on a mobile device. Test results include a list of any mobile usability problems. Mobile usability problems are issues that can affect a user that visits the page on a mobile (small screen) device, including small font sizes (which are hard to read on a small screen).
Should Fix (1)
Size tap targets appropriately
Passed Audits (5)
Avoid app install interstitials that hide content
Avoid plugins
Configure the viewport
Size content to viewport
Use legible font sizes
Mobile Speed
57/100
These checks analyze the performance of noticias.uol.com.br on mobile devices and return PageSpeed score and information on how to improve the load time. What makes a good Progressive Web App?
Should Fix (5)
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Leverage browser caching
Enable compression
Optimize images
Minify HTML
Passed Audits (5)
Avoid landing page redirects
Reduce server response time
Minify CSS
Minify JavaScript
Prioritize visible content
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