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amazon.com.br Mobile Performance
47/100
These metrics represent real-world Chrome users experience viewing amazon.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
First Contentful Paint
Largest Contentful Paint
Cumulative Layout Shift
First Input Delay
Metrics
Largest Contentful Paint8/100 6.7 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn More
Speed Index46/100 6.0 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more.
Time to Interactive46/100 7.7 s
Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more.
First Contentful Paint61/100 3.6 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more.
Total Blocking Time69/100 450 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more.
Cumulative Layout Shift100/100 0
Cumulative Layout Shift measures the movement of visible elements within the viewport. Learn more.
Should Fix (17)
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 1,082 KiB
5,760 ms
Efficiently encode images
Potential savings of 716 KiB
3,750 ms
Avoid multiple page redirects
Potential savings of 1,110 ms
1,110 ms
Properly size images
Potential savings of 105 KiB
600 ms
Remove unused JavaScript
Potential savings of 41 KiB
510 ms
Reduce initial server response time
Root document took 690 ms
88 ms
Diagnostics
More information about the performance of your application. These numbers don't directly affect the Performance score.
Does not use passive listeners to improve scrolling performance
Reduce the impact of third-party code
Third-party code blocked the main thread for 1,220 ms
Ensure text remains visible during webfont load
Serve static assets with an efficient cache policy
24 resources found
Minimize main-thread work
7.0 s
Reduce JavaScript execution time
3.6 s
Avoid enormous network payloads
Total size was 3,461 KiB
Avoid chaining critical requests
4 chains found
Largest Contentful Paint element
1 element found
Keep request counts low and transfer sizes small
224 requests • 3,461 KiB
Avoid long main-thread tasks
13 long tasks found
Passed Audits (11)
Enable text compression
Defer offscreen images
Potential savings of 11 KiB
Use video formats for animated content
Preload key requests
Preconnect to required origins
Eliminate render-blocking resources
Potential savings of 0 ms
Remove unused CSS
Potential savings of 49 KiB
Minify JavaScript
Avoids an excessive DOM size
534 elements
Minify CSS
Avoids `document.write()`
amazon.com.br Mobile SEO
100/100
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.
Passed Audits (14)
robots.txt is valid
Links are crawlable
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Document has a `<title>` element
Links have descriptive text
Page has successful HTTP status code
Document avoids plugins
Image elements have `[alt]` attributes
Document uses legible font sizes
92.32% legible text
Tap targets are sized appropriately
100% appropriately sized tap targets
Document has a valid `rel=canonical`
Page isn’t blocked from indexing
Document has a valid `hreflang`
Document has a meta description
amazon.com.br Mobile Best Practices
85/100
These checks highlight opportunities to improve the overall code health of amazon.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 (2)
Trust and Safety
Does not use HTTPS
1 insecure request found
General
Browser errors were logged to the console
Passed Audits (12)
Links to cross-origin destinations are safe
Detected JavaScript libraries
Avoids requesting the geolocation permission on page load
Avoids deprecated APIs
Displays images with correct aspect ratio
Serves images with appropriate resolution
Allows users to paste into password fields
Avoids front-end JavaScript libraries with known security vulnerabilities
Avoids Application Cache
Properly defines charset
Page has the HTML doctype
Avoids requesting the notification permission on page load
amazon.com.br Mobile Progressive Web App
86/100
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 (3)
PWA Optimized
Does not provide a valid `apple-touch-icon`
Does not set a theme color for the address bar.
Installable
Does not use HTTPS
1 insecure request found
Passed Audits (11)
Content is sized correctly for the viewport
`start_url` responds with a 200 when offline
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Web app manifest meets the installability requirements
Configured for a custom splash screen
Page load is fast enough on mobile networks
Contains some content when JavaScript is not available
Current page responds with a 200 when offline
Redirects HTTP traffic to HTTPS
Manifest has a maskable icon
Registers a service worker that controls page and `start_url`
amazon.com.br Mobile Accessibility
94/100
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 (1)
Best practices
These items highlight common accessibility best practices.
`[user-scalable="no"]` is used in the `<meta name="viewport">` element or the `[maximum-scale]` attribute is less than 5.
Passed Audits (25)
`<video>` elements contain a `<track>` element with `[kind="captions"]`
Links have a discernible name
`[aria-hidden="true"]` is not present on the document `<body>`
Document has a `<title>` element
Buttons have an accessible name
Form elements have associated labels
List items (`<li>`) are contained within `<ul>` or `<ol>` parent elements
No element has a `[tabindex]` value greater than 0
`<video>` elements contain a `<track>` element with `[kind="description"]`
`<html>` element has a `[lang]` attribute
Image elements have `[alt]` attributes
Background and foreground colors have a sufficient contrast ratio
The page contains a heading, skip link, or landmark region
`[aria-*]` attributes match their roles
`[id]` attributes on active, focusable elements are unique
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
`[aria-hidden="true"]` elements do not contain focusable descendents
`[aria-*]` attributes are valid and not misspelled
`[role]`s have all required `[aria-*]` attributes
`[role]`s are contained by their required parent element
`<html>` element has a valid value for its `[lang]` attribute
Heading elements appear in a sequentially-descending order
`[aria-*]` attributes have valid values
`[role]` values are valid
Mobile Usability
99/100
These checks validate how easily a visitor can use amazon.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 (4)
Avoid plugins
Configure the viewport
Size content to viewport
Use legible font sizes
Mobile Speed
41/100
These checks analyze the performance of amazon.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 (4)
Optimize images
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Avoid landing page redirects
Leverage browser caching
Passed Audits (6)
Enable compression
Reduce server response time
Minify CSS
Minify HTML
Minify JavaScript
Prioritize visible content
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