Amazon.ca Robot Check
amazon.ca Mobile Performance
51/100
These metrics represent real-world Chrome users experience viewing amazon.ca 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 Contentful Paint
First Input Delay
Metrics
Largest Contentful Paint0/100 15.8 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn More
Time to Interactive47/100 7.6 s
Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more.
Speed Index52/100 5.7 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more.
First Contentful Paint65/100 3.4 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more.
Total Blocking Time87/100 310 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 (12)
Opportunities
These suggestions can help your page load faster. They don't directly affect the Performance score.
Remove unused JavaScript
Potential savings of 48 KiB
2,380 ms
Avoid multiple page redirects
Potential savings of 1,110 ms
1,110 ms
Diagnostics
More information about the performance of your application. These numbers don't directly affect the Performance score.
Reduce the impact of third-party code
Third-party code blocked the main thread for 940 ms
Does not use passive listeners to improve scrolling performance
Avoid `document.write()`
Ensure text remains visible during webfont load
Minimize main-thread work
6.0 s
Reduce JavaScript execution time
3.1 s
Avoid chaining critical requests
4 chains found
Keep request counts low and transfer sizes small
214 requests • 1,781 KiB
Largest Contentful Paint element
1 element found
Avoid long main-thread tasks
15 long tasks found
Passed Audits (16)
Uses efficient cache policy on static assets
20 resources found
Avoids an excessive DOM size
587 elements
Efficiently encode images
Defer offscreen images
Potential savings of 67 KiB
Use video formats for animated content
Minify CSS
Initial server response time was short
Root document took 590 ms
Remove unused CSS
Potential savings of 49 KiB
Preconnect to required origins
Avoids enormous network payloads
Total size was 1,781 KiB
Minify JavaScript
Serve images in next-gen formats
Preload key requests
Enable text compression
Properly size images
Eliminate render-blocking resources
amazon.ca 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
Document uses legible font sizes
93.06% legible text
Tap targets are sized appropriately
100% appropriately sized tap targets
Page has successful HTTP status code
Document has a valid `hreflang`
Page isn’t blocked from indexing
Document has a `<title>` element
Links have descriptive text
Document has a meta description
Document has a valid `rel=canonical`
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Document avoids plugins
Image elements have `[alt]` attributes
Links are crawlable
amazon.ca Mobile Best Practices
77/100
These checks highlight opportunities to improve the overall code health of amazon.ca 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 (3)
Trust and Safety
Does not use HTTPS
1 insecure request found
General
Browser errors were logged to the console
User Experience
Serves images with low resolution
Passed Audits (11)
Page has the HTML doctype
Avoids requesting the notification permission on page load
Avoids Application Cache
Avoids deprecated APIs
Detected JavaScript libraries
Allows users to paste into password fields
Displays images with correct aspect ratio
Avoids front-end JavaScript libraries with known security vulnerabilities
Links to cross-origin destinations are safe
Properly defines charset
Avoids requesting the geolocation permission on page load
amazon.ca 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)
Redirects HTTP traffic to HTTPS
Registers a service worker that controls page and `start_url`
`start_url` responds with a 200 when offline
Configured for a custom splash screen
Content is sized correctly for the viewport
Current page responds with a 200 when offline
Page load is fast enough on mobile networks
Web app manifest meets the installability requirements
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Manifest has a maskable icon
Contains some content when JavaScript is not available
amazon.ca Mobile Accessibility
0/100
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.
`[id]` attributes on active, focusable elements are not unique
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
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.
Form elements do not have associated labels
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.
Contrast
These are opportunities to improve the legibility of your content.
Background and foreground colors have a sufficient contrast ratio
Passed Audits (19)
The page contains a heading, skip link, or landmark region
`[aria-*]` attributes are valid and not misspelled
Buttons have an accessible name
No element has a `[tabindex]` value greater than 0
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
`[role]` values are valid
Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
Links have a discernible name
`[aria-*]` attributes match their roles
`[role]`s are contained by their required parent element
Document has a `<title>` element
`[role]`s have all required `[aria-*]` attributes
Heading elements appear in a sequentially-descending order
`[aria-hidden="true"]` is not present on the document `<body>`
`[aria-*]` attributes have valid values
`<html>` element has a `[lang]` attribute
List items (`<li>`) are contained within `<ul>` or `<ol>` parent elements
Image elements have `[alt]` attributes
`<html>` element has a valid value for its `[lang]` attribute
Mobile Usability
100/100
These checks validate how easily a visitor can use amazon.ca 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).
Passed Audits (5)
Avoid plugins
Configure the viewport
Size content to viewport
Size tap targets appropriately
Use legible font sizes
Mobile Speed
53/100
These checks analyze the performance of amazon.ca 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)
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Avoid landing page redirects
Prioritize visible content
Leverage browser caching
Passed Audits (6)
Enable compression
Reduce server response time
Minify CSS
Minify HTML
Minify JavaScript
Optimize images
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