Amazon.ca Robot Check
amazon.ca Desktop Performance
79/100
These metrics represent real-world Chrome users experience viewing amazon.ca 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
Cumulative Layout Shift
First Contentful Paint
First Input Delay
Metrics
Speed Index34/100 2.7 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more.
Largest Contentful Paint62/100 2.0 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn More
First Contentful Paint87/100 1.0 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more.
Cumulative Layout Shift99/100 0.051
Cumulative Layout Shift measures the movement of visible elements within the viewport. Learn more.
Time to Interactive100/100 1.2 s
Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more.
Total Blocking Time100/100 10 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more.
Should Fix (16)
Opportunities
These suggestions can help your page load faster. They don't directly affect the Performance score.
Avoid multiple page redirects
Potential savings of 340 ms
340 ms
Remove unused JavaScript
Potential savings of 130 KiB
210 ms
Serve images in next-gen formats
Potential savings of 206 KiB
160 ms
Properly size images
Potential savings of 70 KiB
90 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
Ensure text remains visible during webfont load
Avoid `document.write()`
Avoid an excessive DOM size
1,727 elements
Avoid enormous network payloads
Total size was 4,159 KiB
Minimize main-thread work
2.2 s
JavaScript execution time
1.2 s
Keep request counts low and transfer sizes small
341 requests • 4,159 KiB
Avoid large layout shifts
5 elements found
Largest Contentful Paint element
1 element found
Avoid chaining critical requests
3 chains found
Avoid long main-thread tasks
1 long task found
Passed Audits (13)
Remove unused CSS
Potential savings of 74 KiB
Preload key requests
Initial server response time was short
Root document took 430 ms
Minimize third-party usage
Third-party code blocked the main thread for 10 ms
Enable text compression
Eliminate render-blocking resources
Efficiently encode images
Potential savings of 39 KiB
Minify JavaScript
Use video formats for animated content
Defer offscreen images
Uses efficient cache policy on static assets
14 resources found
Minify CSS
Preconnect to required origins
amazon.ca 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
9 links found
Mobile Friendly
Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. Learn more.
Does not have a `<meta name="viewport">` tag with `width` or `initial-scale`
Passed Audits (9)
Page has successful HTTP status code
Document avoids plugins
Document has a valid `rel=canonical`
Image elements have `[alt]` attributes
Document has a `<title>` element
Document has a meta description
Document has a valid `hreflang`
robots.txt is valid
Page isn’t blocked from indexing
amazon.ca Desktop Best Practices
85/100
These checks highlight opportunities to improve the overall code health of amazon.ca 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)
Avoids requesting the geolocation permission on page load
Properly defines charset
Allows users to paste into password fields
Avoids Application Cache
Avoids front-end JavaScript libraries with known security vulnerabilities
Avoids deprecated APIs
Detected JavaScript libraries
Avoids requesting the notification permission on page load
Displays images with correct aspect ratio
Links to cross-origin destinations are safe
Page has the HTML doctype
Serves images with appropriate resolution
amazon.ca Desktop Progressive Web App
30/100
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
Is not configured for a custom splash screen
Manifest doesn't have a maskable icon
Does not set a theme color for the address bar.
Does not provide a valid `apple-touch-icon`
Does not have a `<meta name="viewport">` tag with `width` or `initial-scale`
Fast and reliable
Page load is not fast enough on mobile networks
Interactive on simulated mobile network at 25.4 s
`start_url` does not respond with a 200 when offline
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
Passed Audits (3)
Current page responds with a 200 when offline
Contains some content when JavaScript is not available
Redirects HTTP traffic to HTTPS
amazon.ca Desktop 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 (3)
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
Navigation
These are opportunities to improve keyboard navigation in your application.
Some elements have a `[tabindex]` value greater than 0
Contrast
These are opportunities to improve the legibility of your content.
Background and foreground colors do not have a sufficient contrast ratio.
Passed Audits (23)
`[role]`s are contained by their required parent element
Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
`<html>` element has a `[lang]` attribute
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
`[aria-hidden="true"]` is not present on the document `<body>`
`[role]` values are valid
ARIA IDs are unique
Image elements have `[alt]` attributes
List items (`<li>`) are contained within `<ul>` or `<ol>` parent elements
Presentational `<table>` elements avoid using `<th>`, `<caption>` or the `[summary]` attribute.
`[aria-*]` attributes have valid values
Document has a `<title>` element
`[role]`s have all required `[aria-*]` attributes
Heading elements appear in a sequentially-descending order
Cells in a `<table>` element that use the `[headers]` attribute refer to table cells within the same table.
`[aria-*]` attributes match their roles
`[aria-*]` attributes are valid and not misspelled
Buttons have an accessible name
The page contains a heading, skip link, or landmark region
`[id]` attributes on active, focusable elements are unique
`[aria-hidden="true"]` elements do not contain focusable descendents
`<html>` element has a valid value for its `[lang]` attribute
Form elements have associated labels
Desktop Speed
75/100
These checks analyze the performance of amazon.ca 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 (5)
Leverage browser caching
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Avoid landing page redirects
Optimize images
Enable compression
Passed Audits (5)
Reduce server response time
Minify CSS
Minify HTML
Minify JavaScript
Prioritize visible content
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