Cbc.ca
Canada's home for News, Entertainment, Sports, Music and much more
cbc.ca Desktop Performance
31/100
These metrics represent real-world Chrome users experience viewing cbc.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
First Input Delay
First Contentful Paint
Cumulative Layout Shift
Largest Contentful Paint
Metrics
Total Blocking Time2/100 1,320 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more.
Speed Index19/100 3.4 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more.
Time to Interactive30/100 5.8 s
Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more.
Largest Contentful Paint45/100 2.6 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn More
First Contentful Paint48/100 1.6 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more.
Cumulative Layout Shift100/100 0.039
Cumulative Layout Shift measures the movement of visible elements within the viewport. Learn more.
Should Fix (20)
Opportunities
These suggestions can help your page load faster. They don't directly affect the Performance score.
Remove unused JavaScript
Potential savings of 802 KiB
750 ms
Avoid multiple page redirects
Potential savings of 380 ms
380 ms
Serve images in next-gen formats
Potential savings of 68 KiB
200 ms
Eliminate render-blocking resources
Potential savings of 120 ms
120 ms
Properly size images
Potential savings of 112 KiB
120 ms
Remove unused CSS
Potential savings of 84 KiB
120 ms
Efficiently encode images
Potential savings of 33 KiB
80 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 310 ms
Avoid `document.write()`
Serve static assets with an efficient cache policy
87 resources found
Minimize main-thread work
5.8 s
Reduce JavaScript execution time
3.8 s
Avoid an excessive DOM size
1,156 elements
Avoid enormous network payloads
Total size was 3,003 KiB
Avoid large layout shifts
5 elements found
Avoid chaining critical requests
7 chains found
Avoid long main-thread tasks
16 long tasks found
Keep request counts low and transfer sizes small
256 requests • 3,003 KiB
Largest Contentful Paint element
1 element found
Passed Audits (9)
Minify JavaScript
Preload key requests
Defer offscreen images
Potential savings of 17 KiB
Use video formats for animated content
Enable text compression
Minify CSS
Initial server response time was short
Root document took 90 ms
Preconnect to required origins
All text remains visible during webfont loads
cbc.ca Desktop SEO
91/100
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 (1)
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
Passed Audits (10)
Document has a valid `hreflang`
Image elements have `[alt]` attributes
Document has a valid `rel=canonical`
Links are crawlable
Document avoids plugins
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Document has a meta description
Page isn’t blocked from indexing
Document has a `<title>` element
Page has successful HTTP status code
cbc.ca Desktop Best Practices
77/100
These checks highlight opportunities to improve the overall code health of cbc.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 (3)
Trust and Safety
Does not use HTTPS
2 insecure requests found
Links to cross-origin destinations are unsafe
General
Browser errors were logged to the console
Passed Audits (11)
Displays images with correct aspect ratio
Properly defines charset
Serves images with appropriate resolution
Avoids deprecated APIs
Avoids requesting the geolocation permission on page load
Avoids front-end JavaScript libraries with known security vulnerabilities
Detected JavaScript libraries
Avoids Application Cache
Page has the HTML doctype
Allows users to paste into password fields
Avoids requesting the notification permission on page load
cbc.ca Desktop Progressive Web App
22/100
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 (9)
Installable
Does not use HTTPS
2 insecure requests found
Does not register a service worker that controls page and `start_url`
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 on simulated mobile network at 29.3 s
PWA Optimized
Manifest doesn't have a maskable icon
Is not configured for a custom splash screen
Does not set a theme color for the address bar.
Passed Audits (4)
Provides a valid `apple-touch-icon`
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Contains some content when JavaScript is not available
Redirects HTTP traffic to HTTPS
cbc.ca Desktop Accessibility
98/100
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)
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
Passed Audits (25)
`[role]`s have all required `[aria-*]` attributes
`[aria-hidden="true"]` elements do not contain focusable descendents
`[aria-*]` attributes match their roles
`[role]`s are contained by their required parent element
Image elements have `[alt]` attributes
Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
`[aria-*]` attributes have valid values
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
Form elements have associated labels
`[aria-hidden="true"]` is not present on the document `<body>`
`[id]` attributes on active, focusable elements are unique
Buttons have an accessible name
`[aria-*]` attributes are valid and not misspelled
List items (`<li>`) are contained within `<ul>` or `<ol>` parent elements
Background and foreground colors have a sufficient contrast ratio
`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
The page contains a heading, skip link, or landmark region
`<html>` element has a `[lang]` attribute
Document has a `<title>` element
ARIA IDs are unique
`<html>` element has a valid value for its `[lang]` attribute
`[role]` values are valid
`[lang]` attributes have a valid value
Heading elements appear in a sequentially-descending order
No element has a `[tabindex]` value greater than 0
Desktop Speed
59/100
These checks analyze the performance of cbc.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 (6)
Leverage browser caching
Enable compression
Optimize images
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Minify JavaScript
Minify CSS
Passed Audits (4)
Avoid landing page redirects
Reduce server response time
Minify HTML
Prioritize visible content
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