Ubc.ca The University of British Columbia
The University of British Columbia is a global centre for research and teaching, consistently ranked among the top 20 public universities in the world...
ubc.ca Mobile Performance
68/100
These metrics represent real-world Chrome users experience viewing ubc.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 Input Delay
First Contentful Paint
Metrics
Largest Contentful Paint16/100 5.7 s
Largest Contentful Paint marks the time at which the largest text or image is painted. 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.
Time to Interactive80/100 4.8 s
Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more.
Speed Index88/100 3.6 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more.
Cumulative Layout Shift100/100 0
Cumulative Layout Shift measures the movement of visible elements within the viewport. Learn more.
Total Blocking Time100/100 0 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more.
Should Fix (11)
Opportunities
These suggestions can help your page load faster. They don't directly affect the Performance score.
Properly size images
Potential savings of 262 KiB
1,200 ms
Eliminate render-blocking resources
Potential savings of 1,080 ms
1,080 ms
Remove unused CSS
Potential savings of 157 KiB
750 ms
Serve images in next-gen formats
Potential savings of 8 KiB
150 ms
Diagnostics
More information about the performance of your application. These numbers don't directly affect the Performance score.
Ensure text remains visible during webfont load
Serve static assets with an efficient cache policy
26 resources found
Minimize main-thread work
2.3 s
Avoid long main-thread tasks
5 long tasks found
Largest Contentful Paint element
1 element found
Avoid chaining critical requests
11 chains found
Keep request counts low and transfer sizes small
39 requests • 900 KiB
Passed Audits (17)
Defer offscreen images
Preload key requests
Minify CSS
Avoids an excessive DOM size
382 elements
Initial server response time was short
Root document took 80 ms
Preconnect to required origins
Avoid multiple page redirects
Potential savings of 630 ms
Uses passive listeners to improve scrolling performance
Efficiently encode images
Avoids enormous network payloads
Total size was 900 KiB
Remove unused JavaScript
Minimize third-party usage
Third-party code blocked the main thread for 110 ms
Avoids `document.write()`
JavaScript execution time
0.5 s
Minify JavaScript
Enable text compression
Use video formats for animated content
ubc.ca Mobile SEO
97/100
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)
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.
Tap targets are not sized appropriately
68% appropriately sized tap targets
Passed Audits (12)
Document has a `<title>` element
Document uses legible font sizes
90.83% legible text
Document has a meta description
Page has successful HTTP status code
Page isn’t blocked from indexing
Document has a valid `hreflang`
robots.txt is valid
Links are crawlable
Image elements have `[alt]` attributes
Links have descriptive text
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Document avoids plugins
ubc.ca Mobile Best Practices
85/100
These checks highlight opportunities to improve the overall code health of ubc.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 (2)
Trust and Safety
Includes front-end JavaScript libraries with known security vulnerabilities
4 vulnerabilities detected
Does not use HTTPS
1 insecure request found
Passed Audits (12)
Detected JavaScript libraries
Allows users to paste into password fields
Avoids requesting the geolocation permission on page load
Avoids requesting the notification permission on page load
Links to cross-origin destinations are safe
Serves images with appropriate resolution
No browser errors logged to the console
Avoids deprecated APIs
Page has the HTML doctype
Avoids Application Cache
Displays images with correct aspect ratio
Properly defines charset
ubc.ca Mobile Progressive Web App
50/100
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 (8)
Fast and reliable
`start_url` does not respond with a 200 when offline
Current page does not respond with a 200 when offline
PWA Optimized
Manifest doesn't have a maskable icon
Does not set a theme color for the address bar.
Is not configured for a custom splash screen
Installable
Does not use HTTPS
1 insecure request found
Does not register a service worker that controls page and `start_url`
Web app manifest does not meet the installability requirements
Passed Audits (6)
Contains some content when JavaScript is not available
Page load is fast enough on mobile networks
Content is sized correctly for the viewport
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Provides a valid `apple-touch-icon`
Redirects HTTP traffic to HTTPS
ubc.ca Mobile Accessibility
100/100
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.
Passed Audits (23)
List items (`<li>`) are contained within `<ul>` or `<ol>` parent elements
`[id]` attributes on active, focusable elements are unique
Document has a `<title>` element
Background and foreground colors have a sufficient contrast ratio
Links have a discernible name
`[aria-*]` attributes match their roles
`<html>` element has a valid value for its `[lang]` attribute
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
`[role]` values are valid
`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
Heading elements appear in a sequentially-descending order
`[aria-hidden="true"]` elements do not contain focusable descendents
`[aria-*]` attributes are valid and not misspelled
Image elements have `[alt]` attributes
Buttons have an accessible name
`[aria-hidden="true"]` is not present on the document `<body>`
ARIA IDs are unique
`<html>` element has a `[lang]` attribute
Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
The page contains a heading, skip link, or landmark region
`[role]`s have all required `[aria-*]` attributes
`[role]`s are contained by their required parent element
`[aria-*]` attributes have valid values
Mobile Usability
99/100
These checks validate how easily a visitor can use ubc.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).
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
57/100
These checks analyze the performance of ubc.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
Optimize images
Leverage browser caching
Minify JavaScript
Passed Audits (6)
Avoid landing page redirects
Enable compression
Reduce server response time
Minify CSS
Minify HTML
Prioritize visible content
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