Bangor.ac.uk Bangor University - Rated Gold in the Teaching Excellence Framework
Bangor University lies next to the Menai Straits at the foot of the Snowdonia National Park, in North Wales, UK. The University was founded in 1884 an...
bangor.ac.uk Desktop Performance
68/100
These metrics represent real-world Chrome users experience viewing bangor.ac.uk 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 Contentful Paint
Largest Contentful Paint
Cumulative Layout Shift
First Input Delay
Metrics
Cumulative Layout Shift4/100 0.881
Cumulative Layout Shift measures the movement of visible elements within the viewport. Learn more.
Largest Contentful Paint37/100 2.9 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn More
Speed Index40/100 2.6 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more.
First Contentful Paint83/100 1.1 s
First Contentful Paint marks the time at which the first text or image is painted. 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.
Time to Interactive100/100 1.3 s
Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more.
Should Fix (13)
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 365 KiB
200 ms
Properly size images
Potential savings of 145 KiB
120 ms
Serve images in next-gen formats
Potential savings of 137 KiB
120 ms
Eliminate render-blocking resources
Potential savings of 110 ms
110 ms
Reduce initial server response time
Root document took 620 ms
20 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
22 resources found
Avoid large layout shifts
5 elements found
Largest Contentful Paint element
1 element found
Avoid long main-thread tasks
1 long task found
Avoid chaining critical requests
13 chains found
Keep request counts low and transfer sizes small
60 requests • 2,007 KiB
Passed Audits (16)
Remove unused CSS
Potential savings of 14 KiB
Minimizes main-thread work
0.6 s
Avoids an excessive DOM size
285 elements
Enable text compression
Minimize third-party usage
Third-party code blocked the main thread for 0 ms
Avoids `document.write()`
Preconnect to required origins
Avoids enormous network payloads
Total size was 2,007 KiB
Minify CSS
Uses passive listeners to improve scrolling performance
Efficiently encode images
Potential savings of 56 KiB
Minify JavaScript
Defer offscreen images
Preload key requests
JavaScript execution time
0.2 s
Use video formats for animated content
bangor.ac.uk Desktop 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 (11)
Page has successful HTTP status code
Links are crawlable
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Document has a valid `hreflang`
robots.txt is valid
Document has a meta description
Page isn’t blocked from indexing
Document avoids plugins
Document has a `<title>` element
Links have descriptive text
Image elements have `[alt]` attributes
bangor.ac.uk Desktop Best Practices
85/100
These checks highlight opportunities to improve the overall code health of bangor.ac.uk 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
Includes front-end JavaScript libraries with known security vulnerabilities
3 vulnerabilities detected
Passed Audits (12)
Allows users to paste into password fields
Displays images with correct aspect ratio
Links to cross-origin destinations are safe
Avoids deprecated APIs
Avoids Application Cache
Detected JavaScript libraries
No browser errors logged to the console
Page has the HTML doctype
Properly defines charset
Avoids requesting the notification permission on page load
Avoids requesting the geolocation permission on page load
Serves images with appropriate resolution
bangor.ac.uk Desktop Progressive Web App
19/100
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)
Fast and reliable
Page load is not fast enough on mobile networks
Interactive on simulated mobile network at 10.1 s
Current page does not respond with a 200 when offline
`start_url` does not respond with a 200 when offline
PWA Optimized
Does not set a theme color for the address bar.
Is not configured for a custom splash screen
Manifest doesn't have a maskable icon
Does not provide a valid `apple-touch-icon`
Installable
Does not use HTTPS
1 insecure request found
Web app manifest does not meet the installability requirements
Does not register a service worker that controls page and `start_url`
Passed Audits (3)
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Contains some content when JavaScript is not available
Redirects HTTP traffic to HTTPS
bangor.ac.uk Desktop Accessibility
78/100
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
Buttons do not have an accessible name
Form elements do not have associated labels
Passed Audits (14)
`[aria-hidden="true"]` elements do not contain focusable descendents
`<html>` element has a valid value for its `[lang]` attribute
`[aria-*]` attributes have valid values
`[aria-*]` attributes are valid and not misspelled
The page contains a heading, skip link, or landmark region
`[id]` attributes on active, focusable elements are unique
Document has a `<title>` element
`[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
`<html>` element has a `[lang]` attribute
Image elements have `[alt]` attributes
`[aria-*]` attributes match their roles
Background and foreground colors have a sufficient contrast ratio
`[aria-hidden="true"]` is not present on the document `<body>`
Desktop Speed
79/100
These checks analyze the performance of bangor.ac.uk 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 (3)
Avoid landing page redirects
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Leverage browser caching
Passed Audits (7)
Enable compression
Reduce server response time
Minify CSS
Minify HTML
Minify JavaScript
Optimize images
Prioritize visible content
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