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Virtualheb.co.uk Desktop Performance

virtualheb.co.uk Desktop Performance

78/100

These metrics represent real-world Chrome users experience viewing virtualheb.co.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

Cumulative Layout Shift

Largest Contentful Paint

First Input Delay

Metrics

Speed Index2/100 5.8 s

Speed Index shows how quickly the contents of a page are visibly populated. Learn more.

First Contentful Paint77/100 1.2 s

First Contentful Paint marks the time at which the first text or image is painted. Learn more.

Largest Contentful Paint86/100 1.3 s

Largest Contentful Paint marks the time at which the largest text or image is painted. 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.

Cumulative Layout Shift100/100 0

Cumulative Layout Shift measures the movement of visible elements within the viewport. 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 (16)

Opportunities

These suggestions can help your page load faster. They don't directly affect the Performance score.

Eliminate render-blocking resources

Potential savings of 670 ms

670 ms

Serve images in next-gen formats

Potential savings of 1,499 KiB

400 ms

Efficiently encode images

Potential savings of 1,371 KiB

360 ms

Reduce initial server response time

Root document took 950 ms

351 ms

Remove unused JavaScript

Potential savings of 169 KiB

160 ms

Enable text compression

Potential savings of 101 KiB

120 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

Serve static assets with an efficient cache policy

82 resources found

Avoid an excessive DOM size

1,090 elements

Avoids enormous network payloads

Total size was 2,589 KiB

Keep request counts low and transfer sizes small

102 requests • 2,589 KiB

Avoid large layout shifts

5 elements found

Avoid long main-thread tasks

1 long task found

User Timing marks and measures

2 user timings

Largest Contentful Paint element

1 element found

Avoid chaining critical requests

15 chains found

Passed Audits (14)

Remove unused CSS

Preconnect to required origins

All text remains visible during webfont loads

Minify CSS

Minify JavaScript

Potential savings of 4 KiB

Avoids `document.write()`

Use video formats for animated content

Minimize third-party usage

Third-party code blocked the main thread for 0 ms

Defer offscreen images

JavaScript execution time

0.3 s

Minimizes main-thread work

0.9 s

Avoid multiple page redirects

Potential savings of 190 ms

Preload key requests

Properly size images

Virtualheb.co.uk Desktop SEO

virtualheb.co.uk Desktop SEO

73/100

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)

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Image elements do not have `[alt]` attributes

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`

Crawling and Indexing

To appear in search results, crawlers need access to your app.

robots.txt is not valid

Passed Audits (8)

Page isn’t blocked from indexing

Document has a meta description

Links have descriptive text

Document has a `<title>` element

Document avoids plugins

Page has successful HTTP status code

Links are crawlable

Document has a valid `hreflang`

Virtualheb.co.uk Desktop Best Practices

virtualheb.co.uk Desktop Best Practices

62/100

These checks highlight opportunities to improve the overall code health of virtualheb.co.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 (5)

General

Browser errors were logged to the console

Trust and Safety

Includes front-end JavaScript libraries with known security vulnerabilities

6 vulnerabilities detected

Does not use HTTPS

2 insecure requests found

User Experience

Displays images with incorrect aspect ratio

Browser Compatibility

Page lacks the HTML doctype, thus triggering quirks-mode

Passed Audits (9)

Detected JavaScript libraries

Avoids requesting the notification permission on page load

Allows users to paste into password fields

Avoids Application Cache

Links to cross-origin destinations are safe

Avoids requesting the geolocation permission on page load

Avoids deprecated APIs

Serves images with appropriate resolution

Properly defines charset

Virtualheb.co.uk Desktop Progressive Web App

virtualheb.co.uk Desktop Progressive Web App

11/100

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 (11)

PWA Optimized

Does not set a theme color for the address bar.

Does not have a `<meta name="viewport">` tag with `width` or `initial-scale`

Manifest doesn't have a maskable icon

Is not configured for a custom splash screen

Does not provide a valid `apple-touch-icon`

Fast and reliable

Page load is not fast enough on mobile networks

Interactive on simulated mobile network at 15.4 s

`start_url` does not respond with a 200 when offline

Current page does not respond with a 200 when offline

Installable

Web app manifest does not meet the installability requirements

Does not use HTTPS

2 insecure requests found

Does not register a service worker that controls page and `start_url`

Passed Audits (2)

Contains some content when JavaScript is not available

Redirects HTTP traffic to HTTPS

Virtualheb.co.uk Desktop Accessibility

virtualheb.co.uk Desktop Accessibility

77/100

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 (6)

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.

Image elements do not have `[alt]` attributes

Form elements do not have associated labels

`<input type="image">` elements do not have `[alt]` text

Links do not have a discernible name

`<frame>` or `<iframe>` elements do not have a title

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

`<html>` element does not have a `[lang]` attribute

Passed Audits (20)

Heading elements appear in a sequentially-descending order

`[id]` attributes on active, focusable elements are unique

The page contains a heading, skip link, or landmark region

`[role]`s have all required `[aria-*]` attributes

`[aria-hidden="true"]` is not present on the document `<body>`

`[aria-*]` attributes are valid and not misspelled

Cells in a `<table>` element that use the `[headers]` attribute refer to table cells within the same table.

`[role]` values are valid

Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.

`[role]`s are contained by their required parent element

Presentational `<table>` elements avoid using `<th>`, `<caption>` or the `[summary]` attribute.

Document has a `<title>` element

ARIA IDs are unique

`[aria-*]` attributes match their roles

No element has a `[tabindex]` value greater than 0

List items (`<li>`) are contained within `<ul>` or `<ol>` parent elements

`[aria-*]` attributes have valid values

Background and foreground colors have a sufficient contrast ratio

Buttons have an accessible name

Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).

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