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.NET is a developer platform with tools and libraries for building any type of app, including web, mobile, desktop, gaming, IoT, cloud, and microservi...

windows.net Desktop Performance
90/100
These metrics represent real-world Chrome users experience viewing windows.net 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
First Contentful Paint
First Input Delay
Cumulative Layout Shift
Metrics
First Contentful Paint70/100 1.3 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more.
Largest Contentful Paint85/100 1.4 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn More
Speed Index91/100 1.3 s
Speed Index shows how quickly the contents of a page are visibly populated. 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.
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.
Cumulative Layout Shift100/100 0.036
Cumulative Layout Shift measures the movement of visible elements within the viewport. Learn more.
Should Fix (11)
Opportunities
These suggestions can help your page load faster. They don't directly affect the Performance score.
Eliminate render-blocking resources
Potential savings of 450 ms
454 ms
Avoid multiple page redirects
Potential savings of 380 ms
380 ms
Remove unused CSS
Potential savings of 63 KiB
120 ms
Remove unused JavaScript
Potential savings of 75 KiB
120 ms
Diagnostics
More information about the performance of your application. These numbers don't directly affect the Performance score.
Avoid `document.write()`
Ensure text remains visible during webfont load
Serve static assets with an efficient cache policy
11 resources found
Avoid chaining critical requests
14 chains found
Largest Contentful Paint element
1 element found
Keep request counts low and transfer sizes small
38 requests • 501 KiB
Avoid large layout shifts
5 elements found
Passed Audits (17)
Preload key requests
Minimize third-party usage
Third-party code blocked the main thread for 0 ms
Defer offscreen images
Initial server response time was short
Root document took 110 ms
Efficiently encode images
Properly size images
Potential savings of 30 KiB
Uses passive listeners to improve scrolling performance
Enable text compression
Preconnect to required origins
Minify JavaScript
Minimizes main-thread work
0.5 s
JavaScript execution time
0.1 s
Use video formats for animated content
Serve images in next-gen formats
Potential savings of 13 KiB
Avoids an excessive DOM size
337 elements
Avoids enormous network payloads
Total size was 501 KiB
Minify CSS

windows.net Desktop SEO
83/100
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 (2)
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
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Links are not crawlable
Passed Audits (10)
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Document has a valid `hreflang`
Image elements have `[alt]` attributes
Document has a valid `rel=canonical`
Page has successful HTTP status code
Document avoids plugins
Document has a `<title>` element
robots.txt is valid
Document has a meta description
Page isn’t blocked from indexing

windows.net Desktop Best Practices
77/100
These checks highlight opportunities to improve the overall code health of windows.net 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)
General
Browser errors were logged to the console
Trust and Safety
Does not use HTTPS
2 insecure requests found
Links to cross-origin destinations are unsafe
Passed Audits (11)
Detected JavaScript libraries
Avoids Application Cache
Avoids requesting the notification permission on page load
Page has the HTML doctype
Avoids deprecated APIs
Avoids front-end JavaScript libraries with known security vulnerabilities
Avoids requesting the geolocation permission on page load
Properly defines charset
Displays images with correct aspect ratio
Serves images with appropriate resolution
Allows users to paste into password fields

windows.net Desktop Progressive Web App
48/100
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)
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.
Fast and reliable
Current page does not respond with a 200 when offline
`start_url` does not respond with a 200 when offline
Installable
Does not use HTTPS
2 insecure requests found
Web app manifest does not meet the installability requirements
Does not register a service worker that controls page and `start_url`
Passed Audits (5)
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Page load is fast enough on mobile networks
Provides a valid `apple-touch-icon`
Contains some content when JavaScript is not available
Redirects HTTP traffic to HTTPS

windows.net Desktop 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 (25)
Image elements have `[alt]` attributes
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
`[aria-hidden="true"]` is not present on the document `<body>`
`[role]`s have all required `[aria-*]` attributes
The page contains a heading, skip link, or landmark region
`[aria-*]` attributes match their roles
`[aria-hidden="true"]` elements do not contain focusable descendents
`[role]`s are contained by their required parent element
`[role]` values are valid
Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
Background and foreground colors have a sufficient contrast ratio
No element has a `[tabindex]` value greater than 0
List items (`<li>`) are contained within `<ul>` or `<ol>` parent elements
`<html>` element has a `[lang]` attribute
`<html>` element has a valid value for its `[lang]` attribute
`[aria-*]` attributes are valid and not misspelled
`[id]` attributes on active, focusable elements are unique
`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
Links have a discernible name
`[aria-*]` attributes have valid values
Buttons have an accessible name
Document has a `<title>` element
`<frame>` or `<iframe>` elements have a title
ARIA IDs are unique
Heading elements appear in a sequentially-descending order

Desktop Speed
83/100
These checks analyze the performance of windows.net 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)
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Enable compression
Leverage browser caching
Reduce server response time
Minify JavaScript
Minify HTML
Passed Audits (4)
Avoid landing page redirects
Minify CSS
Optimize images
Prioritize visible content
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