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Report Summary

About Website

Welcome to open.microsoft.com homepage info - get ready to check Open Microsoft best content for United States right away, or after learning these important things about open.microsoft.com

Read the latest insights and news about Microsoft's Open Source practices, standards, and interoperability from Microsoft's team of experts.

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name

value

score

weighting

FCP (First Contentful Paint)

Value5.0 s

9/100

10%

LCP (Largest Contentful Paint)

Value9.4 s

1/100

25%

SI (Speed Index)

Value8.4 s

18/100

10%

TBT (Total Blocking Time)

Value460 ms

62/100

30%

CLS (Cumulative Layout Shift)

Value0.051

99/100

15%

TTI (Time to Interactive)

Value19.4 s

2/100

10%

110 ms

415 ms

style.min.css

88 ms

moray-style.css

100 ms

style.css

2110 ms

Our browser made a total of 58 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Open.microsoft.com, 16% (9 requests) were made to C.s-microsoft.com and 5% (3 requests) were made to Microsoft.com. The less responsive or slowest element that took the longest time to load (2.1 sec) relates to the external source Opensource.microsoft.com.

Content Size

3.0 MB

After Optimization

2.1 MB

In fact, the total size of Open.microsoft.com main page is 3.0 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 65% of websites need less resources to load. Images take 2.0 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 173.8 kB

Original 203.9 kB
After minification 188.0 kB
After compression 30.0 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 173.8 kB or 85% of the original size.

Image Optimization

-5%

Potential reduce by 92.5 kB

Original 2.0 MB
After minification 1.9 MB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Open Microsoft images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 250.8 kB

Original 370.9 kB
After minification 363.6 kB
After compression 120.1 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 250.8 kB or 68% of the original size.

CSS Optimization

-85%

Potential reduce by 365.1 kB

Original 431.7 kB
After minification 431.0 kB
After compression 66.6 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Open.microsoft.com needs all CSS files to be minified and compressed as it can save up to 365.1 kB or 85% of the original size.

Requests Now

After Optimization

The browser has sent 45 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Open Microsoft. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Page has valid source maps

Search Engine Optimization Advices

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

High

Links are not crawlable

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](https://developers.google.com/search/mobile-sites/).

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

EN
Language Claimed

EN
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Open.microsoft.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Open.microsoft.com main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

open.microsoft.com

Open Graph data is detected on the main page of Open Microsoft. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook:

Report Summary

Performance

Accessibility

Best Practices

SEO

Microsoft Open Source Blog | Open Source Insights & Standards

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)