Access operating-system.org. Documentation of Operating Systems and Producers

Report Summary

About Website

Click here to check amazing Operating System content for India. Otherwise, check out these important facts you probably never knew about operating-system.org

Independent website to preserve informations about history of operating systems in long term.

Visit operating-system.org

name

value

score

weighting

FCP (First Contentful Paint)

Value1.3 s

98/100

10%

LCP (Largest Contentful Paint)

Value1.3 s

100/100

25%

SI (Speed Index)

Value1.7 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.3 s

100/100

10%

operating-system.org

533 ms

cse.js

2034 ms

adsbygoogle.js

165 ms

default.css

154 ms

cookieconsent.latest.min.js

109 ms

Our browser made a total of 48 requests to load all elements on the main page. We found that 73% of them (35 requests) were addressed to the original Operating-system.org, 8% (4 requests) were made to Pagead2.googlesyndication.com and 8% (4 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (2.5 sec) relates to the external source Googleads.g.doubleclick.net.

Content Size

582.9 kB

After Optimization

360.0 kB

In fact, the total size of Operating-system.org main page is 582.9 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 50% of websites need less resources to load. Javascripts take 409.8 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 19.6 kB

Original 26.5 kB
After minification 24.7 kB
After compression 6.9 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 19.6 kB or 74% of the original size.

Image Optimization

-1%

Potential reduce by 776 B

Original 127.8 kB
After minification 127.1 kB

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. Operating System images are well optimized though.

JavaScript Optimization

-46%

Potential reduce by 188.0 kB

Original 409.8 kB
After minification 409.6 kB
After compression 221.8 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 188.0 kB or 46% of the original size.

CSS Optimization

-77%

Potential reduce by 14.5 kB

Original 18.7 kB
After minification 15.4 kB
After compression 4.3 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. Operating-system.org needs all CSS files to be minified and compressed as it can save up to 14.5 kB or 77% of the original size.

Requests Now

After Optimization

The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Operating System. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

Links do not have a discernible name

Search Engine Optimization Advices

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

ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Operating-system.org 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 Operating-system.org main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

operating-system.org

Open Graph description is not detected on the main page of Operating System. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks:

Report Summary

Performance

Accessibility

Best Practices

SEO

Documentation of Operating Systems and Producers - Independent Website

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)