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os-operating-system.com screenshot

Report Summary

  • 71

    Performance

    Renders faster than
    81% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

os-operating-system.com

Onlineshop für Software und PC Hardware - günstig online kaufen | Softwarebilliger.de

Page Load Speed

4.1 sec in total

First Response

309 ms

Resources Loaded

3.2 sec

Page Rendered

582 ms

os-operating-system.com screenshot

About Website

Visit os-operating-system.com now to see the best up-to-date Os Operating System content and also check out these interesting facts you probably never knew about os-operating-system.com

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Key Findings

We analyzed Os-operating-system.com page load time and found that the first response time was 309 ms and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

os-operating-system.com performance score

71

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

39/100

10%

LCP (Largest Contentful Paint)

Value3.6 s

62/100

25%

SI (Speed Index)

Value6.1 s

45/100

10%

TBT (Total Blocking Time)

Value150 ms

94/100

30%

CLS (Cumulative Layout Shift)

Value0.088

92/100

15%

TTI (Time to Interactive)

Value6.9 s

54/100

10%

Network Requests Diagram

os-operating-system.com

309 ms

www.os-operating-system.com

792 ms

custom.css

199 ms

superfish.css

205 ms

anythingslider.css

197 ms

Our browser made a total of 71 requests to load all elements on the main page. We found that 80% of them (57 requests) were addressed to the original Os-operating-system.com, 10% (7 requests) were made to Translate.googleapis.com and 4% (3 requests) were made to Gstatic.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Os-operating-system.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 469.9 kB (47%)

Content Size

1.0 MB

After Optimization

531.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Os-operating-system.com main page is 1.0 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. 25% of websites need less resources to load. Javascripts take 478.1 kB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 75.8 kB

  • Original 85.5 kB
  • After minification 60.0 kB
  • After compression 9.7 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. This page needs HTML code to be minified as it can gain 25.5 kB, which is 30% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 75.8 kB or 89% of the original size.

Image Optimization

-7%

Potential reduce by 25.1 kB

  • Original 335.6 kB
  • After minification 310.5 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. Os Operating System images are well optimized though.

JavaScript Optimization

-60%

Potential reduce by 286.6 kB

  • Original 478.1 kB
  • After minification 420.0 kB
  • After compression 191.6 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 286.6 kB or 60% of the original size.

CSS Optimization

-81%

Potential reduce by 82.4 kB

  • Original 101.8 kB
  • After minification 75.5 kB
  • After compression 19.4 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. Os-operating-system.com needs all CSS files to be minified and compressed as it can save up to 82.4 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 40 (58%)

Requests Now

69

After Optimization

29

  • Images
  • JavaScript
  • CSS

The browser has sent 69 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Os 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 26 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

os-operating-system.com

os-operating-system.com

309 ms

www.os-operating-system.com

www.os-operating-system.com

792 ms

custom.css

custom.css

199 ms

superfish.css

superfish.css

205 ms

anythingslider.css

anythingslider.css

197 ms

reset.css

reset.css

205 ms

oxid.css

oxid.css

481 ms

element.js

element.js

58 ms

ga.js

ga.js

9 ms

x.png

x.png

180 ms

logo.png

logo.png

183 ms

basket.png

basket.png

184 ms

win-7-home-premium.jpg

win-7-home-premium.jpg

405 ms

__utm.gif

__utm.gif

23 ms

jquery.min.js

jquery.min.js

432 ms

jquery-ui.min.js

jquery-ui.min.js

768 ms

anythingslider.js

anythingslider.js

398 ms

hoverIntent.js

hoverIntent.js

351 ms

supersubs.js

supersubs.js

429 ms

superfish.js

superfish.js

488 ms

oxcenterelementonhover.js

oxcenterelementonhover.js

497 ms

jquery.ba-dotimeout.min.js

jquery.ba-dotimeout.min.js

584 ms

oxflyoutbox.js

oxflyoutbox.js

595 ms

oxloginbox.js

oxloginbox.js

615 ms

oxmodalpopup.js

oxmodalpopup.js

668 ms

oxinputvalidator.js

oxinputvalidator.js

676 ms

oxinnerlabel.js

oxinnerlabel.js

788 ms

oxtopmenu.js

oxtopmenu.js

789 ms

oxslider.js

oxslider.js

798 ms

oxarticlebox.js

oxarticlebox.js

852 ms

oxequalizer.js

oxequalizer.js

859 ms

articleToBasket.js

articleToBasket.js

940 ms

oxflyoutboxinfo.js

oxflyoutboxinfo.js

1007 ms

oxcountdown.js

oxcountdown.js

1008 ms

oxminibasket.js

oxminibasket.js

1008 ms

logo_small.png

logo_small.png

1040 ms

rss.png

rss.png

1037 ms

windows-7-professional-oem-gallery(2).jpg

windows-7-professional-oem-gallery(2).jpg

1121 ms

windows-7-professional-oem-gallery(3).jpg

windows-7-professional-oem-gallery(3).jpg

1135 ms

windowss-7-home-premium-oem-gallery(1).jpg

windowss-7-home-premium-oem-gallery(1).jpg

1131 ms

microsoft-office-basic-2007-mlk.jpg

microsoft-office-basic-2007-mlk.jpg

1166 ms

windows-7-professional-refurbished_single(1).jpg

windows-7-professional-refurbished_single(1).jpg

1213 ms

paypal.png

paypal.png

1220 ms

sofortueberweisung.png

sofortueberweisung.png

1295 ms

creditcard.jpg

creditcard.jpg

1303 ms

transfer.png

transfer.png

1199 ms

nachnahme.png

nachnahme.png

1231 ms

dhl.png

dhl.png

1280 ms

translateelement.css

translateelement.css

52 ms

main.js

main.js

105 ms

windows-7-professional-oem-gallery(4).jpg

windows-7-professional-oem-gallery(4).jpg

1145 ms

windows-xp-professional(2).jpg

windows-xp-professional(2).jpg

1150 ms

microsoft-office-basic-2007-mlk.jpg

microsoft-office-basic-2007-mlk.jpg

1150 ms

element_main.js

element_main.js

40 ms

mcafee-antivirus-plus-2013.jpg

mcafee-antivirus-plus-2013.jpg

1115 ms

windows-7-professional-oem-gallery(6).jpg

windows-7-professional-oem-gallery(6).jpg

1155 ms

terra_pc_e4400_win7home.jpg

terra_pc_e4400_win7home.jpg

1153 ms

background.png

background.png

1581 ms

menu-divider.png

menu-divider.png

1176 ms

arrow-down.png

arrow-down.png

1093 ms

search-logo.png

search-logo.png

1100 ms

vatmsg-bg.png

vatmsg-bg.png

1106 ms

arrows-down.png

arrows-down.png

775 ms

translate_24dp.png

translate_24dp.png

27 ms

l

l

45 ms

googlelogo_color_42x16dp.png

googlelogo_color_42x16dp.png

19 ms

googlelogo_color_68x28dp.png

googlelogo_color_68x28dp.png

13 ms

cleardot.gif

cleardot.gif

35 ms

te_ctrl3.gif

te_ctrl3.gif

13 ms

loading.gif

loading.gif

23 ms

te_bk.gif

te_bk.gif

12 ms

Accessibility Review

os-operating-system.com accessibility score

80

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

button, link, and menuitem elements do not have accessible names.

High

[role]s are not contained by their required parent element

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

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.

Impact

Issue

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

os-operating-system.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

os-operating-system.com SEO score

92

Search Engine Optimization Advices

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

Impact

Issue

High

Document doesn't use legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Os-operating-system.com can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Os-operating-system.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

os-operating-system.com

Open Graph description is not detected on the main page of Os 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: