Report Summary

  • 26

    Performance

    Renders faster than
    46% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 64% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    34% of websites

  • 86

    SEO

    Google-friendlier than
    66% of websites

os-community.de

OScommunity | goodbye

Page Load Speed

5 sec in total

First Response

1.1 sec

Resources Loaded

3.7 sec

Page Rendered

188 ms

os-community.de screenshot

About Website

Click here to check amazing OScommunity content for United States. Otherwise, check out these important facts you probably never knew about os-community.de

Visit os-community.de

Key Findings

We analyzed Os-community.de page load time and found that the first response time was 1.1 sec and then it took 3.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

os-community.de performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.6 s

6/100

10%

LCP (Largest Contentful Paint)

Value10.3 s

0/100

25%

SI (Speed Index)

Value10.6 s

7/100

10%

TBT (Total Blocking Time)

Value1,220 ms

20/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value9.2 s

32/100

10%

Network Requests Diagram

www.os-community.de

1095 ms

merged.css

924 ms

newsfeed.css

536 ms

chrome.css

535 ms

script.js

1315 ms

Our browser made a total of 76 requests to load all elements on the main page. We found that 14% of them (11 requests) were addressed to the original Os-community.de, 24% (18 requests) were made to Static-js.sb6.stayblue.de and 11% (8 requests) were made to Static-a1.stayblue.de. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Static-js.sb6.stayblue.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 949.2 kB (58%)

Content Size

1.6 MB

After Optimization

695.6 kB

In fact, the total size of Os-community.de main page is 1.6 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. 40% of websites need less resources to load. Javascripts take 720.4 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 66.5 kB

  • Original 80.3 kB
  • After minification 79.7 kB
  • After compression 13.8 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 66.5 kB or 83% of the original size.

Image Optimization

-31%

Potential reduce by 210.0 kB

  • Original 673.5 kB
  • After minification 463.5 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. Obviously, OScommunity needs image optimization as it can save up to 210.0 kB or 31% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-74%

Potential reduce by 532.8 kB

  • Original 720.4 kB
  • After minification 717.9 kB
  • After compression 187.6 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 532.8 kB or 74% of the original size.

CSS Optimization

-82%

Potential reduce by 139.8 kB

  • Original 170.5 kB
  • After minification 164.6 kB
  • After compression 30.7 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-community.de needs all CSS files to be minified and compressed as it can save up to 139.8 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 22 (29%)

Requests Now

75

After Optimization

53

The browser has sent 75 CSS, Javascripts, AJAX and image requests in order to completely render the main page of OScommunity. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

os-community.de accessibility score

83

Accessibility Issues

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

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-community.de best practices score

67

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

High

Browser errors were logged to the console

SEO Factors

os-community.de SEO score

86

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Page is blocked from indexing

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 uses legible font sizes

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-community.de 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-community.de 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 Graph description is not detected on the main page of OScommunity. 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: