Tools & Wizards About Us
dvbs-online.de screenshot

Report Summary

  • 68

    Performance

    Renders faster than
    80% of other websites

  • 99

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

dvbs-online.de

DVBS - Blinde und sehbehinderte Menschen in Studium und Beruf

Page Load Speed

3.4 sec in total

First Response

742 ms

Resources Loaded

2.4 sec

Page Rendered

322 ms

dvbs-online.de screenshot

About Website

Visit dvbs-online.de now to see the best up-to-date DVBS Online content for Germany and also check out these interesting facts you probably never knew about dvbs-online.de

Deutscher Verein der Blinden und Sehbehinderten in Studium und Beruf – trotz Behinderung selbstbestimmt leben. Seminare, Bildung, Beratung, Jobservice.

Visit dvbs-online.de

Key Findings

We analyzed Dvbs-online.de page load time and found that the first response time was 742 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

dvbs-online.de performance score

68

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

20/100

10%

LCP (Largest Contentful Paint)

Value4.6 s

34/100

25%

SI (Speed Index)

Value6.3 s

42/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.038

100/100

15%

TTI (Time to Interactive)

Value4.2 s

86/100

10%

Network Requests Diagram

dvbs-online.de

742 ms

main.css

322 ms

joomla3.css

623 ms

overrides.css

311 ms

modstyle.css

308 ms

Our browser made a total of 15 requests to load all elements on the main page. We found that all of those requests were addressed to Dvbs-online.de and no external sources were called. The less responsive or slowest element that took the longest time to load (743 ms) belongs to the original domain Dvbs-online.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 569.3 kB (62%)

Content Size

924.3 kB

After Optimization

354.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dvbs-online.de main page is 924.3 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. 20% of websites need less resources to load. CSS take 395.7 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 28.8 kB

  • Original 38.5 kB
  • After minification 38.1 kB
  • After compression 9.8 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 28.8 kB or 75% of the original size.

Image Optimization

-28%

Potential reduce by 90.3 kB

  • Original 326.9 kB
  • After minification 236.6 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, DVBS Online needs image optimization as it can save up to 90.3 kB or 28% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-68%

Potential reduce by 111.1 kB

  • Original 163.1 kB
  • After minification 163.1 kB
  • After compression 52.0 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 111.1 kB or 68% of the original size.

CSS Optimization

-86%

Potential reduce by 339.1 kB

  • Original 395.7 kB
  • After minification 355.5 kB
  • After compression 56.6 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. Dvbs-online.de needs all CSS files to be minified and compressed as it can save up to 339.1 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (71%)

Requests Now

14

After Optimization

4

  • Images
  • JavaScript
  • CSS

The browser has sent 14 CSS, Javascripts, AJAX and image requests in order to completely render the main page of DVBS Online. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

dvbs-online.de

dvbs-online.de

742 ms

main.css

main.css

322 ms

joomla3.css

joomla3.css

623 ms

overrides.css

overrides.css

311 ms

modstyle.css

modstyle.css

308 ms

bootstrap.css

bootstrap.css

743 ms

bootstrap-responsive.css

bootstrap-responsive.css

458 ms

jquery.min.js

jquery.min.js

685 ms

jquery-noconflict.js

jquery-noconflict.js

416 ms

jquery-migrate.min.js

jquery-migrate.min.js

436 ms

caption.js

caption.js

522 ms

bootstrap.min.js

bootstrap.min.js

563 ms

main.js

main.js

630 ms

DVBS-logo.jpg

DVBS-logo.jpg

424 ms

Startseitengrafik2.png

Startseitengrafik2.png

157 ms

Accessibility Review

dvbs-online.de accessibility score

99

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

dvbs-online.de best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

dvbs-online.de SEO score

100

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 uses legible font sizes

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    DE

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dvbs-online.de can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it matches the claimed language. Our system also found out that Dvbs-online.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

dvbs-online.de

Open Graph description is not detected on the main page of DVBS Online. 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: