Tools & Wizards About Us
vdv.de screenshot

Report Summary

  • 28

    Performance

    Renders faster than
    47% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

vdv.de

Der Verband Deutscher Verkehrsunternehmen (VDV) stellt sich vor

Page Load Speed

6.4 sec in total

First Response

776 ms

Resources Loaded

5.3 sec

Page Rendered

343 ms

vdv.de screenshot

About Website

Welcome to vdv.de homepage info - get ready to check VDV best content for Germany right away, or after learning these important things about vdv.de

Der Verband Deutscher Verkehrsunternehmen (VDV) setzt sich mit seinen über 600 Mitgliedsunternehmen für die Mobilitätswende ein. Jetzt informieren!

Visit vdv.de

Key Findings

We analyzed Vdv.de page load time and found that the first response time was 776 ms and then it took 5.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

vdv.de performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.7 s

0/100

10%

LCP (Largest Contentful Paint)

Value8.7 s

1/100

25%

SI (Speed Index)

Value9.4 s

12/100

10%

TBT (Total Blocking Time)

Value580 ms

51/100

30%

CLS (Cumulative Layout Shift)

Value0.238

52/100

15%

TTI (Time to Interactive)

Value8.6 s

37/100

10%

Network Requests Diagram

www.vdv.de

776 ms

SharedJavaScriptRepository.ashx

477 ms

WebResource.axd

394 ms

standard-2.css

1550 ms

standard-2.js

895 ms

Our browser made a total of 44 requests to load all elements on the main page. We found that 89% of them (39 requests) were addressed to the original Vdv.de, 5% (2 requests) were made to and 2% (1 request) were made to Static.etracker.com. The less responsive or slowest element that took the longest time to load (2.6 sec) belongs to the original domain Vdv.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.4 MB (28%)

Content Size

5.0 MB

After Optimization

3.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Vdv.de main page is 5.0 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. 40% of websites need less resources to load. Images take 3.7 MB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 283.5 kB

  • Original 379.2 kB
  • After minification 372.3 kB
  • After compression 95.8 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 283.5 kB or 75% of the original size.

Image Optimization

-30%

Potential reduce by 1.1 MB

  • Original 3.7 MB
  • After minification 2.6 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. Obviously, VDV needs image optimization as it can save up to 1.1 MB or 30% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-5%

Potential reduce by 24.5 kB

  • Original 534.7 kB
  • After minification 534.7 kB
  • After compression 510.2 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. This website has mostly compressed JavaScripts.

CSS Optimization

-5%

Potential reduce by 19.9 kB

  • Original 415.1 kB
  • After minification 415.1 kB
  • After compression 395.2 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. Vdv.de has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 15 (41%)

Requests Now

37

After Optimization

22

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of VDV. 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 as a result speed up the page load time.

Network Requests Diagram

www.vdv.de

www.vdv.de

776 ms

SharedJavaScriptRepository.ashx

SharedJavaScriptRepository.ashx

477 ms

WebResource.axd

WebResource.axd

394 ms

standard-2.css

standard-2.css

1550 ms

standard-2.js

standard-2.js

895 ms

e.js

e.js

566 ms

t.js

t.js

426 ms

icon-mitglied-werden.svg

icon-mitglied-werden.svg

191 ms

icon-landesgruppen.svg

icon-landesgruppen.svg

188 ms

icon-informationen-auf-englisch.svg

icon-informationen-auf-englisch.svg

190 ms

icon-vdv-app.svg

icon-vdv-app.svg

191 ms

icon-facebook.png

icon-facebook.png

311 ms

X.png

X.png

315 ms

icon-linkedin.png

icon-linkedin.png

310 ms

icon-youtube.png

icon-youtube.png

314 ms

icon-instagram.png

icon-instagram.png

425 ms

vdv_logo_regenbogen_mitblau.png

vdv_logo_regenbogen_mitblau.png

426 ms

vdv_grafiken_personalbedarf_verkehrswende.jpg

vdv_grafiken_personalbedarf_verkehrswende.jpg

961 ms

design-ohne-titel-55-.png

design-ohne-titel-55-.png

432 ms

europafilm.png

europafilm.png

2434 ms

design-ohne-titel-49-.png

design-ohne-titel-49-.png

2561 ms

vdv_magazin_2.jpg

vdv_magazin_2.jpg

616 ms

gac24_kv_1280x560.jpg

gac24_kv_1280x560.jpg

1329 ms

aktuelles.gif

aktuelles.gif

617 ms

aktuelles-animated.gif

aktuelles-animated.gif

730 ms

karten.gif

karten.gif

730 ms

karten-animiert.gif

karten-animiert.gif

872 ms

positionen.gif

positionen.gif

871 ms

positionen-animiert.gif

positionen-animiert.gif

1017 ms

vdv-das-magazin.gif

vdv-das-magazin.gif

1017 ms

vdv-das-magazin-animiert.gif

vdv-das-magazin-animiert.gif

1186 ms

platzhalter-460x460-transparent.png

platzhalter-460x460-transparent.png

1186 ms

doppelpfeil-weiss.svg

doppelpfeil-weiss.svg

1159 ms

doppelpfeil-blau.svg

doppelpfeil-blau.svg

1262 ms

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envelope-solid.svg

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1104 ms

location-dot-solid.svg

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1209 ms

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fontello2.woff

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Accessibility Review

vdv.de accessibility score

89

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.

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

vdv.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

High

Missing source maps for large first-party JavaScript

SEO Factors

vdv.de SEO score

86

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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 Vdv.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 Vdv.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

vdv.de

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