Tools & Wizards About Us

Report Summary

  • 30

    Performance

    Renders faster than
    50% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

vdo-shop.de

Produkte und Services von VDO | VDO Onlineshop Deutschland

Page Load Speed

1.6 sec in total

First Response

131 ms

Resources Loaded

1.2 sec

Page Rendered

304 ms

About Website

Visit vdo-shop.de now to see the best up-to-date VDO Shop content for Germany and also check out these interesting facts you probably never knew about vdo-shop.de

Willkommen im VDO Onlineshop Deutschland. Tachographenzubehör, Schalter & Sensoren, Instrumentierung, Werkstattprodukte, Multimedia und Services direkt vom Hersteller.

Visit vdo-shop.de

Key Findings

We analyzed Vdo-shop.de page load time and found that the first response time was 131 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

vdo-shop.de performance score

30

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

39/100

10%

LCP (Largest Contentful Paint)

Value14.7 s

0/100

25%

SI (Speed Index)

Value6.3 s

42/100

10%

TBT (Total Blocking Time)

Value1,140 ms

22/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value19.0 s

3/100

10%

Network Requests Diagram

vdo-shop.de

131 ms

252 ms

calendar.css

10 ms

styles-m.css

24 ms

uppy-custom.css

12 ms

Our browser made a total of 147 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Vdo-shop.de, 99% (145 requests) were made to Vdo-shop.com and 1% (1 request) were made to My.vdo.com. The less responsive or slowest element that took the longest time to load (477 ms) relates to the external source My.vdo.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 254.7 kB (15%)

Content Size

1.7 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Vdo-shop.de main page is 1.7 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 972.5 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 133.2 kB

  • Original 151.3 kB
  • After minification 128.6 kB
  • After compression 18.2 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 22.7 kB, which is 15% 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 133.2 kB or 88% of the original size.

Image Optimization

-1%

Potential reduce by 12.4 kB

  • Original 972.5 kB
  • After minification 960.0 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. VDO Shop images are well optimized though.

JavaScript Optimization

-26%

Potential reduce by 108.6 kB

  • Original 418.9 kB
  • After minification 409.6 kB
  • After compression 310.3 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 108.6 kB or 26% of the original size.

CSS Optimization

-0%

Potential reduce by 464 B

  • Original 132.7 kB
  • After minification 132.7 kB
  • After compression 132.2 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. Vdo-shop.de has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 113 (82%)

Requests Now

138

After Optimization

25

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 138 CSS, Javascripts, AJAX and image requests in order to completely render the main page of VDO Shop. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 109 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

vdo-shop.de accessibility score

85

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

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

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

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

vdo-shop.de best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

vdo-shop.de SEO score

93

Search Engine Optimization Advices

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 Vdo-shop.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 Vdo-shop.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 VDO Shop. 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: