Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 63

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

wilbers.de

Wilbers Products GmbH

Page Load Speed

4.1 sec in total

First Response

408 ms

Resources Loaded

3.5 sec

Page Rendered

170 ms

wilbers.de screenshot

About Website

Click here to check amazing Wilbers content for Germany. Otherwise, check out these important facts you probably never knew about wilbers.de

Wilbers Products - Performance Suspension since 1985

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Key Findings

We analyzed Wilbers.de page load time and found that the first response time was 408 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 60% of websites can load faster.

Performance Metrics

wilbers.de performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

33/100

10%

LCP (Largest Contentful Paint)

Value14.7 s

0/100

25%

SI (Speed Index)

Value7.7 s

25/100

10%

TBT (Total Blocking Time)

Value630 ms

47/100

30%

CLS (Cumulative Layout Shift)

Value1.162

1/100

15%

TTI (Time to Interactive)

Value11.2 s

20/100

10%

Network Requests Diagram

wilbers.de

408 ms

wilbers.de

410 ms

www.wilbers.de

439 ms

www.wilbers.de

643 ms

main.min.css

301 ms

Our browser made a total of 42 requests to load all elements on the main page. We found that 79% of them (33 requests) were addressed to the original Wilbers.de, 7% (3 requests) were made to App.usercentrics.eu and 7% (3 requests) were made to Api.usercentrics.eu. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Wilbers.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 278.3 kB (13%)

Content Size

2.2 MB

After Optimization

1.9 MB

In fact, the total size of Wilbers.de main page is 2.2 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. 35% of websites need less resources to load. Images take 1.7 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 46.3 kB

  • Original 57.6 kB
  • After minification 54.6 kB
  • After compression 11.3 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 46.3 kB or 80% of the original size.

Image Optimization

-13%

Potential reduce by 226.6 kB

  • Original 1.7 MB
  • After minification 1.5 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, Wilbers needs image optimization as it can save up to 226.6 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-1%

Potential reduce by 3.7 kB

  • Original 359.5 kB
  • After minification 359.5 kB
  • After compression 355.8 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

-6%

Potential reduce by 1.7 kB

  • Original 31.1 kB
  • After minification 31.1 kB
  • After compression 29.3 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. Wilbers.de has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 7 (21%)

Requests Now

33

After Optimization

26

The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Wilbers. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

wilbers.de accessibility score

63

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

[aria-*] attributes do not match their roles

High

ARIA input fields do not have accessible names

High

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

High

ARIA toggle fields do not have accessible names

High

[aria-*] attributes do not have valid values

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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.

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

wilbers.de 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

High

Page has valid source maps

SEO Factors

wilbers.de SEO score

85

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

High

Image elements do not have [alt] attributes

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Wilbers.de can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it does not match the claimed English language. Our system also found out that Wilbers.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 data is detected on the main page of Wilbers. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: