Report Summary

  • 59

    Performance

    Renders faster than
    75% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

westermanngruppe.de

Startseite - Westermann Gruppe

Page Load Speed

4.1 sec in total

First Response

305 ms

Resources Loaded

3.5 sec

Page Rendered

353 ms

westermanngruppe.de screenshot

About Website

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

Die Westermann Gruppe gehört mit ihren Verlagen, Druckereien und Services zu den führenden deutschen Anbietern von Bildungsmedien.

Visit westermanngruppe.de

Key Findings

We analyzed Westermanngruppe.de page load time and found that the first response time was 305 ms and then it took 3.8 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

westermanngruppe.de performance score

59

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

34/100

10%

LCP (Largest Contentful Paint)

Value7.5 s

4/100

25%

SI (Speed Index)

Value7.3 s

29/100

10%

TBT (Total Blocking Time)

Value50 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.007

100/100

15%

TTI (Time to Interactive)

Value6.1 s

63/100

10%

Network Requests Diagram

westermanngruppe.de

305 ms

startseite.html

1124 ms

stylesheet_63b7566cda.css

98 ms

main.css

296 ms

css

26 ms

Our browser made a total of 43 requests to load all elements on the main page. We found that 88% of them (38 requests) were addressed to the original Westermanngruppe.de, 5% (2 requests) were made to Fonts.googleapis.com and 5% (2 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Westermanngruppe.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 292.5 kB (29%)

Content Size

1.0 MB

After Optimization

717.3 kB

In fact, the total size of Westermanngruppe.de main page is 1.0 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. 35% of websites need less resources to load. Images take 638.3 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 27.1 kB

  • Original 32.0 kB
  • After minification 24.0 kB
  • After compression 4.9 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 8.0 kB, which is 25% 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 27.1 kB or 85% of the original size.

Image Optimization

-2%

Potential reduce by 14.1 kB

  • Original 638.3 kB
  • After minification 624.2 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. Westermann Gruppe images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 119.5 kB

  • Original 178.0 kB
  • After minification 175.5 kB
  • After compression 58.6 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 119.5 kB or 67% of the original size.

CSS Optimization

-82%

Potential reduce by 131.8 kB

  • Original 161.5 kB
  • After minification 158.6 kB
  • After compression 29.6 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. Westermanngruppe.de needs all CSS files to be minified and compressed as it can save up to 131.8 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (23%)

Requests Now

39

After Optimization

30

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Westermann Gruppe. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

westermanngruppe.de accessibility score

90

Accessibility Issues

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

westermanngruppe.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

Page has valid source maps

SEO Factors

westermanngruppe.de SEO score

82

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

Content Best Practices

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

Impact

Issue

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

High

Tap targets are not sized appropriately

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 Westermanngruppe.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 Westermanngruppe.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 Westermann Gruppe. 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: