Tools & Wizards About Us
dettmer-verlag.de screenshot

Report Summary

  • 66

    Performance

    Renders faster than
    79% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

dettmer-verlag.de

Individuelle EDV-Schulungsunterlagen und IT Lehrmaterialien als Word Dokument

Page Load Speed

5.6 sec in total

First Response

339 ms

Resources Loaded

4.8 sec

Page Rendered

434 ms

dettmer-verlag.de screenshot

About Website

Click here to check amazing Dettmer Verlag content. Otherwise, check out these important facts you probably never knew about dettmer-verlag.de

Schulungsunterlagen, EDV-Trainings, Lernunterlagen, IT-Schulungsunterlagen als Word-Datei für Unternehmen, Fortbildungsinstitute und Behörden.

Visit dettmer-verlag.de

Key Findings

We analyzed Dettmer-verlag.de page load time and found that the first response time was 339 ms and then it took 5.3 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

dettmer-verlag.de performance score

66

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

34/100

10%

LCP (Largest Contentful Paint)

Value3.7 s

59/100

25%

SI (Speed Index)

Value10.1 s

9/100

10%

TBT (Total Blocking Time)

Value290 ms

80/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.7 s

80/100

10%

Network Requests Diagram

dettmer-verlag.de

339 ms

www.schulungsunterlagen-verlag.de

1595 ms

9tex4.css

457 ms

9xkud.css

332 ms

MS_Office2021-Gr-301-x-251.png

237 ms

Our browser made a total of 17 requests to load all elements on the main page. We found that 6% of them (1 request) were addressed to the original Dettmer-verlag.de, 94% (16 requests) were made to Schulungsunterlagen-verlag.de. The less responsive or slowest element that took the longest time to load (1.6 sec) relates to the external source Schulungsunterlagen-verlag.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 179.4 kB (42%)

Content Size

426.5 kB

After Optimization

247.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dettmer-verlag.de main page is 426.5 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. HTML takes 167.1 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 147.6 kB

  • Original 167.1 kB
  • After minification 166.4 kB
  • After compression 19.5 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 147.6 kB or 88% of the original size.

Image Optimization

-5%

Potential reduce by 4.7 kB

  • Original 90.1 kB
  • After minification 85.4 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. Dettmer Verlag images are well optimized though.

JavaScript Optimization

-14%

Potential reduce by 19.1 kB

  • Original 134.0 kB
  • After minification 134.0 kB
  • After compression 114.9 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 19.1 kB or 14% of the original size.

CSS Optimization

-23%

Potential reduce by 8.0 kB

  • Original 35.4 kB
  • After minification 35.4 kB
  • After compression 27.4 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. Dettmer-verlag.de needs all CSS files to be minified and compressed as it can save up to 8.0 kB or 23% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (47%)

Requests Now

15

After Optimization

8

  • Images
  • JavaScript
  • CSS

The browser has sent 15 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dettmer Verlag. 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.

Network Requests Diagram

dettmer-verlag.de

dettmer-verlag.de

339 ms

www.schulungsunterlagen-verlag.de

www.schulungsunterlagen-verlag.de

1595 ms

9tex4.css

9tex4.css

457 ms

9xkud.css

9xkud.css

332 ms

MS_Office2021-Gr-301-x-251.png

MS_Office2021-Gr-301-x-251.png

237 ms

lazysizes.min.js

lazysizes.min.js

179 ms

jquery.min.js

jquery.min.js

266 ms

wp-polyfill-inert.min.js

wp-polyfill-inert.min.js

241 ms

regenerator-runtime.min.js

regenerator-runtime.min.js

262 ms

wp-polyfill.min.js

wp-polyfill.min.js

430 ms

hooks.min.js

hooks.min.js

313 ms

i18n.min.js

i18n.min.js

313 ms

autoptimize_6e250917cba709aa7b07be422168ca3b.js

autoptimize_6e250917cba709aa7b07be422168ca3b.js

510 ms

graphy.png

graphy.png

278 ms

Microsoft-Office-2019-301x251-mit-Office-365-Schrift-20-Pt.png

Microsoft-Office-2019-301x251-mit-Office-365-Schrift-20-Pt.png

297 ms

Schulungsunterlage-Office-Englisch.jpg

Schulungsunterlage-Office-Englisch.jpg

275 ms

Microsoft-Office-2016-3-301x251-1.jpg

Microsoft-Office-2016-3-301x251-1.jpg

276 ms

Accessibility Review

dettmer-verlag.de accessibility score

94

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

dettmer-verlag.de best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

dettmer-verlag.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 Dettmer-verlag.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 Dettmer-verlag.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

dettmer-verlag.de

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