Tools & Wizards About Us
vde-verlag.de screenshot

Report Summary

  • 58

    Performance

    Renders faster than
    74% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 97

    SEO

    Google-friendlier than
    91% of websites

vde-verlag.de

DIN-VDE-Normen, Fachliteratur und Seminare - VDE VERLAG

Page Load Speed

3.7 sec in total

First Response

401 ms

Resources Loaded

3.1 sec

Page Rendered

152 ms

vde-verlag.de screenshot

About Website

Visit vde-verlag.de now to see the best up-to-date VDE VERLAG content for Germany and also check out these interesting facts you probably never knew about vde-verlag.de

Ihr Fachverlag rund um die Elektrotechnik: DIN-VDE-Normen, bzw. VDE-Bestimmungen, IEC-Normen, Fachbücher, Tagungsbände, Zeitschriften und Seminare.

Visit vde-verlag.de

Key Findings

We analyzed Vde-verlag.de page load time and found that the first response time was 401 ms and then it took 3.3 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

vde-verlag.de performance score

58

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

20/100

10%

LCP (Largest Contentful Paint)

Value4.4 s

40/100

25%

SI (Speed Index)

Value6.3 s

41/100

10%

TBT (Total Blocking Time)

Value160 ms

94/100

30%

CLS (Cumulative Layout Shift)

Value0.165

72/100

15%

TTI (Time to Interactive)

Value9.6 s

29/100

10%

Network Requests Diagram

vde-verlag.de

401 ms

www.vde-verlag.de

793 ms

main.css

512 ms

custom.css

422 ms

flag_en_normal.gif

437 ms

Our browser made a total of 33 requests to load all elements on the main page. We found that 94% of them (31 requests) were addressed to the original Vde-verlag.de, 3% (1 request) were made to Code.etracker.com and 3% (1 request) were made to Etracker.de. The less responsive or slowest element that took the longest time to load (958 ms) belongs to the original domain Vde-verlag.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 869.7 kB (55%)

Content Size

1.6 MB

After Optimization

699.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Vde-verlag.de main page is 1.6 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. 30% of websites need less resources to load. Javascripts take 684.9 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 72.5 kB

  • Original 83.4 kB
  • After minification 53.3 kB
  • After compression 10.9 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 30.1 kB, which is 36% 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 72.5 kB or 87% of the original size.

Image Optimization

-3%

Potential reduce by 14.3 kB

  • Original 429.3 kB
  • After minification 415.1 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. VDE VERLAG images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 473.3 kB

  • Original 684.9 kB
  • After minification 684.8 kB
  • After compression 211.6 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 473.3 kB or 69% of the original size.

CSS Optimization

-83%

Potential reduce by 309.6 kB

  • Original 371.1 kB
  • After minification 368.1 kB
  • After compression 61.4 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. Vde-verlag.de needs all CSS files to be minified and compressed as it can save up to 309.6 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (14%)

Requests Now

29

After Optimization

25

  • Images
  • JavaScript
  • CSS

The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of VDE 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 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

vde-verlag.de

vde-verlag.de

401 ms

www.vde-verlag.de

www.vde-verlag.de

793 ms

main.css

main.css

512 ms

custom.css

custom.css

422 ms

flag_en_normal.gif

flag_en_normal.gif

437 ms

logo-vde-verlag.gif

logo-vde-verlag.gif

426 ms

din-vde-navi.gif

din-vde-navi.gif

437 ms

spacer.gif

spacer.gif

421 ms

iec-navi.gif

iec-navi.gif

582 ms

hoesl_menue.jpg

hoesl_menue.jpg

486 ms

essociation_logo.jpg

essociation_logo.jpg

485 ms

main.js

main.js

958 ms

VdeVerlagConfig.js

VdeVerlagConfig.js

385 ms

cookie_consent.js

cookie_consent.js

419 ms

footer-blau.png

footer-blau.png

107 ms

vde0100_kiefer.jpg

vde0100_kiefer.jpg

219 ms

slider_norbi.jpg

slider_norbi.jpg

225 ms

slider_innungsrabatt2.jpg

slider_innungsrabatt2.jpg

221 ms

606229home.jpg

606229home.jpg

182 ms

406365home.jpg

406365home.jpg

315 ms

526271home.jpg

526271home.jpg

289 ms

525847home.jpg

525847home.jpg

331 ms

495398home.jpg

495398home.jpg

337 ms

495373home.jpg

495373home.jpg

338 ms

abonnement_normenbibliothek2.jpg

abonnement_normenbibliothek2.jpg

397 ms

arrow-raquo.gif

arrow-raquo.gif

423 ms

norm-neuerscheinung2-home.jpg

norm-neuerscheinung2-home.jpg

443 ms

iec-neuerscheinung2-home.jpg

iec-neuerscheinung2-home.jpg

452 ms

barlow-v3-latin-regular.woff

barlow-v3-latin-regular.woff

414 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

466 ms

t.js

t.js

535 ms

druck.css

druck.css

110 ms

cntcc

cntcc

421 ms

Accessibility Review

vde-verlag.de accessibility score

80

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 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.

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

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.

Best Practices

vde-verlag.de best practices score

83

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

Missing source maps for large first-party JavaScript

SEO Factors

vde-verlag.de SEO score

97

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

High

Tap targets are not sized appropriately

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 Vde-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 Vde-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

vde-verlag.de

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