Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

Page Load Speed

4.5 sec in total

First Response

1.4 sec

Resources Loaded

3 sec

Page Rendered

60 ms

dekra-aviation.com screenshot

About Website

Click here to check amazing Dekra Aviation content for Germany. Otherwise, check out these important facts you probably never knew about dekra-aviation.com

Vereinbaren Sie bequem online Ihren Termin für eine professionelle Luftsicherheitsschulung oder individuelle Beratung bei der DEKRA Akademie. Jetzt informieren!

Visit dekra-aviation.com

Key Findings

We analyzed Dekra-aviation.com page load time and found that the first response time was 1.4 sec and then it took 3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

dekra-aviation.com performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value9.1 s

0/100

10%

LCP (Largest Contentful Paint)

Value11.5 s

0/100

25%

SI (Speed Index)

Value12.3 s

3/100

10%

TBT (Total Blocking Time)

Value2,140 ms

6/100

30%

CLS (Cumulative Layout Shift)

Value0.013

100/100

15%

TTI (Time to Interactive)

Value13.4 s

11/100

10%

Network Requests Diagram

aviation-services-luftfahrt

1418 ms

stub.js

393 ms

VFRemote.js

404 ms

NetworkTracking.js

402 ms

loader.js

28 ms

Our browser made a total of 18 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Dekra-aviation.com, 22% (4 requests) were made to App.usercentrics.eu and 17% (3 requests) were made to Api.usercentrics.eu. The less responsive or slowest element that took the longest time to load (1.4 sec) relates to the external source Dekra-akademie.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 247.9 kB (20%)

Content Size

1.3 MB

After Optimization

1.0 MB

In fact, the total size of Dekra-aviation.com main page is 1.3 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. 50% of websites need less resources to load. Javascripts take 906.7 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 247.3 kB

  • Original 312.0 kB
  • After minification 311.6 kB
  • After compression 64.7 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 247.3 kB or 79% of the original size.

Image Optimization

-7%

Potential reduce by 35 B

  • Original 522 B
  • After minification 487 B

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. Dekra Aviation images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 533 B

  • Original 906.7 kB
  • After minification 906.7 kB
  • After compression 906.2 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

-0%

Potential reduce by 0 B

  • Original 36.2 kB
  • After minification 36.2 kB
  • After compression 36.2 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. Dekra-aviation.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 10 (59%)

Requests Now

17

After Optimization

7

The browser has sent 17 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dekra Aviation. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

dekra-aviation.com accessibility score

88

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

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

dekra-aviation.com 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

High

Missing source maps for large first-party JavaScript

SEO Factors

dekra-aviation.com 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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dekra-aviation.com 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 Dekra-aviation.com 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 Dekra Aviation. 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: