Report Summary

  • 13

    Performance

    Renders faster than
    25% of other websites

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

dokumentation.zdf.de

Dokus und Reportagen zum streamen in der ZDFmediathek - ZDFmediathek

Page Load Speed

52.2 sec in total

First Response

2.1 sec

Resources Loaded

21.8 sec

Page Rendered

28.3 sec

dokumentation.zdf.de screenshot

About Website

Click here to check amazing Dokumentation Zdf content for Germany. Otherwise, check out these important facts you probably never knew about dokumentation.zdf.de

Erlebe die besten Reportagen, Wissensformate und Dokumentationen jederzeit online - in der ZDF Mediathek.

Visit dokumentation.zdf.de

Key Findings

We analyzed Dokumentation.zdf.de page load time and found that the first response time was 2.1 sec and then it took 50.1 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

dokumentation.zdf.de performance score

13

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.0 s

1/100

10%

LCP (Largest Contentful Paint)

Value50.4 s

0/100

25%

SI (Speed Index)

Value69.9 s

0/100

10%

TBT (Total Blocking Time)

Value84,280 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.125

83/100

15%

TTI (Time to Interactive)

Value97.8 s

0/100

10%

Network Requests Diagram

doku-wissen

2079 ms

otSDKStub.js

768 ms

abGroupLibrary.js

636 ms

styles.css

767 ms

det.png

212 ms

Our browser made a total of 26 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Dokumentation.zdf.de, 27% (7 requests) were made to Cmp.zdf.de and 4% (1 request) were made to Script.ioam.de. The less responsive or slowest element that took the longest time to load (6.2 sec) relates to the external source Atinternet.zdf.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.9 MB (84%)

Content Size

3.4 MB

After Optimization

554.6 kB

In fact, the total size of Dokumentation.zdf.de main page is 3.4 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. HTML takes 3.2 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 2.9 MB

  • Original 3.2 MB
  • After minification 2.6 MB
  • After compression 380.3 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. This page needs HTML code to be minified as it can gain 594.9 kB, which is 18% 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 2.9 MB or 88% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 23.7 kB
  • After minification 23.7 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. Dokumentation Zdf images are well optimized though.

JavaScript Optimization

-5%

Potential reduce by 2.1 kB

  • Original 38.2 kB
  • After minification 38.2 kB
  • After compression 36.1 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 34 B

  • Original 114.5 kB
  • After minification 114.5 kB
  • After compression 114.5 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. Dokumentation.zdf.de has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 6 (40%)

Requests Now

15

After Optimization

9

The browser has sent 15 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dokumentation Zdf. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

SEO Factors

dokumentation.zdf.de SEO score

0

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 Dokumentation.zdf.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 Dokumentation.zdf.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 Dokumentation Zdf. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: