Tools & Wizards About Us
hapesweltgeschichte.zdf.de screenshot

Report Summary

  • 16

    Performance

    Renders faster than
    31% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 85% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    57% of websites

  • 99

    SEO

    Google-friendlier than
    94% of websites

hapesweltgeschichte.zdf.de

Unterwegs in der Weltgeschichte (1/6): Der große Aufbruch - ZDFmediathek

Page Load Speed

10 sec in total

First Response

3.6 sec

Resources Loaded

6 sec

Page Rendered

433 ms

hapesweltgeschichte.zdf.de screenshot

About Website

Visit hapesweltgeschichte.zdf.de now to see the best up-to-date Hapes Weltgeschichte Zdf content for Germany and also check out these interesting facts you probably never knew about hapesweltgeschichte.zdf.de

Hape Kerkeling ist auf der Suche nach den Geheimnissen der uralten Kulturen. Er reist zu den Pyramiden in Ägypten, segelt auf dem Nil und findet auch ein 5000 Jahre altes Rezept zum Bierbrauen.

Visit hapesweltgeschichte.zdf.de

Key Findings

We analyzed Hapesweltgeschichte.zdf.de page load time and found that the first response time was 3.6 sec and then it took 6.4 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

hapesweltgeschichte.zdf.de performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.0 s

4/100

10%

LCP (Largest Contentful Paint)

Value14.3 s

0/100

25%

SI (Speed Index)

Value14.2 s

1/100

10%

TBT (Total Blocking Time)

Value4,940 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value15.0 s

7/100

10%

Network Requests Diagram

terra-x-weltgeschichte-mit-hape-kerkeling-vom-kuluturellen-100.html

3634 ms

otSDKStub.js

426 ms

abGroupLibrary.js

235 ms

styles.css

431 ms

d2ba7782-831d-4b39-846e-58f275678494.json

298 ms

Our browser made a total of 25 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Hapesweltgeschichte.zdf.de, 12% (3 requests) were made to Cmp.zdf.de and 8% (2 requests) were made to Ngp.zdf.de. The less responsive or slowest element that took the longest time to load (3.6 sec) relates to the external source Zdf.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 393.6 kB (53%)

Content Size

741.5 kB

After Optimization

348.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Hapesweltgeschichte.zdf.de main page is 741.5 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. 60% of websites need less resources to load. HTML takes 492.8 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 386.4 kB

  • Original 492.8 kB
  • After minification 448.2 kB
  • After compression 106.4 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 386.4 kB or 78% of the original size.

Image Optimization

-3%

Potential reduce by 2.4 kB

  • Original 80.6 kB
  • After minification 78.2 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. Hapes Weltgeschichte Zdf images are well optimized though.

JavaScript Optimization

-11%

Potential reduce by 4.4 kB

  • Original 40.5 kB
  • After minification 40.5 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 4.4 kB or 11% of the original size.

CSS Optimization

-0%

Potential reduce by 376 B

  • Original 127.6 kB
  • After minification 127.6 kB
  • After compression 127.2 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. Hapesweltgeschichte.zdf.de has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 7 (50%)

Requests Now

14

After Optimization

7

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 14 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Hapes Weltgeschichte 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 8 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

terra-x-weltgeschichte-mit-hape-kerkeling-vom-kuluturellen-100.html

terra-x-weltgeschichte-mit-hape-kerkeling-vom-kuluturellen-100.html

3634 ms

otSDKStub.js

otSDKStub.js

426 ms

abGroupLibrary.js

abGroupLibrary.js

235 ms

styles.css

styles.css

431 ms

d2ba7782-831d-4b39-846e-58f275678494.json

d2ba7782-831d-4b39-846e-58f275678494.json

298 ms

_app-polyfills.pkg.js

_app-polyfills.pkg.js

299 ms

sendungsteaser-terra-x-logo-dasweb-100~640x720

sendungsteaser-terra-x-logo-dasweb-100~640x720

292 ms

det.png

det.png

112 ms

_crucial-behavior.pkg.js

_crucial-behavior.pkg.js

112 ms

_app-behavior.pkg.js

_app-behavior.pkg.js

1156 ms

zdf-player.js

zdf-player.js

1239 ms

iam.js

iam.js

1156 ms

smarttag.js

smarttag.js

1239 ms

otBannerSdk.js

otBannerSdk.js

1091 ms

ZDFType-Light.ttf

ZDFType-Light.ttf

244 ms

ZDFType-ExtraLight.ttf

ZDFType-ExtraLight.ttf

244 ms

ZDFType-Thin.ttf

ZDFType-Thin.ttf

725 ms

ZDFType-Regular.ttf

ZDFType-Regular.ttf

725 ms

ZDFType-Medium.ttf

ZDFType-Medium.ttf

725 ms

ZDFType-Bold.ttf

ZDFType-Bold.ttf

904 ms

ZDFType-SemiBold.ttf

ZDFType-SemiBold.ttf

932 ms

ZDFType-Heavy.ttf

ZDFType-Heavy.ttf

931 ms

ZDFType-Black.ttf

ZDFType-Black.ttf

830 ms

zdf-iconfont.woff

zdf-iconfont.woff

827 ms

zdf-player.css

zdf-player.css

85 ms

Accessibility Review

hapesweltgeschichte.zdf.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.

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

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

hapesweltgeschichte.zdf.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

hapesweltgeschichte.zdf.de SEO score

99

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 Hapesweltgeschichte.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 Hapesweltgeschichte.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

hapesweltgeschichte.zdf.de

Open Graph data is detected on the main page of Hapes Weltgeschichte Zdf. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: