Report Summary

  • 81

    Performance

    Renders faster than
    87% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 57% of websites

  • 85

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 58

    SEO

    Google-friendlier than
    20% of websites

podcast.uni-wuppertal.de

Archivierte Website

Page Load Speed

9.3 sec in total

First Response

481 ms

Resources Loaded

7.3 sec

Page Rendered

1.5 sec

podcast.uni-wuppertal.de screenshot

About Website

Click here to check amazing Podcast Uni Wuppertal content for Germany. Otherwise, check out these important facts you probably never knew about podcast.uni-wuppertal.de

Visit podcast.uni-wuppertal.de

Key Findings

We analyzed Podcast.uni-wuppertal.de page load time and found that the first response time was 481 ms and then it took 8.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

podcast.uni-wuppertal.de performance score

81

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

79/100

10%

LCP (Largest Contentful Paint)

Value2.2 s

95/100

25%

SI (Speed Index)

Value4.4 s

74/100

10%

TBT (Total Blocking Time)

Value270 ms

82/100

30%

CLS (Cumulative Layout Shift)

Value0.056

98/100

15%

TTI (Time to Interactive)

Value10.2 s

26/100

10%

Network Requests Diagram

podcast.uni-wuppertal.de

481 ms

podcast.uni-wuppertal.de

3163 ms

universitaet.min.css

422 ms

font-awesome.min.css

417 ms

style.css

188 ms

Our browser made a total of 40 requests to load all elements on the main page. We found that 63% of them (25 requests) were addressed to the original Podcast.uni-wuppertal.de, 30% (12 requests) were made to Assets.zim.uni-wuppertal.de and 3% (1 request) were made to Vjs.zencdn.net. The less responsive or slowest element that took the longest time to load (3.2 sec) belongs to the original domain Podcast.uni-wuppertal.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 894.2 kB (14%)

Content Size

6.5 MB

After Optimization

5.6 MB

In fact, the total size of Podcast.uni-wuppertal.de main page is 6.5 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. 35% of websites need less resources to load. Images take 6.1 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 101.4 kB

  • Original 117.8 kB
  • After minification 114.1 kB
  • After compression 16.4 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 101.4 kB or 86% of the original size.

Image Optimization

-9%

Potential reduce by 564.7 kB

  • Original 6.1 MB
  • After minification 5.5 MB

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. Podcast Uni Wuppertal images are well optimized though.

JavaScript Optimization

-62%

Potential reduce by 148.4 kB

  • Original 239.4 kB
  • After minification 238.9 kB
  • After compression 91.0 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 148.4 kB or 62% of the original size.

CSS Optimization

-81%

Potential reduce by 79.7 kB

  • Original 99.0 kB
  • After minification 95.3 kB
  • After compression 19.3 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. Podcast.uni-wuppertal.de needs all CSS files to be minified and compressed as it can save up to 79.7 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (43%)

Requests Now

37

After Optimization

21

The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Podcast Uni Wuppertal. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

podcast.uni-wuppertal.de accessibility score

84

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

<frame> or <iframe> elements do not have a title

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

podcast.uni-wuppertal.de best practices score

85

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

podcast.uni-wuppertal.de SEO score

58

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Page is blocked from indexing

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 Podcast.uni-wuppertal.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 Podcast.uni-wuppertal.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 description is not detected on the main page of Podcast Uni Wuppertal. 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: