Report Summary

  • 16

    Performance

    Renders faster than
    35% of other websites

  • 0

    Accessibility

  • 75

    Best Practices

    More advanced features
    available than in
    47% of websites

  • 0

    SEO

diereferenz.tv

www.DieReferenz.de |

Page Load Speed

9 sec in total

First Response

327 ms

Resources Loaded

7.9 sec

Page Rendered

768 ms

diereferenz.tv screenshot

About Website

Visit diereferenz.tv now to see the best up-to-date Die Referenz content and also check out these interesting facts you probably never knew about diereferenz.tv

Licht-, Ton-, Medien- und Bühnentechnik und deren Einsatz in der Praxis.

Visit diereferenz.tv

Key Findings

We analyzed Diereferenz.tv page load time and found that the first response time was 327 ms and then it took 8.7 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

diereferenz.tv performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.3 s

7/100

10%

LCP (Largest Contentful Paint)

Value12.3 s

0/100

25%

SI (Speed Index)

Value10.9 s

6/100

10%

TBT (Total Blocking Time)

Value750 ms

39/100

30%

CLS (Cumulative Layout Shift)

Value0.998

2/100

15%

TTI (Time to Interactive)

Value9.5 s

30/100

10%

Network Requests Diagram

diereferenz.tv

327 ms

diereferenz.de

2453 ms

aggregator.css

206 ms

node.css

216 ms

defaults.css

212 ms

Our browser made a total of 122 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Diereferenz.tv, 89% (109 requests) were made to Diereferenz.de and 3% (4 requests) were made to Marketing.prg.de. The less responsive or slowest element that took the longest time to load (3.6 sec) relates to the external source Diereferenz.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 422.2 kB (32%)

Content Size

1.3 MB

After Optimization

897.7 kB

In fact, the total size of Diereferenz.tv 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. 45% of websites need less resources to load. Images take 777.1 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 131.0 kB

  • Original 152.1 kB
  • After minification 138.6 kB
  • After compression 21.0 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 131.0 kB or 86% of the original size.

Image Optimization

-0%

Potential reduce by 3.1 kB

  • Original 777.1 kB
  • After minification 774.0 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. Die Referenz images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 201.9 kB

  • Original 288.1 kB
  • After minification 265.8 kB
  • After compression 86.2 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 201.9 kB or 70% of the original size.

CSS Optimization

-84%

Potential reduce by 86.2 kB

  • Original 102.7 kB
  • After minification 64.9 kB
  • After compression 16.5 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. Diereferenz.tv needs all CSS files to be minified and compressed as it can save up to 86.2 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 56 (48%)

Requests Now

116

After Optimization

60

The browser has sent 116 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Die Referenz. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 24 to 1 for CSS and as a result speed up the page load time.

Best Practices

diereferenz.tv best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

diereferenz.tv SEO score

0

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 Diereferenz.tv 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 Diereferenz.tv 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 Die Referenz. 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: