Tools & Wizards About Us

Report Summary

  • 6

    Performance

    Renders faster than
    21% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

theaterakademie-koeln.de

THEATERAKADEMIE KOELN – Schauspielschule für Bühne, Film & Medien

Page Load Speed

11.7 sec in total

First Response

2.8 sec

Resources Loaded

8 sec

Page Rendered

1 sec

About Website

Visit theaterakademie-koeln.de now to see the best up-to-date THEATERAKADEMIE KOELN content and also check out these interesting facts you probably never knew about theaterakademie-koeln.de

Beiträge zu Terminen

Visit theaterakademie-koeln.de

Key Findings

We analyzed Theaterakademie-koeln.de page load time and found that the first response time was 2.8 sec and then it took 9 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

theaterakademie-koeln.de performance score

6

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value12.1 s

0/100

10%

LCP (Largest Contentful Paint)

Value36.9 s

0/100

25%

SI (Speed Index)

Value63.5 s

0/100

10%

TBT (Total Blocking Time)

Value4,190 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.325

35/100

15%

TTI (Time to Interactive)

Value38.3 s

0/100

10%

Network Requests Diagram

theaterakademie-koeln.de

2755 ms

wp-emoji-release.min.js

287 ms

layerslider.css

194 ms

css

47 ms

styles.css

204 ms

Our browser made a total of 84 requests to load all elements on the main page. We found that 70% of them (59 requests) were addressed to the original Theaterakademie-koeln.de, 12% (10 requests) were made to Fonts.gstatic.com and 11% (9 requests) were made to Scontent.cdninstagram.com. The less responsive or slowest element that took the longest time to load (4.9 sec) belongs to the original domain Theaterakademie-koeln.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.5 MB (54%)

Content Size

2.8 MB

After Optimization

1.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Theaterakademie-koeln.de main page is 2.8 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. 65% of websites need less resources to load. Javascripts take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 171.4 kB

  • Original 201.1 kB
  • After minification 197.5 kB
  • After compression 29.7 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 171.4 kB or 85% of the original size.

Image Optimization

-3%

Potential reduce by 25.3 kB

  • Original 887.5 kB
  • After minification 862.2 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. THEATERAKADEMIE KOELN images are well optimized though.

JavaScript Optimization

-71%

Potential reduce by 786.9 kB

  • Original 1.1 MB
  • After minification 1.1 MB
  • After compression 317.9 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 786.9 kB or 71% of the original size.

CSS Optimization

-87%

Potential reduce by 557.9 kB

  • Original 640.9 kB
  • After minification 549.2 kB
  • After compression 83.0 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. Theaterakademie-koeln.de needs all CSS files to be minified and compressed as it can save up to 557.9 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 43 (59%)

Requests Now

73

After Optimization

30

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 73 CSS, Javascripts, AJAX and image requests in order to completely render the main page of THEATERAKADEMIE KOELN. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 27 to 1 for JavaScripts and from 18 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

theaterakademie-koeln.de accessibility score

77

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.

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

ARIA IDs are not unique

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

Low

No form fields have multiple labels

High

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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

theaterakademie-koeln.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

theaterakademie-koeln.de SEO score

85

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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 Theaterakademie-koeln.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 Theaterakademie-koeln.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 THEATERAKADEMIE KOELN. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: