Tools & Wizards About Us
online-akademie-koeln.de screenshot

Report Summary

  • 40

    Performance

    Renders faster than
    59% of other websites

  • 97

    Accessibility

    Visual factors better than
    that of 91% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

online-akademie-koeln.de

OAK - Online Akademie GmbH

Page Load Speed

3.9 sec in total

First Response

296 ms

Resources Loaded

3.6 sec

Page Rendered

61 ms

online-akademie-koeln.de screenshot

About Website

Welcome to online-akademie-koeln.de homepage info - get ready to check Online Akademie Koeln best content right away, or after learning these important things about online-akademie-koeln.de

Unsere Vision ist, dass jeder Mensch seine Berufung findet und dieser mit Leidenschaft und Erfolg nachgeht. Wir stellen ein!

Visit online-akademie-koeln.de

Key Findings

We analyzed Online-akademie-koeln.de page load time and found that the first response time was 296 ms and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

online-akademie-koeln.de performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

58/100

10%

LCP (Largest Contentful Paint)

Value13.4 s

0/100

25%

SI (Speed Index)

Value5.5 s

55/100

10%

TBT (Total Blocking Time)

Value720 ms

41/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value12.9 s

13/100

10%

Network Requests Diagram

online-akademie-koeln.de

296 ms

www.online-akademie.com

47 ms

minified.js

36 ms

focus-within-polyfill.js

33 ms

polyfill.min.js

1155 ms

Our browser made a total of 87 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Online-akademie-koeln.de, 63% (55 requests) were made to Static.wixstatic.com and 17% (15 requests) were made to Static.parastorage.com. The less responsive or slowest element that took the longest time to load (1.4 sec) relates to the external source Static.wixstatic.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 900.5 kB (26%)

Content Size

3.5 MB

After Optimization

2.6 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Online-akademie-koeln.de main page is 3.5 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. 55% of websites need less resources to load. Images take 2.6 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 401.4 kB

  • Original 508.5 kB
  • After minification 506.7 kB
  • After compression 107.0 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 401.4 kB or 79% of the original size.

Image Optimization

-15%

Potential reduce by 383.9 kB

  • Original 2.6 MB
  • After minification 2.3 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. Obviously, Online Akademie Koeln needs image optimization as it can save up to 383.9 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-33%

Potential reduce by 115.2 kB

  • Original 353.4 kB
  • After minification 353.4 kB
  • After compression 238.2 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 115.2 kB or 33% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (15%)

Requests Now

71

After Optimization

60

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 71 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Online Akademie 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 12 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

online-akademie-koeln.de

online-akademie-koeln.de

296 ms

www.online-akademie.com

www.online-akademie.com

47 ms

minified.js

minified.js

36 ms

focus-within-polyfill.js

focus-within-polyfill.js

33 ms

polyfill.min.js

polyfill.min.js

1155 ms

thunderbolt-commons.01a1d4ab.bundle.min.js

thunderbolt-commons.01a1d4ab.bundle.min.js

52 ms

main.7ae9ac9b.bundle.min.js

main.7ae9ac9b.bundle.min.js

53 ms

main.renderer.1d21f023.bundle.min.js

main.renderer.1d21f023.bundle.min.js

18 ms

lodash.min.js

lodash.min.js

51 ms

react.production.min.js

react.production.min.js

51 ms

react-dom.production.min.js

react-dom.production.min.js

53 ms

siteTags.bundle.min.js

siteTags.bundle.min.js

52 ms

wix-perf-measure.umd.min.js

wix-perf-measure.umd.min.js

53 ms

studycheck.jpg

studycheck.jpg

252 ms

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423 ms

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414 ms

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448 ms

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415 ms

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473 ms

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424 ms

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554 ms

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564 ms

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575 ms

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889 ms

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634 ms

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610 ms

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708 ms

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852 ms

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848 ms

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854 ms

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779 ms

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861 ms

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1033 ms

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1028 ms

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1046 ms

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1073 ms

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1079 ms

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1072 ms

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1193 ms

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1219 ms

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1194 ms

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1327 ms

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1209 ms

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1263 ms

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1330 ms

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1386 ms

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1407 ms

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1359 ms

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1379 ms

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15 ms

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15 ms

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101 ms

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1189 ms

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1115 ms

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1176 ms

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1200 ms

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1382 ms

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1102 ms

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1150 ms

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1081 ms

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1082 ms

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1135 ms

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1127 ms

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1136 ms

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1120 ms

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1037 ms

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1046 ms

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1059 ms

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1120 ms

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1059 ms

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1062 ms

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6 ms

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25 ms

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11 ms

right-arrow.svg

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9 ms

Accessibility Review

online-akademie-koeln.de accessibility score

97

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.

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

online-akademie-koeln.de best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

online-akademie-koeln.de SEO score

98

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 Online-akademie-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 Online-akademie-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

online-akademie-koeln.de

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