Tools & Wizards About Us
robotron-online.de screenshot

Report Summary

  • 90

    Performance

    Renders faster than
    91% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

robotron-online.de

Robotron Bildungszentrum - Ihr Bildungsträger für Weiterbildung und Umschulung in Leipzig, Chemnitz, Dresden, Halle, Döbeln und Erfurt | Bildungszentr...

Page Load Speed

2 sec in total

First Response

218 ms

Resources Loaded

1.4 sec

Page Rendered

365 ms

robotron-online.de screenshot

About Website

Click here to check amazing Robotron Online content. Otherwise, check out these important facts you probably never knew about robotron-online.de

Das Robotron Bildungszentrum ist ein regionaler Bildungsträger, fokussiert auf geförderte Weiterbildung, Umschulung und Firmenseminare in Sachsen, Sachsen-Anhalt und Thüringen. Hier steht der Mensch i...

Visit robotron-online.de

Key Findings

We analyzed Robotron-online.de page load time and found that the first response time was 218 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

robotron-online.de performance score

90

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

88/100

10%

LCP (Largest Contentful Paint)

Value3.3 s

69/100

25%

SI (Speed Index)

Value2.8 s

96/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.007

100/100

15%

TTI (Time to Interactive)

Value3.2 s

94/100

10%

Network Requests Diagram

robotron-online.de

218 ms

www.robotron-online.de

591 ms

cst1.css

286 ms

Privacylayer.css

282 ms

Privacycatcher.js

285 ms

Our browser made a total of 17 requests to load all elements on the main page. We found that 94% of them (16 requests) were addressed to the original Robotron-online.de, 6% (1 request) were made to . The less responsive or slowest element that took the longest time to load (591 ms) belongs to the original domain Robotron-online.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 70.6 kB (74%)

Content Size

95.6 kB

After Optimization

25.0 kB

  • HTML
  • Images

In fact, the total size of Robotron-online.de main page is 95.6 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. 20% of websites need less resources to load. HTML takes 83.9 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 70.6 kB

  • Original 83.9 kB
  • After minification 83.4 kB
  • After compression 13.3 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 70.6 kB or 84% of the original size.

Image Optimization

-0%

Potential reduce by 2 B

  • Original 11.7 kB
  • After minification 11.7 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. Robotron Online images are well optimized though.

Requests Breakdown

We found no issues to fix!

Requests Now

10

After Optimization

10

  • Images
  • JavaScript
  • CSS

The browser has sent 10 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Robotron Online. According to our analytics all requests are already optimized.

Network Requests Diagram

robotron-online.de

robotron-online.de

218 ms

www.robotron-online.de

www.robotron-online.de

591 ms

cst1.css

cst1.css

286 ms

Privacylayer.css

Privacylayer.css

282 ms

Privacycatcher.js

Privacycatcher.js

285 ms

scripts.js

scripts.js

490 ms

Privacylayer.js

Privacylayer.js

383 ms

robotron-logo.svg

robotron-logo.svg

96 ms

footer-ecdl.jpg

footer-ecdl.jpg

95 ms

footer-pearson.jpg

footer-pearson.jpg

95 ms

footer-datev.jpg

footer-datev.jpg

188 ms

footer-dekra.jpg

footer-dekra.jpg

188 ms

Roboto-Regular-webfont.woff

Roboto-Regular-webfont.woff

143 ms

kBsadHAwcDMkFGxnYnTYyMGhBaC4UeicDAwM3EmsnAzMDg8tGFcaOwIgNDh0RIH6Ky0YNEH8HBwNEgMElUnqjOkhoF0cDAyOLQ0dyCEwCBDYy8GntYPzfuoGldyMTg8tm1hQ2BhcXAJQcKgcAAA==

kBsadHAwcDMkFGxnYnTYyMGhBaC4UeicDAwM3EmsnAzMDg8tGFcaOwIgNDh0RIH6Ky0YNEH8HBwNEgMElUnqjOkhoF0cDAyOLQ0dyCEwCBDYy8GntYPzfuoGldyMTg8tm1hQ2BhcXAJQcKgcAAA==

5 ms

cc-basic-icons.svg

cc-basic-icons.svg

277 ms

Roboto-Bold-webfont.woff

Roboto-Bold-webfont.woff

326 ms

Roboto-Light-webfont.woff

Roboto-Light-webfont.woff

334 ms

Accessibility Review

robotron-online.de accessibility score

88

Accessibility Issues

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

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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

[id] attributes on active, focusable elements 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

High

Links do not have a discernible name

Best Practices

robotron-online.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

SEO Factors

robotron-online.de SEO score

91

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

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 Robotron-online.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 Robotron-online.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

robotron-online.de

Open Graph description is not detected on the main page of Robotron Online. 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: