Report Summary

  • 64

    Performance

    Renders faster than
    78% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 93

    SEO

    Google-friendlier than
    84% of websites

tsb-berlin.de

Alles wird digital. Alles. | Technologiestiftung Berlin

Page Load Speed

10.1 sec in total

First Response

319 ms

Resources Loaded

4.1 sec

Page Rendered

5.6 sec

tsb-berlin.de screenshot

About Website

Welcome to tsb-berlin.de homepage info - get ready to check Tsb Berlin best content right away, or after learning these important things about tsb-berlin.de

Wir engagieren uns für Berlins digitale Transformation in Verwaltung, Bildung, Kultur und Wirtschaft – gemeinwohlorientiert und transparent.

Visit tsb-berlin.de

Key Findings

We analyzed Tsb-berlin.de page load time and found that the first response time was 319 ms and then it took 9.7 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

tsb-berlin.de performance score

64

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

45/100

10%

LCP (Largest Contentful Paint)

Value5.8 s

15/100

25%

SI (Speed Index)

Value5.7 s

51/100

10%

TBT (Total Blocking Time)

Value140 ms

96/100

30%

CLS (Cumulative Layout Shift)

Value0.011

100/100

15%

TTI (Time to Interactive)

Value5.3 s

73/100

10%

Network Requests Diagram

tsb-berlin.de

319 ms

www.technologiestiftung-berlin.de

1226 ms

main.css

231 ms

leaflet.css

393 ms

map.css

392 ms

Our browser made a total of 26 requests to load all elements on the main page. We found that 4% of them (1 request) were addressed to the original Tsb-berlin.de, 88% (23 requests) were made to Technologiestiftung-berlin.de and 4% (1 request) were made to I.ibb.co. The less responsive or slowest element that took the longest time to load (1.2 sec) relates to the external source Piwik.technologiestiftung-berlin.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 232.3 kB (68%)

Content Size

343.1 kB

After Optimization

110.8 kB

In fact, the total size of Tsb-berlin.de main page is 343.1 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. 45% of websites need less resources to load. HTML takes 212.5 kB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 189.0 kB

  • Original 212.5 kB
  • After minification 129.6 kB
  • After compression 23.5 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. This page needs HTML code to be minified as it can gain 82.9 kB, which is 39% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 189.0 kB or 89% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 66.5 kB
  • After minification 66.5 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. Tsb Berlin images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 43.3 kB

  • Original 64.1 kB
  • After minification 64.1 kB
  • After compression 20.9 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 43.3 kB or 67% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

20

After Optimization

20

The browser has sent 20 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tsb Berlin. According to our analytics all requests are already optimized.

Accessibility Review

tsb-berlin.de accessibility score

82

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

[aria-*] attributes do not have valid values

High

[aria-*] attributes are not valid or misspelled

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

tsb-berlin.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

tsb-berlin.de SEO score

93

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

robots.txt is not valid

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

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 Tsb-berlin.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 Tsb-berlin.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 Tsb Berlin. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: