Report Summary

  • 65

    Performance

    Renders faster than
    78% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

tsb-berlin.de

Für das lebenswerte Berlin von morgen. | Technologiestiftung Berlin

Page Load Speed

3.2 sec in total

First Response

302 ms

Resources Loaded

2.2 sec

Page Rendered

708 ms

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 302 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

tsb-berlin.de performance score

65

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

70/100

10%

LCP (Largest Contentful Paint)

Value5.0 s

26/100

25%

SI (Speed Index)

Value4.2 s

77/100

10%

TBT (Total Blocking Time)

Value390 ms

68/100

30%

CLS (Cumulative Layout Shift)

Value0.01

100/100

15%

TTI (Time to Interactive)

Value4.2 s

85/100

10%

Network Requests Diagram

tsb-berlin.de

302 ms

www.technologiestiftung-berlin.de

678 ms

main.css

307 ms

leaflet.css

286 ms

map.css

287 ms

Our browser made a total of 21 requests to load all elements on the main page. We found that 5% of them (1 request) were addressed to the original Tsb-berlin.de, 90% (19 requests) were made to Technologiestiftung-berlin.de and 5% (1 request) were made to Piwik.technologiestiftung-berlin.de. The less responsive or slowest element that took the longest time to load (791 ms) relates to the external source Technologiestiftung-berlin.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 358.5 kB (73%)

Content Size

494.1 kB

After Optimization

135.6 kB

In fact, the total size of Tsb-berlin.de main page is 494.1 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. 40% of websites need less resources to load. HTML takes 405.7 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 358.3 kB

  • Original 405.7 kB
  • After minification 293.4 kB
  • After compression 47.3 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. This page needs HTML code to be minified as it can gain 112.2 kB, which is 28% 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 358.3 kB or 88% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 66.9 kB
  • After minification 66.9 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

-1%

Potential reduce by 168 B

  • Original 21.6 kB
  • After minification 21.6 kB
  • After compression 21.4 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. This website has mostly compressed JavaScripts.

Requests Breakdown

We found no issues to fix!

Requests Now

16

After Optimization

16

The browser has sent 16 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

84

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

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: