Access lisum.berlin-brandenburg.de. Landesinstitut für Schule und Medien Berlin-Brandenburg

Report Summary

About Website

Welcome to lisum.berlin-brandenburg.de homepage info - get ready to check Lisum Berlin Brandenburg best content for Germany right away, or after learning these important things about lisum.berlin-brandenburg.de

Das LISUM – Ihr Ansprechpartner in Sachen Unterrichts-, Schul- und Personalentwicklung sowie für Medienbildung in der Bildungsregion Berlin-Brandenburg.

Visit lisum.berlin-brandenburg.de

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

33/100

10%

LCP (Largest Contentful Paint)

Value9.3 s

1/100

25%

SI (Speed Index)

Value7.4 s

28/100

10%

TBT (Total Blocking Time)

Value270 ms

82/100

30%

CLS (Cumulative Layout Shift)

Value0.05

99/100

15%

TTI (Time to Interactive)

Value8.5 s

37/100

10%

lisum.berlin-brandenburg.de

229 ms

lisum

632 ms

13d4ae3b5bc55d19884f92cfb185d1e4.css

357 ms

suggest.css

357 ms

fonts.css

358 ms

Our browser made a total of 48 requests to load all elements on the main page. We found that all of those requests were addressed to Lisum.berlin-brandenburg.de and no external sources were called. The less responsive or slowest element that took the longest time to load (751 ms) belongs to the original domain Lisum.berlin-brandenburg.de.

Content Size

724.2 kB

After Optimization

136.9 kB

In fact, the total size of Lisum.berlin-brandenburg.de main page is 724.2 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. 35% of websites need less resources to load. HTML takes 686.6 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 578.3 kB

Original 686.6 kB
After minification 675.3 kB
After compression 108.3 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 578.3 kB or 84% of the original size.

Image Optimization

-24%

Potential reduce by 9.1 kB

Original 37.6 kB
After minification 28.5 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. Obviously, Lisum Berlin Brandenburg needs image optimization as it can save up to 9.1 kB or 24% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

Requests Now

After Optimization

The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lisum Berlin Brandenburg. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Page has valid source maps

Search Engine Optimization Advices

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/).

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 Lisum.berlin-brandenburg.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 Lisum.berlin-brandenburg.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 description is not detected on the main page of Lisum Berlin Brandenburg. 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: