Access schulmediathek.com. Unterrichtsmaterial für Lehrkräfte - Lehrfilme, Arbeitsblätter, Bildungsflat

schulmediathek.com screenshot

28

Performance

Renders faster than
48% of other websites
83

Accessibility

Visual factors better than
that of 56% of websites
75

Best Practices

More advanced features
available than in
36% of websites
90

SEO

Google-friendlier than
68% of websites

First Response

256 ms

Resources Loaded

8 sec

Page Rendered

943 ms

schulmediathek.com screenshot

About Website

Welcome to schulmediathek.com homepage info - get ready to check Schulmediathek best content right away, or after learning these important things about schulmediathek.com

Shop und Portal bieten tausende digitale Bildungsmedien für alle Fächer und Schulstufen als Flatrate oder im Einzelkauf.

Visit schulmediathek.com

Key Findings

We analyzed Schulmediathek.com page load time and found that the first response time was 256 ms and then it took 9 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

21/100

10%

LCP (Largest Contentful Paint)

Value6.3 s

10/100

25%

SI (Speed Index)

Value6.5 s

39/100

10%

TBT (Total Blocking Time)

Value520 ms

56/100

30%

CLS (Cumulative Layout Shift)

Value1.748

0/100

15%

TTI (Time to Interactive)

Value10.8 s

22/100

10%

eduflat.de

256 ms

www.eduflat.de

1117 ms

modal.min.js

197 ms

modal.js

308 ms

modal.min.css

349 ms

Our browser made a total of 177 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Schulmediathek.com, 2% (3 requests) were made to Cdnjs.cloudflare.com and 1% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (5 sec) relates to the external source Cdn.jsdelivr.net.

Content Size

11.4 MB

After Optimization

11.1 MB

In fact, the total size of Schulmediathek.com main page is 11.4 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. 85% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 11.1 MB which makes up the majority of the site volume.

HTML Optimization

-92%

Potential reduce by 185.4 kB

Original 202.4 kB
After minification 184.1 kB
After compression 17.0 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 185.4 kB or 92% of the original size.

Image Optimization

-1%

Potential reduce by 73.8 kB

Original 11.1 MB
After minification 11.0 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. Schulmediathek images are well optimized though.

JavaScript Optimization

-17%

Potential reduce by 15.3 kB

Original 88.1 kB
After minification 88.1 kB
After compression 72.7 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 15.3 kB or 17% of the original size.

Requests Now

174

After Optimization

155

The browser has sent 174 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Schulmediathek. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

Buttons do not have an accessible name

High

Links do not have a discernible name

These are opportunities to improve keyboard navigation in your application.

High

[id] attributes on active, focusable elements are not unique

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Page has valid source maps

Search Engine Optimization Advices

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

High

Links are not crawlable

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

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

DE
Language Claimed

DE
Encoding

ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Schulmediathek.com 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 Schulmediathek.com main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

schulmediathek.com

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