1.5 sec in total
294 ms
1.1 sec
126 ms
Visit lernstunde.de now to see the best up-to-date Lernstunde content for Germany and also check out these interesting facts you probably never knew about lernstunde.de
Kostenlose Zusammenfassungen von Unterrichtseinheiten, Übungsaufgaben mit Lösungen, Grundwissen, Online-Kurse und vieles mehr für Schüler.
Visit lernstunde.deWe analyzed Lernstunde.de page load time and found that the first response time was 294 ms and then it took 1.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.
lernstunde.de performance score
name
value
score
weighting
Value2.9 s
54/100
10%
Value5.5 s
19/100
25%
Value5.2 s
59/100
10%
Value2,430 ms
5/100
30%
Value0.062
97/100
15%
Value8.5 s
38/100
10%
294 ms
295 ms
96 ms
7 ms
18 ms
Our browser made a total of 18 requests to load all elements on the main page. We found that 28% of them (5 requests) were addressed to the original Lernstunde.de, 22% (4 requests) were made to Tpc.googlesyndication.com and 11% (2 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (364 ms) belongs to the original domain Lernstunde.de.
Page size can be reduced by 19.8 kB (13%)
154.2 kB
134.4 kB
In fact, the total size of Lernstunde.de main page is 154.2 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. 25% of websites need less resources to load. Images take 71.0 kB which makes up the majority of the site volume.
Potential reduce by 7.9 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 7.9 kB or 73% of the original size.
Potential reduce by 8.2 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, Lernstunde needs image optimization as it can save up to 8.2 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 1.0 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.
Potential reduce by 2.7 kB
CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Lernstunde.de needs all CSS files to be minified and compressed as it can save up to 2.7 kB or 80% of the original size.
Number of requests can be reduced by 7 (44%)
16
9
The browser has sent 16 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lernstunde. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.
lernstunde.de
294 ms
www.lernstunde.de
295 ms
lernstunde.css
96 ms
adsbygoogle.js
7 ms
google_service.js
18 ms
urchin.js
23 ms
google_ads.js
17 ms
logo.gif
98 ms
ads
193 ms
startseite.png
364 ms
2591353905124152848
57 ms
abg.js
44 ms
m_js_controller.js
55 ms
googlelogo_color_112x36dp.png
40 ms
osd.js
13 ms
__utm.gif
20 ms
x_button_blue2.png
4 ms
s
22 ms
lernstunde.de accessibility score
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
[aria-*] attributes do not match their roles
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
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
Form elements do not have associated labels
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
lernstunde.de best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
lernstunde.de SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
DE
DE
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Lernstunde.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 Lernstunde.de 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.
lernstunde.de
Open Graph description is not detected on the main page of Lernstunde. 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: