3.2 sec in total
331 ms
2.6 sec
226 ms
Welcome to lern-online.net homepage info - get ready to check Lern Online best content for Germany right away, or after learning these important things about lern-online.net
Lern-Online.net bietet Schülern & Studenten ✅ Erläuterungen & ✅ Videos. Kostenlose Übungen mit Lösungen helfen beim Online Lernen Erfolg.
Visit lern-online.netWe analyzed Lern-online.net page load time and found that the first response time was 331 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 50% of websites can load faster.
lern-online.net performance score
name
value
score
weighting
Value3.1 s
46/100
10%
Value4.0 s
50/100
25%
Value5.7 s
51/100
10%
Value1,120 ms
23/100
30%
Value0.237
52/100
15%
Value11.3 s
19/100
10%
331 ms
413 ms
8 ms
294 ms
391 ms
Our browser made a total of 67 requests to load all elements on the main page. We found that 52% of them (35 requests) were addressed to the original Lern-online.net, 9% (6 requests) were made to Pagead2.googlesyndication.com and 6% (4 requests) were made to Googleads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (702 ms) relates to the external source Encrypted-tbn2.gstatic.com.
Page size can be reduced by 234.7 kB (59%)
399.2 kB
164.5 kB
In fact, the total size of Lern-online.net main page is 399.2 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. 40% of websites need less resources to load. CSS take 202.3 kB which makes up the majority of the site volume.
Potential reduce by 18.1 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 18.1 kB or 74% of the original size.
Potential reduce by 812 B
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. Lern Online images are well optimized though.
Potential reduce by 42.6 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 42.6 kB or 29% of the original size.
Potential reduce by 173.2 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. Lern-online.net needs all CSS files to be minified and compressed as it can save up to 173.2 kB or 86% of the original size.
Number of requests can be reduced by 49 (82%)
60
11
The browser has sent 60 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lern Online. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
lern-online.net
331 ms
www.lern-online.net
413 ms
bootstrap.min.css
8 ms
website.css
294 ms
animate.min.css
391 ms
jquery.min.js
48 ms
adsbygoogle.js
13 ms
bootstrap.min.js
7 ms
wow-1.1.2min.js
105 ms
cookieconsent.latest.min.js
22 ms
ca-pub-2032684268548794.js
101 ms
zrt_lookup.html
59 ms
show_ads_impl.js
59 ms
logo.png
108 ms
daenisch.png
107 ms
deutsch.png
105 ms
englisch.png
203 ms
franzoesisch.png
205 ms
indonesisch.png
203 ms
italienisch.png
209 ms
latein.png
209 ms
niederlaendisch.png
213 ms
polnisch.png
299 ms
portugiesisch.png
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russisch.png
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schwedisch.png
341 ms
spanisch.png
340 ms
tuerkisch.png
340 ms
biologie.png
400 ms
chemie.png
403 ms
physik.png
404 ms
mathematik.png
413 ms
informatik.png
415 ms
kunst.png
414 ms
musik.png
501 ms
geschichte.png
503 ms
philosophie.png
506 ms
politik.png
514 ms
wirtschaft.png
515 ms
ordner.png
517 ms
drucker.png
616 ms
ajs.php
275 ms
pla
14 ms
ads
305 ms
lg.php
30 ms
osd.js
9 ms
ajs.php
239 ms
match.aspx
19 ms
ads
228 ms
lg.php
27 ms
analytics.js
40 ms
mobil.css
116 ms
m_js_controller.js
40 ms
abg.js
55 ms
collect
25 ms
favicon
89 ms
googlelogo_color_112x36dp.png
86 ms
nessie_icon_tiamat_white.png
32 ms
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x_button_blue2.png
9 ms
printer.css
111 ms
ga-audiences
95 ms
E4WYPs_lNJIuXrWpTsOcc3FIG36RfI0ERc0srw5QW9Y.js
45 ms
favicon
702 ms
collect
40 ms
ui
35 ms
lern-online.net accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
Links do not have a discernible name
lern-online.net 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
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
lern-online.net SEO score
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
Document uses legible font sizes
Tap targets are not sized appropriately
DE
DE
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Lern-online.net 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 Lern-online.net 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.
lern-online.net
Open Graph description is not detected on the main page of Lern Online. 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: