18 sec in total
315 ms
14.4 sec
3.3 sec
Welcome to lehrerfreund.de homepage info - get ready to check Lehrerfreund best content for Germany right away, or after learning these important things about lehrerfreund.de
Der Lehrerfreund. Das führende Lehrer-Magazin im Web seit 19 Jahren. Mit individuell anpassbaren Notenschlüsselrechner-Tools (auch: Abiturschlüssel, IHK) und mehr als 1.000 Unterrichtsmaterialien (Deu...
Visit lehrerfreund.deWe analyzed Lehrerfreund.de page load time and found that the first response time was 315 ms and then it took 17.7 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.
lehrerfreund.de performance score
name
value
score
weighting
Value2.9 s
54/100
10%
Value3.8 s
55/100
25%
Value3.4 s
90/100
10%
Value370 ms
71/100
30%
Value0.004
100/100
15%
Value6.7 s
57/100
10%
315 ms
12294 ms
211 ms
30 ms
27 ms
Our browser made a total of 56 requests to load all elements on the main page. We found that 45% of them (25 requests) were addressed to the original Lehrerfreund.de, 14% (8 requests) were made to Googleads.g.doubleclick.net and 13% (7 requests) were made to Tpc.googlesyndication.com. The less responsive or slowest element that took the longest time to load (12.3 sec) belongs to the original domain Lehrerfreund.de.
Page size can be reduced by 295.5 kB (44%)
666.8 kB
371.3 kB
In fact, the total size of Lehrerfreund.de main page is 666.8 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. 65% of websites need less resources to load. Javascripts take 234.2 kB which makes up the majority of the site volume.
Potential reduce by 64.0 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 64.0 kB or 83% of the original size.
Potential reduce by 1.1 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. Lehrerfreund images are well optimized though.
Potential reduce by 101.8 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 101.8 kB or 43% of the original size.
Potential reduce by 128.5 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. Lehrerfreund.de needs all CSS files to be minified and compressed as it can save up to 128.5 kB or 84% of the original size.
Number of requests can be reduced by 23 (44%)
52
29
The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lehrerfreund. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and as a result speed up the page load time.
lehrerfreund.de
315 ms
www.lehrerfreund.de
12294 ms
8d7d7b31c4fa424e92580680f3f3dd902575d9a3.1450091207.css
211 ms
wwf2uip.js
30 ms
adsbygoogle.js
27 ms
brand
33 ms
jquery.min.js
50 ms
bootstrap.min.js
341 ms
formValidation.custom-regexp.min.js
340 ms
bootstrap.min.js
253 ms
de_DE.js
253 ms
modernizr-custom.js
253 ms
scripts.js
339 ms
rrssb.min.js
340 ms
rateitHelper.js
339 ms
rateit.js
339 ms
threaded_comments.js
435 ms
brand
92 ms
ga.js
68 ms
gpt.js
9 ms
LFtec-xtrasmall-rgb.png
192 ms
LF-Logo-mini.png
190 ms
tangotaenzer-professionell.jpg
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willkommen-abschied-arbeitsblatt-ausschnitt.jpg
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korrekturumfrage15-artikelbild.jpg
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spickzettel-hand.jpg
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kind-liest-lehrerfreund-buch.jpg
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willkommen-abschied-AB-ausschnitt.jpg
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redner-vor-arbeitsblatt-ausschnitt.png
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fontello.woff
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ca-pub-3511404692926960.js
81 ms
zrt_lookup.html
69 ms
show_ads_impl.js
70 ms
pubads_impl_79.js
17 ms
inpage_linkid.js
51 ms
ads
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container.html
35 ms
pla
17 ms
__utm.gif
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osd.js
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ads
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ads
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ads
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icon-oba.png
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abg.js
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m_js_controller.js
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googlelogo_color_112x36dp.png
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x_button_blue2.png
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lehrerfreund.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
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
lehrerfreund.de best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
lehrerfreund.de 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
DE
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Lehrerfreund.de can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Lehrerfreund.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.
lehrerfreund.de
Open Graph description is not detected on the main page of Lehrerfreund. 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: