6.4 sec in total
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Welcome to klett-gruppe.de homepage info - get ready to check Klett Gruppe best content for Germany right away, or after learning these important things about klett-gruppe.de
Die Klett Gruppe ist ein führendes Bildungsunternehmen in Europa und ist international in 16 Ländern vertreten. Das Angebot umfasst klassische und moderne Bildungsmedien für den Schulalltag sowie die ...
Visit klett-gruppe.deWe analyzed Klett-gruppe.de page load time and found that the first response time was 1.2 sec and then it took 5.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
klett-gruppe.de performance score
name
value
score
weighting
Value2.2 s
77/100
10%
Value4.6 s
34/100
25%
Value5.3 s
58/100
10%
Value150 ms
94/100
30%
Value1
2/100
15%
Value4.6 s
82/100
10%
1229 ms
623 ms
99 ms
195 ms
196 ms
Our browser made a total of 46 requests to load all elements on the main page. We found that all of those requests were addressed to Klett-gruppe.de and no external sources were called. The less responsive or slowest element that took the longest time to load (2.7 sec) belongs to the original domain Klett-gruppe.de.
Page size can be reduced by 287.5 kB (10%)
3.0 MB
2.7 MB
In fact, the total size of Klett-gruppe.de main page is 3.0 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. 15% of websites need less resources to load. Images take 2.7 MB which makes up the majority of the site volume.
Potential reduce by 18.4 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. This page needs HTML code to be minified as it can gain 4.1 kB, which is 18% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 18.4 kB or 81% of the original size.
Potential reduce by 16.7 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. Klett Gruppe images are well optimized though.
Potential reduce by 212.5 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 212.5 kB or 81% of the original size.
Potential reduce by 39.8 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. Klett-gruppe.de needs all CSS files to be minified and compressed as it can save up to 39.8 kB or 85% of the original size.
Number of requests can be reduced by 22 (50%)
44
22
The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Klett Gruppe. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
klett-gruppe.de
1229 ms
startseite.30.htm
623 ms
screen.css
99 ms
galleriffic.css
195 ms
gallery.css
196 ms
fancybox.css
199 ms
jquery-132.js
343 ms
jquery_fancybox-130_custom.js
200 ms
jquery_mousewheel-302_pack.js
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custom.js
290 ms
jquery.galleriffic.js
291 ms
gallery.js
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bg_site_gradient.png
97 ms
bg_logo_klett.png
100 ms
logo_klett_print.gif
101 ms
icon_home.gif
98 ms
bg_searchfield.png
101 ms
btn_submit.png
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icon_flag_en.png
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bg_content_header.png
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bg_content_main.png
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bg_content_footer.jpg
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bg_navi_header.png
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bg_navi_separator.gif
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klett_visual_startseite.jpg
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bg_coveredge_teaserimage.gif
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bg_newsheader_pipe.gif
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klett-gruppe.jpg.711.jpg
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leipziger-buchmesse-2015.jpg.7182.jpg
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didacta-koeln.jpg.9178.jpg
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frankfurter-buchmesse.jpg.6107.jpg
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icon_arrowright.gif
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bg_right_column_header.gif
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bg_right_column.gif
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095b.jpg.8701.jpg
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bg_right_column_separator.gif
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winter.8935.png.8937.png
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H%C3%A4nde.jpg.8507.jpg
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Stuttgarter%20Medienkongress.jpg.8482.jpg
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thodor-wanner-preis.jpg.7580.jpg
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feuersee-stunde-null.jpg.7547.jpg
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13104%20Klett%20Umsatzkuchen%20dt%202013-150.jpg.5802.jpg
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bg_right_column_footer.gif
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logo_klettgruppe.jpg
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navi_pipe.gif
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piwik.js
1683 ms
klett-gruppe.de accessibility score
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
Buttons do not have an accessible name
Links do not have a discernible name
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
klett-gruppe.de best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
klett-gruppe.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
DE
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Klett-gruppe.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 Klett-gruppe.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.
klett-gruppe.de
Open Graph description is not detected on the main page of Klett Gruppe. 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: