3.3 sec in total
190 ms
2.4 sec
675 ms
Visit mathe-plus.de now to see the best up-to-date Mathe Plus content and also check out these interesting facts you probably never knew about mathe-plus.de
Der Cornelsen Verlag bietet Bildungsmedien wie Schulbücher, Arbeitshefte und Materialien für den Unterricht für Lernende und Lehrende.
Visit mathe-plus.deWe analyzed Mathe-plus.de page load time and found that the first response time was 190 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
mathe-plus.de performance score
name
value
score
weighting
Value2.5 s
66/100
10%
Value12.2 s
0/100
25%
Value9.3 s
13/100
10%
Value1,360 ms
16/100
30%
Value0.167
71/100
15%
Value16.2 s
5/100
10%
190 ms
617 ms
100 ms
31 ms
180 ms
Our browser made a total of 58 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Mathe-plus.de, 64% (37 requests) were made to Cornelsen.de and 34% (20 requests) were made to Static.cornelsen.de. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Cornelsen.de.
Page size can be reduced by 438.0 kB (14%)
3.2 MB
2.7 MB
In fact, the total size of Mathe-plus.de main page is 3.2 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. 75% 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 2.2 MB which makes up the majority of the site volume.
Potential reduce by 193.4 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. 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 193.4 kB or 87% of the original size.
Potential reduce by 56.5 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. Mathe Plus images are well optimized though.
Potential reduce by 187.8 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 187.8 kB or 29% of the original size.
Potential reduce by 290 B
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. Mathe-plus.de has all CSS files already compressed.
Number of requests can be reduced by 10 (19%)
53
43
The browser has sent 53 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Mathe Plus. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.
mathe-plus.de
190 ms
www.cornelsen.de
617 ms
critical.css
100 ms
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31 ms
tracking.min.js
180 ms
tracking-init.js
291 ms
LastVisitedNode.js
291 ms
widget-runtime.js
491 ms
app.js
476 ms
index.js
643 ms
main.js
476 ms
element-loader.js
370 ms
cornelsen-consent-manager.js
730 ms
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CV_SourceSans_Regular.woff
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CV_SourceSans_Light.woff
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CV_SourceSans_Semibold.woff
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polyfill.min.js
341 ms
config.json
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webcomponents-bundle.js
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mathe-plus.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
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
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.
mathe-plus.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
Page has valid source maps
mathe-plus.de SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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 Mathe-plus.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 Mathe-plus.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.
mathe-plus.de
Open Graph data is detected on the main page of Mathe Plus. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: