4.9 sec in total
Welcome to klett.de homepage info - get ready to check Klett best content for Germany right away, or after learning these important things about klett.de
Der Ernst Klett Verlag bietet Ihnen eine breitgefächerte Auswahl an Schulbüchern, Lernsoftware und Materialien für Lernende und Lehrende. Besuchen Sie unseren Onlineshop und überzeugen Sie s...Visit klett.de
We analyzed Klett.de page load time and found that the first response time was 676 ms and then it took 4.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
klett.de performance score
Our browser made a total of 6 requests to load all elements on the main page. We found that all of those requests were addressed to Klett.de and no external sources were called. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Klett.de.
Page size can be reduced by 126.4 kB (72%)
In fact, the total size of Klett.de main page is 174.7 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. HTML takes 133.7 kB which makes up the majority of the site volume.
Potential reduce by 124.5 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 78.4 kB, which is 59% 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 124.5 kB or 93% of the original size.
Potential reduce by 1.9 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 images are well optimized though.
We found no issues to fix!
klett.de accessibility score
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.
button, link, and menuitem elements do not have accessible names.
These are opportunities to improve the legibility of your content.
Background and foreground colors do not have a sufficient contrast ratio.
These are opportunities to improve keyboard navigation in your application.
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.
Links do not have a discernible name
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
List items (<li>) are not contained within <ul> or <ol> parent elements.
klett.de best practices score
Trust and Safety
Does not use HTTPS
Ensure CSP is effective against XSS attacks
Serves images with low resolution
klett.de SEO score
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/).
Document uses legible font sizes
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Klett.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.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.
Open Graph description is not detected on the main page of Klett. 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: