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Welcome to hdg.de homepage info - get ready to check Hdg best content for Germany right away, or after learning these important things about hdg.de
Die Stiftung vermittelt deutsche Zeitgeschichte nach 1945 in vier Museen in Bonn, Berlin und Leipzig sowie im Internet. Eintritt und Angebote sind kostenfrei.Visit hdg.de
We analyzed Hdg.de page load time and found that the first response time was 328 ms and then it took 860 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.
hdg.de performance score
Our browser made a total of 1 request to load all elements on the main page. We found that all of those requests were addressed to Hdg.de and no external sources were called. The less responsive or slowest element that took the longest time to load (328 ms) belongs to the original domain Hdg.de.
Page size can be reduced by 62 B (25%)
In fact, the total size of Hdg.de main page is 253 B. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. HTML takes 253 B which makes up the majority of the site volume.
Potential reduce by 62 B
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 62 B or 25% of the original size.
We found no issues to fix!
hdg.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.
[aria-*] attributes do not match their roles
ARIA input fields do not have accessible names
Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.
[aria-*] attributes do not have valid values
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
These items highlight common accessibility best practices.
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
hdg.de best practices score
Trust and Safety
Does not use HTTPS
Ensure CSP is effective against XSS attacks
Page has valid source maps
hdg.de SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Links are not crawlable
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 Hdg.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 Hdg.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 Hdg. 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: