5.1 sec in total
Click here to check amazing Dhm content for Germany. Otherwise, check out these important facts you probably never knew about dhm.de
Das Deutsche Historische Museum in Berlin ist Deutschlands nationales Geschichtsmuseum und eines der größten Geschichtsmuseen der Welt.Visit dhm.de
We analyzed Dhm.de page load time and found that the first response time was 517 ms and then it took 4.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
dhm.de performance score
Our browser made a total of 79 requests to load all elements on the main page. We found that 90% of them (71 requests) were addressed to the original Dhm.de, 3% (2 requests) were made to and 3% (2 requests) were made to Otile3.mqcdn.com. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Dhm.de.
Page size can be reduced by 820.9 kB (27%)
In fact, the total size of Dhm.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. 50% of websites need less resources to load. Images take 1.7 MB which makes up the majority of the site volume.
Potential reduce by 41.2 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 9.1 kB, which is 19% 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 41.2 kB or 85% of the original size.
Potential reduce by 44.2 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. Dhm images are well optimized though.
Potential reduce by 414.7 kB
Potential reduce by 320.8 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. Dhm.de needs all CSS files to be minified and compressed as it can save up to 320.8 kB or 50% of the original size.
Number of requests can be reduced by 44 (58%)
dhm.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
Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.
[role]s are not contained by their required parent element
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.
List items (<li>) are not contained within <ul> or <ol> parent elements.
dhm.de best practices score
Trust and Safety
Does not use HTTPS
Ensure CSP is effective against XSS attacks
dhm.de SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
robots.txt is not valid
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Document doesn't have a valid hreflang
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
Tap targets are not sized appropriately
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dhm.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 Dhm.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 Dhm. 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: