1.9 sec in total
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Hier finden sie Ideen und Bausteine für den modernen Physikunterricht. Zum Beispiel: LED-Strahler, U-Magnete, Stabmagnete...Visit alphys.de
We analyzed Alphys.de page load time and found that the first response time was 463 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster. This domain responded with an error, which can significantly jeopardize Alphys.de rating and web reputation
alphys.de performance score
Our browser made a total of 24 requests to load all elements on the main page. We found that 96% of them (23 requests) were addressed to the original Alphys.de, 4% (1 request) were made to Piwik.alphys.de. The less responsive or slowest element that took the longest time to load (466 ms) belongs to the original domain Alphys.de.
Page size can be reduced by 181.9 kB (43%)
In fact, the total size of Alphys.de main page is 427.5 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. Images take 215.3 kB which makes up the majority of the site volume.
Potential reduce by 6.0 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 6.0 kB or 62% of the original size.
Potential reduce by 42.8 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. Obviously, Alphys needs image optimization as it can save up to 42.8 kB or 20% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 127.1 kB
Potential reduce by 6.0 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. Alphys.de needs all CSS files to be minified and compressed as it can save up to 6.0 kB or 75% of the original size.
Number of requests can be reduced by 6 (27%)
alphys.de accessibility score
alphys.de best practices score
Trust and Safety
Does not use HTTPS
Ensure CSP is effective against XSS attacks
Serves images with low resolution
Browser errors were logged to the console
alphys.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
Tap targets are not sized appropriately
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Alphys.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 Alphys.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 Alphys. 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: