6.1 sec in total
303 ms
5.3 sec
403 ms
Visit wissenschaft.de now to see the best up-to-date Wissenschaft content for Germany and also check out these interesting facts you probably never knew about wissenschaft.de
Aktuelle Nachrichten, Videos und Hintergrundberichte aus Wissenschaft und Forschung - Astronomie, Gesundheit, Biologie, Physik, Psychologie, Technik
Visit wissenschaft.deWe analyzed Wissenschaft.de page load time and found that the first response time was 303 ms and then it took 5.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
wissenschaft.de performance score
name
value
score
weighting
Value6.5 s
2/100
10%
Value12.9 s
0/100
25%
Value12.6 s
3/100
10%
Value1,600 ms
12/100
30%
Value0.567
12/100
15%
Value21.4 s
1/100
10%
303 ms
293 ms
204 ms
412 ms
421 ms
Our browser made a total of 236 requests to load all elements on the main page. We found that 62% of them (147 requests) were addressed to the original Wissenschaft.de, 4% (10 requests) were made to Static.xx.fbcdn.net and 3% (7 requests) were made to Scinexx.de. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Wissenschaft.de.
Page size can be reduced by 1.9 MB (21%)
8.9 MB
7.1 MB
In fact, the total size of Wissenschaft.de main page is 8.9 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. 70% of websites need less resources to load. Images take 6.7 MB which makes up the majority of the site volume.
Potential reduce by 248.3 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 57.3 kB, which is 20% 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 248.3 kB or 86% of the original size.
Potential reduce by 244.3 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. Wissenschaft images are well optimized though.
Potential reduce by 741.2 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 741.2 kB or 65% of the original size.
Potential reduce by 645.0 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. Wissenschaft.de needs all CSS files to be minified and compressed as it can save up to 645.0 kB or 86% of the original size.
Number of requests can be reduced by 73 (33%)
224
151
The browser has sent 224 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Wissenschaft. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 51 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.
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wissenschaft.de accessibility score
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
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.
Impact
Issue
Image elements do not have [alt] attributes
wissenschaft.de best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
wissenschaft.de SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
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
DE
DE
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Wissenschaft.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 Wissenschaft.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.
wissenschaft.de
Open Graph description is not detected on the main page of Wissenschaft. 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: