23.3 sec in total
369 ms
22.4 sec
508 ms
Welcome to sde21.eu homepage info - get ready to check SDE 21 best content right away, or after learning these important things about sde21.eu
Mit dem Solar Decathlon Europe 21/22 (SDE 21/22) in Wuppertal kam der internationale Hochschulwettbewerb zum ersten Mal nach Deutschland.
Visit sde21.euWe analyzed Sde21.eu page load time and found that the first response time was 369 ms and then it took 23 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.
sde21.eu performance score
name
value
score
weighting
Value3.5 s
34/100
10%
Value7.8 s
3/100
25%
Value10.8 s
6/100
10%
Value270 ms
82/100
30%
Value0.274
44/100
15%
Value8.3 s
40/100
10%
369 ms
246 ms
937 ms
118 ms
981 ms
Our browser made a total of 53 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Sde21.eu, 62% (33 requests) were made to Sdeurope.uni-wuppertal.de and 32% (17 requests) were made to Assets.uni-wuppertal.de. The less responsive or slowest element that took the longest time to load (19.9 sec) relates to the external source Sdeurope.uni-wuppertal.de.
Page size can be reduced by 115.5 kB (3%)
4.1 MB
4.0 MB
In fact, the total size of Sde21.eu main page is 4.1 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. 45% of websites need less resources to load. Images take 3.5 MB which makes up the majority of the site volume.
Potential reduce by 73.4 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 38.5 kB, which is 46% 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 73.4 kB or 88% of the original size.
Potential reduce by 24.5 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. SDE 21 images are well optimized though.
Potential reduce by 186 B
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. This website has mostly compressed JavaScripts.
Potential reduce by 17.5 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. Sde21.eu has all CSS files already compressed.
Number of requests can be reduced by 6 (13%)
45
39
The browser has sent 45 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SDE 21. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.
sde21.eu
369 ms
246 ms
bundle.css
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merged-d0f0488839a0547d34bddc9154693e9b-29bea37dfde11ab81eff47e700792e4a.1681886392.css
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bundle.js
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e9e07c5ca0.1647438792.js
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jquery.datetimepicker.min.1687533996.js
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parsley.min.1687533996.js
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Tabs.min.1687533996.js
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Form.min.1687533996.js
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icons.css
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logo_header_white.svg
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iconFacebook.png
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iconInstagram.png
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iconTwitter.svg
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iconYoutube.png
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iconLinkedIn.png
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open-sans-v34-latin-600.woff
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Amiri-Regular.woff
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matomo.js
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iconEasyLanguage.svg
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loading-white.svg
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matomo.php
227 ms
sde21.eu accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
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
Links do not have a discernible name
sde21.eu best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
sde21.eu 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
Document doesn't have a valid hreflang
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
Tap targets are not sized appropriately
DE
DE
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sde21.eu 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 Sde21.eu 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.
sde21.eu
Open Graph description is not detected on the main page of SDE 21. 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: