7.6 sec in total
306 ms
7 sec
317 ms
Visit energy.dtu.dk now to see the best up-to-date Energy DTU content for Denmark and also check out these interesting facts you probably never knew about energy.dtu.dk
DEPARTMENT OF ENERGY CONVERSION AND STORAGE
Visit energy.dtu.dkWe analyzed Energy.dtu.dk page load time and found that the first response time was 306 ms and then it took 7.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
energy.dtu.dk performance score
name
value
score
weighting
Value3.7 s
30/100
10%
Value9.1 s
1/100
25%
Value12.3 s
3/100
10%
Value440 ms
63/100
30%
Value0.172
69/100
15%
Value9.3 s
31/100
10%
306 ms
782 ms
189 ms
193 ms
194 ms
Our browser made a total of 75 requests to load all elements on the main page. We found that 81% of them (61 requests) were addressed to the original Energy.dtu.dk, 12% (9 requests) were made to Meltwaternews.com and 4% (3 requests) were made to Feed.meltwater.com. The less responsive or slowest element that took the longest time to load (2.9 sec) relates to the external source Feed.meltwater.com.
Page size can be reduced by 923.6 kB (67%)
1.4 MB
445.8 kB
In fact, the total size of Energy.dtu.dk main page is 1.4 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. 40% of websites need less resources to load. Javascripts take 899.8 kB which makes up the majority of the site volume.
Potential reduce by 67.7 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 16.4 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 67.7 kB or 83% of the original size.
Potential reduce by 11.3 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. Obviously, Energy DTU needs image optimization as it can save up to 11.3 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 625.7 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 625.7 kB or 70% of the original size.
Potential reduce by 219.0 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. Energy.dtu.dk needs all CSS files to be minified and compressed as it can save up to 219.0 kB or 75% of the original size.
Number of requests can be reduced by 28 (42%)
66
38
The browser has sent 66 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Energy DTU. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
energy.dtu.dk
306 ms
www.energy.dtu.dk
782 ms
init_alldevices.min.css
189 ms
adapt.config.js
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jquery.min.js
288 ms
jquery-ui-1.9.0.min.js
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energi_dk.ashx
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energy.dtu.dk 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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
energy.dtu.dk 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
Browser errors were logged to the console
Issues were logged in the Issues panel in Chrome Devtools
energy.dtu.dk SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
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 doesn't use legible font sizes
EN
DA
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Energy.dtu.dk can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed Danish language. Our system also found out that Energy.dtu.dk 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.
energy.dtu.dk
Open Graph description is not detected on the main page of Energy DTU. 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: