3 sec in total
282 ms
2.5 sec
255 ms
Welcome to ch.tudelft.nl homepage info - get ready to check Ch Tudelft best content for Netherlands right away, or after learning these important things about ch.tudelft.nl
W.I.S.V. 'Christiaan Huygens' is the study association for Applied Mathematics and Computer Science bachelor and master students at the TU Delft.
Visit ch.tudelft.nlWe analyzed Ch.tudelft.nl page load time and found that the first response time was 282 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
ch.tudelft.nl performance score
name
value
score
weighting
Value3.6 s
33/100
10%
Value5.1 s
25/100
25%
Value5.1 s
62/100
10%
Value10 ms
100/100
30%
Value0.001
100/100
15%
Value5.3 s
73/100
10%
282 ms
404 ms
93 ms
186 ms
263 ms
Our browser made a total of 49 requests to load all elements on the main page. We found that 92% of them (45 requests) were addressed to the original Ch.tudelft.nl, 4% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to Flitcie.ch.tudelft.nl. The less responsive or slowest element that took the longest time to load (819 ms) relates to the external source Flitcie.ch.tudelft.nl.
Page size can be reduced by 406.2 kB (28%)
1.5 MB
1.0 MB
In fact, the total size of Ch.tudelft.nl main page is 1.5 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. 30% of websites need less resources to load. Images take 926.4 kB which makes up the majority of the site volume.
Potential reduce by 33.2 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. 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 33.2 kB or 74% of the original size.
Potential reduce by 27.3 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. Ch Tudelft images are well optimized though.
Potential reduce by 252.1 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 252.1 kB or 68% of the original size.
Potential reduce by 93.5 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. Ch.tudelft.nl needs all CSS files to be minified and compressed as it can save up to 93.5 kB or 85% of the original size.
Number of requests can be reduced by 14 (32%)
44
30
The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ch Tudelft. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
ch.tudelft.nl
282 ms
ch.tudelft.nl
404 ms
css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css
93 ms
css_z6LV3DtgF76HssvI-VHiAsrKnNj8J4kNFf_D70TGNVY.css
186 ms
css_yu3IWKHs8kLlLdILSsuN70Wj_ayPhxvvDw-CdTTpmc0.css
263 ms
css_nYgDx4N_2_lNscf8_rauDdMjHBQHgW1x4VVEFMndIsQ.css
274 ms
js_JLxuxbhhrFRy-sBnijHkR0TGGHgiukMPv94zvDWgQ3g.js
365 ms
js_Xdp_56Kwrjh9XNxqhxmaYOwIKVvPB-7wqAz_R60LA6w.js
287 ms
js_jxr94ywiLMC8BWXMCUn9pMYKHVNZH_JqazcsAQWEqxs.js
288 ms
js_PAg4tTgf42K5BXNC5IB5izJJeGsSEXG60cKAmFrLlMs.js
494 ms
background.png
362 ms
analytics.js
48 ms
collect
24 ms
header.png
92 ms
logo.png
193 ms
nl.png
101 ms
en.png
97 ms
dsc09058.jpg
89 ms
ewi04-1500_0.jpg
177 ms
excursie_0.jpg
185 ms
a3_poster_3.jpg
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restaurant.jpeg
207 ms
fpc2016_poster.jpg
218 ms
feed.png
263 ms
page.png
256 ms
icon_user.gif
269 ms
stream-markers.gif
269 ms
agenda.png
285 ms
ch.tudelft.nl
370 ms
bottom.png
300 ms
PTS75F-webfont.woff
405 ms
PTS55F-webfont.woff
427 ms
PTN57F-webfont.woff
523 ms
flitcie-albums-export.html
334 ms
.album.jpg
819 ms
flitcie.png
101 ms
sogeti_nederland_bv_logo.jpg
548 ms
logostabiplan220x150px_0.jpg
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magnusblue.png
124 ms
rsz_websend.png
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kpmg_plus_strapline_rr_normaluse_rgb.jpg
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1r-008.16_capgemini_logo_120x50_pixels.jpg
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logo12.png
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logo2.png
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technolution.gif
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sense_health.png
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banner-ict_starters_1.gif
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logo8.png
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nr-892.min.js
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ch.tudelft.nl 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
ch.tudelft.nl 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
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
ch.tudelft.nl 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
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
EN
NL
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ch.tudelft.nl 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 Dutch language. Our system also found out that Ch.tudelft.nl 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.
ch.tudelft.nl
Open Graph description is not detected on the main page of Ch Tudelft. 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: