3.7 sec in total
386 ms
3.2 sec
159 ms
Click here to check amazing Studerenin Leiden content for Netherlands. Otherwise, check out these important facts you probably never knew about studereninleiden.nl
Ben jij op zoek naar een bacheloropleiding aan een Nederlandse universiteit van wereldklasse? Met 45 opleidingen in Leiden én 7 opleidingen in Den Haag vind je bij de Universiteit Leiden de bachelorst...
Visit studereninleiden.nlWe analyzed Studereninleiden.nl page load time and found that the first response time was 386 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
studereninleiden.nl performance score
name
value
score
weighting
Value2.9 s
52/100
10%
Value3.9 s
53/100
25%
Value9.0 s
14/100
10%
Value190 ms
90/100
30%
Value0.761
5/100
15%
Value10.7 s
22/100
10%
386 ms
1148 ms
556 ms
210 ms
506 ms
Our browser made a total of 50 requests to load all elements on the main page. We found that 62% of them (31 requests) were addressed to the original Studereninleiden.nl, 8% (4 requests) were made to Google-analytics.com and 4% (2 requests) were made to Ads.creative-serving.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Studereninleiden.nl.
Page size can be reduced by 445.5 kB (54%)
829.3 kB
383.8 kB
In fact, the total size of Studereninleiden.nl main page is 829.3 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. 30% of websites need less resources to load. CSS take 298.2 kB which makes up the majority of the site volume.
Potential reduce by 10.5 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 10.5 kB or 73% of the original size.
Potential reduce by 22.9 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. Studerenin Leiden images are well optimized though.
Potential reduce by 164.8 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 164.8 kB or 60% of the original size.
Potential reduce by 247.3 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. Studereninleiden.nl needs all CSS files to be minified and compressed as it can save up to 247.3 kB or 83% of the original size.
Number of requests can be reduced by 22 (55%)
40
18
The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Studerenin Leiden. 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 from 4 to 1 for CSS and as a result speed up the page load time.
studereninleiden.nl
386 ms
www.studereninleiden.nl
1148 ms
scherm.css
556 ms
photos.css
210 ms
mootools.js
506 ms
swfobject.js
305 ms
sil.js
404 ms
pixel
5 ms
668 ms
js.css
98 ms
gtm.js
42 ms
8bc_W-QlLp4
129 ms
header_blue.gif
125 ms
header_color_alg.gif
127 ms
top_home.jpg
442 ms
site_title.gif
124 ms
zegel.gif
258 ms
photo_bottom.png
124 ms
icon_questionmark.png
316 ms
icon_balloon.png
210 ms
SUL-Home-Solange-Ploeg.jpg
808 ms
studiekeuzeplein.jpg
613 ms
icon_contact.png
315 ms
icon_check.png
328 ms
icon_brochure.png
408 ms
icon_magnifier.png
408 ms
bullet_one.gif
432 ms
bullet_two.gif
502 ms
c_arrow_blue.gif
497 ms
bullet_three.gif
534 ms
bullet_four.gif
535 ms
icons_social.png
587 ms
header_nav_arrow.gif
590 ms
zoek.gif
630 ms
ga.js
30 ms
analytics.js
45 ms
sync
34 ms
29619
34 ms
__utm.gif
31 ms
match
22 ms
collect
18 ms
www-embed-player-vflZsBgOl.css
74 ms
www-embed-player.js
95 ms
collect
81 ms
cmadnx
119 ms
ga-audiences
72 ms
yrK4EqpSRdoujKQmsJoZ5WaLgeULvcWnibQMQSxOOnM.js
35 ms
ad_status.js
70 ms
2UX7WLTfW3W8TclTUvlFyQ.woff
87 ms
RxZJdnzeo3R5zSexge8UUT8E0i7KZn-EPnyo3HZu7kw.woff
97 ms
studereninleiden.nl accessibility score
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
Buttons do not have an accessible name
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
studereninleiden.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
General
Impact
Issue
Detected JavaScript libraries
studereninleiden.nl SEO score
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
NL
NL
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Studereninleiden.nl can be misinterpreted by Google and other search engines. Our service has detected that Dutch is used on the page, and it matches the claimed language. Our system also found out that Studereninleiden.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.
studereninleiden.nl
Open Graph description is not detected on the main page of Studerenin Leiden. 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: