3.6 sec in total
364 ms
2.8 sec
472 ms
Visit uu.nl now to see the best up-to-date Uu content for Netherlands and also check out these interesting facts you probably never knew about uu.nl
De Universiteit Utrecht is een internationaal vooraanstaande onderzoeksuniversiteit waar studenten en onderzoekers samen werken aan een betere wereld.
Visit uu.nlWe analyzed Uu.nl page load time and found that the first response time was 364 ms and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
uu.nl performance score
name
value
score
weighting
Value2.9 s
52/100
10%
Value6.3 s
11/100
25%
Value5.3 s
59/100
10%
Value2,580 ms
4/100
30%
Value0
100/100
15%
Value9.4 s
30/100
10%
364 ms
370 ms
119 ms
349 ms
253 ms
Our browser made a total of 35 requests to load all elements on the main page. We found that 91% of them (32 requests) were addressed to the original Uu.nl, 6% (2 requests) were made to Google-analytics.com and 3% (1 request) were made to Stats.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Uu.nl.
Page size can be reduced by 2.3 MB (52%)
4.4 MB
2.1 MB
In fact, the total size of Uu.nl main page is 4.4 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. 55% of websites need less resources to load. Images take 1.8 MB which makes up the majority of the site volume.
Potential reduce by 40.1 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 40.1 kB or 80% of the original size.
Potential reduce by 63.4 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. Uu images are well optimized though.
Potential reduce by 673.2 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 673.2 kB or 74% of the original size.
Potential reduce by 1.5 MB
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. Uu.nl needs all CSS files to be minified and compressed as it can save up to 1.5 MB or 91% of the original size.
Number of requests can be reduced by 9 (28%)
32
23
The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Uu. 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 5 to 1 for CSS and as a result speed up the page load time.
uu.nl
364 ms
www.uu.nl
370 ms
css__kzaYcrW7c2U3LJYNROISmk_jN82P9WRsHXvY89bGb-g__eifyscDGvkAQOe9mcBayKpH6ETQ3H_oxHpxZx0B26TU__yZehHg1ilYAhBnYFdGMivv10g2xsacBfnWVyEeXC2Ug.css
119 ms
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349 ms
css__L12S5Tu73BTPTDc4nbABL1dHzJiOFvR4RQXV47M5A1I__5ZMUXmRTcL3YFgsrm0LwK0Zqtf34LXPF8YGsGXXj9HI__yZehHg1ilYAhBnYFdGMivv10g2xsacBfnWVyEeXC2Ug.css
253 ms
css__CMlAExXRQ-uhjHeXpC3OTIuA5BqMeVfHrJ7HpKIW-Ok__ZEHL3Ku5DQqSB0hcbGyhkBO7Vq0_FxETlgHcJnBUOlw__yZehHg1ilYAhBnYFdGMivv10g2xsacBfnWVyEeXC2Ug.css
240 ms
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373 ms
js__5KAH3cRxaW-rJBd_opF9QP0Bj3yhLhw8L-L9Nc79hiM__QAcR6P6lyohah6lzQNq3dxq5lid9yiUMhh9iLVk3-3U__yZehHg1ilYAhBnYFdGMivv10g2xsacBfnWVyEeXC2Ug.js
580 ms
js__2DlipUlN-4myZXEKIkQJIuwUCk9qC5IN6xYxPpjPANM__MeXop8rLknhqUtDl25EiMk455dcTNbsflRodIfpgS7Y__yZehHg1ilYAhBnYFdGMivv10g2xsacBfnWVyEeXC2Ug.js
386 ms
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385 ms
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386 ms
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464 ms
OpenSans-Regular-webfont.woff
136 ms
OpenSans-Light-webfont.woff
234 ms
OpenSans-Bold-webfont.woff
136 ms
analytics.js
20 ms
logo.svg
238 ms
friezen_in_de_wei_thumbnail.jpg
151 ms
gw_hum_global-network_770x510.jpg
153 ms
logo_footer.svg
208 ms
icomoon.ttf
120 ms
merriweather-bold-webfont.woff
247 ms
merriweather-regular-webfont.woff
261 ms
collect
57 ms
ubd-practicum-1600x400.jpg
395 ms
ubd-plastic-noppenfolie-close-800x390.png
1207 ms
ubd-rijstveld-2-800x390.png
1150 ms
ubd-docent-en-student-aan-het-werk-385x257.jpg
320 ms
ubd-adolescenten-handshake-385x257.png
779 ms
ubd_onderzoekster-petrischaaltje385x257.jpg
327 ms
ubd_kweekbakjes-plantjes-lab385x257.jpg
464 ms
ubd-samenwerken-385x257.jpg
465 ms
ubd_vlag-academiegebouw385x257.jpg
514 ms
ubd-studenten-werkgroep-1600x500.jpg
900 ms
collect
63 ms
uu.nl accessibility score
uu.nl best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
uu.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
NL
NL
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Uu.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 Uu.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.
uu.nl
Open Graph data is detected on the main page of Uu. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: