3.5 sec in total
280 ms
3 sec
207 ms
Welcome to surfsara.nl homepage info - get ready to check SURF Sara best content for Netherlands right away, or after learning these important things about surfsara.nl
Meer dan 100 onderwijs- en onderzoeksinstellingen in Nederland werken in de coöperatie SURF samen om de kansen van digitalisering ten volle benutten. Met als doel: beter en flexibeler onderwijs en ond...
Visit surfsara.nlWe analyzed Surfsara.nl page load time and found that the first response time was 280 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.
surfsara.nl performance score
name
value
score
weighting
Value4.4 s
17/100
10%
Value5.4 s
20/100
25%
Value6.0 s
46/100
10%
Value770 ms
38/100
30%
Value0.04
99/100
15%
Value8.1 s
42/100
10%
280 ms
687 ms
223 ms
314 ms
314 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 Surfsara.nl, 94% (50 requests) were made to Surf.nl and 2% (1 request) were made to Maps.googleapis.com. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Surf.nl.
Page size can be reduced by 63.6 kB (71%)
89.1 kB
25.5 kB
In fact, the total size of Surfsara.nl main page is 89.1 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. 25% of websites need less resources to load. Javascripts take 54.9 kB which makes up the majority of the site volume.
Potential reduce by 27.8 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 5.0 kB, which is 15% 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 27.8 kB or 81% of the original size.
Potential reduce by 35.7 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 35.7 kB or 65% of the original size.
Number of requests can be reduced by 37 (73%)
51
14
The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SURF Sara. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 28 to 1 for JavaScripts and as a result speed up the page load time.
surfsara.nl
280 ms
687 ms
all.css
223 ms
modernizr.js
314 ms
enquire.min.js
314 ms
jquery.js
401 ms
jquery-ui.js
415 ms
jquery.cookie.js
360 ms
lodash.js
448 ms
backbone.js
447 ms
transit.js
455 ms
js
36 ms
placeholder.js
490 ms
dropmenuitem.js
534 ms
submitonselect.js
550 ms
equalheight.js
583 ms
searchnavigation.js
581 ms
searchautocomplete.js
582 ms
disablerightclick.js
625 ms
socialmedia.js
669 ms
focusoutline.js
688 ms
jumpto.js
716 ms
sessionaccordion.js
718 ms
title-carousel.js
716 ms
googlemapcanvas.js
759 ms
facetnavigation.js
803 ms
datepicker.js
822 ms
jsmailrender.js
846 ms
main_1_06_00.js
851 ms
piwik-optout.js
850 ms
surflogo.png
576 ms
werkmaatschappij-surfsara-home-web.jpg
800 ms
surf_sara.png
649 ms
chinese-tekens.jpg
667 ms
separator-01.png
660 ms
ico-login.png
661 ms
bg-drop-01.png
700 ms
bullet-01.png
775 ms
none.png
793 ms
bg-drop-02.png
792 ms
arrow-03.png
792 ms
btn-more-03.png
838 ms
mark_simonson_-_proxima_nova_soft_bold-webfont-two.svg
1157 ms
icomoon.ttf
845 ms
varelaround-regular-webfont-two.svg
1278 ms
icomoon.ttf
820 ms
sprite-arrows.png
794 ms
separator-02.png
835 ms
separator-04.png
899 ms
separator-06.png
859 ms
piwik.js
650 ms
menu.json
524 ms
ico-search.png
555 ms
surfsara.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.
surfsara.nl 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
surfsara.nl SEO score
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
NL
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Surfsara.nl can be misinterpreted by Google and other search engines. Our service has detected that Dutch is used on the page, and it does not match the claimed English language. Our system also found out that Surfsara.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.
surfsara.nl
Open Graph description is not detected on the main page of SURF Sara. 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: