9.7 sec in total
152 ms
9.4 sec
140 ms
Click here to check amazing Blackboard Zuyd content for Netherlands. Otherwise, check out these important facts you probably never knew about blackboard.zuyd.nl
Visit blackboard.zuyd.nlWe analyzed Blackboard.zuyd.nl page load time and found that the first response time was 152 ms and then it took 9.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
blackboard.zuyd.nl performance score
152 ms
198 ms
298 ms
394 ms
402 ms
Our browser made a total of 61 requests to load all elements on the main page. We found that 93% of them (57 requests) were addressed to the original Blackboard.zuyd.nl, 5% (3 requests) were made to Youtube.com and 2% (1 request) were made to S.ytimg.com. The less responsive or slowest element that took the longest time to load (3.5 sec) belongs to the original domain Blackboard.zuyd.nl.
Page size can be reduced by 1.9 MB (84%)
2.3 MB
375.1 kB
In fact, the total size of Blackboard.zuyd.nl main page is 2.3 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. Javascripts take 1.9 MB which makes up the majority of the site volume.
Potential reduce by 20.2 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 20.2 kB or 75% of the original size.
Potential reduce by 2.1 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, Blackboard Zuyd needs image optimization as it can save up to 2.1 kB or 21% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 1.6 MB
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 1.6 MB or 85% of the original size.
Potential reduce by 295.9 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. Blackboard.zuyd.nl needs all CSS files to be minified and compressed as it can save up to 295.9 kB or 80% of the original size.
Number of requests can be reduced by 39 (65%)
60
21
The browser has sent 60 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Blackboard Zuyd. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 25 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.
frameset.jsp
152 ms
shared.css
198 ms
theme.css
298 ms
colorpalette.css
394 ms
brand.css
402 ms
i18n.js
404 ms
28457118145C4BE5F9E35C446F57FB89.js
3506 ms
UserDataDWRFacade.js
402 ms
65FA335CBBA59F386FC687975BFEF0F5.js
997 ms
lightbox.js
581 ms
welcomeOverlay.js
493 ms
social.js
507 ms
ProfileProviderService.js
495 ms
engine.js
774 ms
util.js
776 ms
ToolActivityService.js
604 ms
tool_service.js
681 ms
theme1.css
1471 ms
theme2.css
855 ms
iframe_api
52 ms
bblearn_2011_bg-edited.png
116 ms
topframe
200 ms
tabAction
410 ms
ax-links.png
110 ms
utilicons_sprite_rev.png
107 ms
x_btn.png
100 ms
www-widgetapi.js
26 ms
D76F7A2A2A105522284787D19E229E9D.js
2520 ms
MashupDWRFacade.js
100 ms
esapi-compressed.js
282 ms
ESAPI_Standard_en_US.properties.js
100 ms
Base.esapi.properties.js
95 ms
E94940ADA406507AD1C8027D28923212.js
289 ms
264EC71B1D7342F0A8A79B46A9C08ABE.js
2523 ms
colorpalette.generated.modern.css
103 ms
secondaryTabs.js
103 ms
7D5CC35C925AE2F1B5FB6E5B2840C827.js
106 ms
portalmodule.js
173 ms
9A9903D13952B4F73D07A470B04B9A61.js
279 ms
iframe_api
20 ms
Zuyd_HOGESCHOOL_RGB-100.jpg
127 ms
iframe_api
22 ms
cm_arrow.gif
115 ms
announcement_li.gif
113 ms
calendar_li.gif
112 ms
logout_0.gif
97 ms
fonts.gif
109 ms
contrast.gif
110 ms
indicators.png
138 ms
tabAction
447 ms
tabAction
443 ms
tabAction
456 ms
tabAction
436 ms
tabAction
457 ms
tabAction
453 ms
tabAction
844 ms
tabAction
850 ms
tabAction
845 ms
cookie.js
96 ms
integration.js
101 ms
print.css
99 ms
blackboard.zuyd.nl SEO score
N/A
NL
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Blackboard.zuyd.nl can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is Dutch. Our system also found out that Blackboard.zuyd.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.
blackboard.zuyd.nl
Open Graph description is not detected on the main page of Blackboard Zuyd. 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: