3 sec in total
307 ms
2.5 sec
166 ms
Visit courseware.nl now to see the best up-to-date Courseware content and also check out these interesting facts you probably never knew about courseware.nl
Specialist in leer- en kennistechnologie. Wij zijn de partner die de verbinding maakt tussen didactiek, leertechnologie en bedrijfsprocessen.
Visit courseware.nlWe analyzed Courseware.nl page load time and found that the first response time was 307 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.
courseware.nl performance score
name
value
score
weighting
Value4.8 s
12/100
10%
Value12.5 s
0/100
25%
Value11.4 s
5/100
10%
Value2,330 ms
5/100
30%
Value0
100/100
15%
Value16.4 s
5/100
10%
307 ms
1006 ms
64 ms
126 ms
238 ms
Our browser made a total of 42 requests to load all elements on the main page. We found that 71% of them (30 requests) were addressed to the original Courseware.nl, 5% (2 requests) were made to Google-analytics.com and 5% (2 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Courseware.nl.
Page size can be reduced by 185.7 kB (47%)
397.3 kB
211.6 kB
In fact, the total size of Courseware.nl main page is 397.3 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. 20% of websites need less resources to load. Javascripts take 183.7 kB which makes up the majority of the site volume.
Potential reduce by 21.3 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 3.6 kB, which is 11% 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 21.3 kB or 67% of the original size.
Potential reduce by 11.5 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. Courseware images are well optimized though.
Potential reduce by 97.3 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 97.3 kB or 53% of the original size.
Potential reduce by 55.6 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. Courseware.nl needs all CSS files to be minified and compressed as it can save up to 55.6 kB or 82% of the original size.
Number of requests can be reduced by 21 (57%)
37
16
The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Courseware. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.
courseware.nl
307 ms
www.courseware.nl
1006 ms
css
64 ms
default.min.css
126 ms
modernizr-2.6.2.min.js
238 ms
jquery-1.10.2.min.js
631 ms
sorttable.js
419 ms
plugins.js
318 ms
main.js
322 ms
slideshow_mobile.js
316 ms
prum.min.js
77 ms
showmedia.ashx
108 ms
showmedia.ashx
209 ms
showmedia.ashx
209 ms
112-160x115.png
310 ms
gtm.js
108 ms
header-back.jpg
209 ms
courseware-logo.png
125 ms
search.png
207 ms
roundshadow.png
228 ms
skewed-border.png
312 ms
big-link-arrow.png
315 ms
big-link-arrow-trans.png
313 ms
ODelI1aHBYDBqgeIAH2zlEY6Fu39Tt9XkmtSosaMoEA.ttf
66 ms
cert.png
302 ms
people.png
321 ms
cog-and-screen.png
387 ms
screen.png
406 ms
ico-facebook.png
397 ms
ico-twitter.png
404 ms
ico-google.png
405 ms
ico-linkedin.png
425 ms
btn-linkedin-footer.png
492 ms
btn-twitter-footer.png
502 ms
goal.min.js
92 ms
analytics.js
23 ms
conversion_async.js
38 ms
collect
4 ms
collect
67 ms
49 ms
36 ms
ga-audiences
27 ms
courseware.nl accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
[aria-*] attributes do not match their roles
[aria-hidden="true"] elements contain focusable descendents
ARIA input fields do not have accessible names
Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.
[aria-*] attributes do not have valid values
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
Image elements do not have [alt] attributes
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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
courseware.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
Page has valid source maps
courseware.nl SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
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
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Courseware.nl can be misinterpreted by Google and other search engines. Our service has detected that Dutch is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Courseware.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.
courseware.nl
Open Graph data is detected on the main page of Courseware. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: