2.5 sec in total
360 ms
2 sec
149 ms
Welcome to osiris-student.hdh.nl homepage info - get ready to check OSIRIS Student Hdh best content for Netherlands right away, or after learning these important things about osiris-student.hdh.nl
Visit osiris-student.hdh.nlWe analyzed Osiris-student.hdh.nl page load time and found that the first response time was 360 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.
osiris-student.hdh.nl performance score
name
value
score
weighting
Value22.7 s
0/100
10%
Value0
0/100
25%
Value22.7 s
0/100
10%
Value270 ms
82/100
30%
Value0
100/100
15%
Value24.2 s
0/100
10%
360 ms
445 ms
277 ms
779 ms
102 ms
Our browser made a total of 11 requests to load all elements on the main page. We found that all of those requests were addressed to Osiris-student.hdh.nl and no external sources were called. The less responsive or slowest element that took the longest time to load (829 ms) belongs to the original domain Osiris-student.hdh.nl.
Page size can be reduced by 28.5 kB (81%)
35.3 kB
6.8 kB
In fact, the total size of Osiris-student.hdh.nl main page is 35.3 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. CSS take 26.8 kB which makes up the majority of the site volume.
Potential reduce by 6.4 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 6.4 kB or 75% of the original size.
Potential reduce by 22.1 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. Osiris-student.hdh.nl needs all CSS files to be minified and compressed as it can save up to 22.1 kB or 83% of the original size.
We found no issues to fix!
9
9
The browser has sent 9 CSS, Javascripts, AJAX and image requests in order to completely render the main page of OSIRIS Student Hdh. According to our analytics all requests are already optimized.
osiris-student.hdh.nl
360 ms
StartPagina.do
445 ms
hdh-desktop-2_2_16-en-gecko.css
277 ms
Common2_2_16.js
779 ms
StudentHelp.js
102 ms
jquery.min.js
829 ms
jquery.imgareaselect.pack.js
372 ms
myimage.js
192 ms
t.gif
98 ms
BGR_MNU.jpg
466 ms
t.gif
98 ms
osiris-student.hdh.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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Some elements have a [tabindex] value greater than 0
osiris-student.hdh.nl best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Browser errors were logged to the console
osiris-student.hdh.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 doesn't use legible font sizes
N/A
EN
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Osiris-student.hdh.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 English. Our system also found out that Osiris-student.hdh.nl main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
osiris-student.hdh.nl
Open Graph description is not detected on the main page of OSIRIS Student Hdh. 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: