Report Summary

  • 0

    Performance

  • 93

    Accessibility

    Visual factors better than
    that of 82% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

osiris-student.hdh.nl

OSIRIS Student Mobile

Page Load Speed

2.5 sec in total

First Response

360 ms

Resources Loaded

2 sec

Page Rendered

149 ms

osiris-student.hdh.nl screenshot

About Website

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.nl

Key Findings

We 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.

Performance Metrics

osiris-student.hdh.nl performance score

0

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value22.7 s

0/100

10%

LCP (Largest Contentful Paint)

Value0

0/100

25%

SI (Speed Index)

Value22.7 s

0/100

10%

TBT (Total Blocking Time)

Value270 ms

82/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value24.2 s

0/100

10%

Network Requests Diagram

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

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 Optimization Overview & Recommendations

Page size can be reduced by 28.5 kB (81%)

Content Size

35.3 kB

After Optimization

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.

HTML Optimization

-75%

Potential reduce by 6.4 kB

  • Original 8.5 kB
  • After minification 8.5 kB
  • After compression 2.1 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 6.4 kB or 75% of the original size.

CSS Optimization

-83%

Potential reduce by 22.1 kB

  • Original 26.8 kB
  • After minification 25.6 kB
  • After compression 4.7 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.

Requests Breakdown

We found no issues to fix!

Requests Now

9

After Optimization

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.

Accessibility Review

osiris-student.hdh.nl accessibility score

93

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

osiris-student.hdh.nl best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

osiris-student.hdh.nl SEO score

82

Search Engine Optimization Advices

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

High

Document doesn't use legible font sizes

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    EN

  • Encoding

    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.

Social Sharing Optimization

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: