Tools & Wizards About Us

Report Summary

  • 27

    Performance

    Renders faster than
    46% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

data-onderwijs.vlaanderen.be

Vlaams Ministerie van Onderwijs en Vorming - Onderwijs - databanken

Page Load Speed

2.9 sec in total

First Response

414 ms

Resources Loaded

2.4 sec

Page Rendered

102 ms

About Website

Click here to check amazing Data Onderwijs Vlaander En content for Belgium. Otherwise, check out these important facts you probably never knew about data-onderwijs.vlaanderen.be

Informatie voor ouders, leerlingen, studenten, cursisten en onderwijspersoneel | Ministerie van Onderwijs

Visit data-onderwijs.vlaanderen.be

Key Findings

We analyzed Data-onderwijs.vlaanderen.be page load time and found that the first response time was 414 ms and then it took 2.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

data-onderwijs.vlaanderen.be performance score

27

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

26/100

10%

LCP (Largest Contentful Paint)

Value7.5 s

4/100

25%

SI (Speed Index)

Value7.0 s

32/100

10%

TBT (Total Blocking Time)

Value1,600 ms

12/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value11.8 s

17/100

10%

Network Requests Diagram

data-onderwijs.vlaanderen.be

414 ms

bootstrap3_3_6.min.css

203 ms

fonts.css

302 ms

flaticon.css

301 ms

font-awesome.css

306 ms

Our browser made a total of 21 requests to load all elements on the main page. We found that 62% of them (13 requests) were addressed to the original Data-onderwijs.vlaanderen.be, 14% (3 requests) were made to Prod.widgets.burgerprofiel.vlaanderen.be and 10% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (894 ms) relates to the external source Prod.widgets.burgerprofiel.vlaanderen.be.

Page Optimization Overview & Recommendations

Page size can be reduced by 28.8 kB (5%)

Content Size

592.3 kB

After Optimization

563.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Data-onderwijs.vlaanderen.be main page is 592.3 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. Images take 489.0 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 8.6 kB

  • Original 11.3 kB
  • After minification 9.8 kB
  • After compression 2.7 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 1.6 kB, which is 14% 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 8.6 kB or 76% of the original size.

Image Optimization

-4%

Potential reduce by 18.5 kB

  • Original 489.0 kB
  • After minification 470.6 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. Data Onderwijs Vlaander En images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 73 B

  • Original 61.8 kB
  • After minification 61.8 kB
  • After compression 61.7 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. This website has mostly compressed JavaScripts.

CSS Optimization

-5%

Potential reduce by 1.7 kB

  • Original 30.2 kB
  • After minification 30.0 kB
  • After compression 28.5 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. Data-onderwijs.vlaanderen.be has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 12 (63%)

Requests Now

19

After Optimization

7

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 19 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Data Onderwijs Vlaander En. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

data-onderwijs.vlaanderen.be accessibility score

100

Accessibility Issues

Best Practices

data-onderwijs.vlaanderen.be best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

data-onderwijs.vlaanderen.be SEO score

98

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 uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    NL

  • Language Claimed

    NL

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Data-onderwijs.vlaanderen.be can be misinterpreted by Google and other search engines. Our service has detected that Dutch is used on the page, and it matches the claimed language. Our system also found out that Data-onderwijs.vlaanderen.be 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.

Social Sharing Optimization

Open Graph description is not detected on the main page of Data Onderwijs Vlaander En. 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: