Tools & Wizards About Us
centrumvooravondonderwijs.be screenshot

Report Summary

  • 12

    Performance

    Renders faster than
    25% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

centrumvooravondonderwijs.be

Centrum voor Avondonderwijs

Page Load Speed

6.4 sec in total

First Response

178 ms

Resources Loaded

4.2 sec

Page Rendered

2 sec

centrumvooravondonderwijs.be screenshot

About Website

Visit centrumvooravondonderwijs.be now to see the best up-to-date Centrum Voor Avondonderwijs content for Belgium and also check out these interesting facts you probably never knew about centrumvooravondonderwijs.be

Het Centrum voor Avondonderwijs is een professionele onderwijsinstelling voor volwassenen. Ons aanbod bestaat uit meer dan 350 praktijk- en beroepsgerichte opleidingen, gegeven door vakexperten met ja...

Visit centrumvooravondonderwijs.be

Key Findings

We analyzed Centrumvooravondonderwijs.be page load time and found that the first response time was 178 ms and then it took 6.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

centrumvooravondonderwijs.be performance score

12

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

65/100

10%

LCP (Largest Contentful Paint)

Value33.2 s

0/100

25%

SI (Speed Index)

Value23.2 s

0/100

10%

TBT (Total Blocking Time)

Value5,340 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.314

37/100

15%

TTI (Time to Interactive)

Value41.4 s

0/100

10%

Network Requests Diagram

centrumvooravondonderwijs.be

178 ms

centrumvooravondonderwijs.be

315 ms

www.centrumvooravondonderwijs.be

2069 ms

gtm.js

134 ms

logo_Centrum-voor-Avondonderwijs_500.png

388 ms

Our browser made a total of 47 requests to load all elements on the main page. We found that 17% of them (8 requests) were addressed to the original Centrumvooravondonderwijs.be, 62% (29 requests) were made to Fastcrm.rocks and 6% (3 requests) were made to Cms.fastcrm.rocks. The less responsive or slowest element that took the longest time to load (2.1 sec) belongs to the original domain Centrumvooravondonderwijs.be.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.2 MB (8%)

Content Size

14.7 MB

After Optimization

13.5 MB

  • HTML
  • Images

In fact, the total size of Centrumvooravondonderwijs.be main page is 14.7 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. 70% of websites need less resources to load. Images take 14.3 MB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 328.5 kB

  • Original 369.2 kB
  • After minification 361.8 kB
  • After compression 40.7 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. 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 328.5 kB or 89% of the original size.

Image Optimization

-6%

Potential reduce by 830.7 kB

  • Original 14.3 MB
  • After minification 13.5 MB

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. Centrum Voor Avondonderwijs images are well optimized though.

Requests Breakdown

We found no issues to fix!

Requests Now

40

After Optimization

40

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Centrum Voor Avondonderwijs. According to our analytics all requests are already optimized.

Network Requests Diagram

centrumvooravondonderwijs.be

centrumvooravondonderwijs.be

178 ms

centrumvooravondonderwijs.be

centrumvooravondonderwijs.be

315 ms

www.centrumvooravondonderwijs.be

www.centrumvooravondonderwijs.be

2069 ms

gtm.js

gtm.js

134 ms

logo_Centrum-voor-Avondonderwijs_500.png

logo_Centrum-voor-Avondonderwijs_500.png

388 ms

12_23032024_shutterstock_159864995.jpg

12_23032024_shutterstock_159864995.jpg

632 ms

662235717

662235717

272 ms

571693558

571693558

382 ms

nl_badge_web_generic.png

nl_badge_web_generic.png

54 ms

scripts.de0a34e1de783e54.js

scripts.de0a34e1de783e54.js

533 ms

Desktop_BENL.jpg

Desktop_BENL.jpg

708 ms

homepage_banner_centrumvooravondonderwijs.png

homepage_banner_centrumvooravondonderwijs.png

971 ms

12_05082024_campus-mechelsesteenweg.jpg

12_05082024_campus-mechelsesteenweg.jpg

561 ms

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491 ms

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12_23122022_brussel.jpg

493 ms

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12_21122022_campus_gent.jpg

597 ms

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12_23122022_Brugge.jpg

513 ms

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12_01092020_videomeeting-groesplessen-online.1598948173.jpg

638 ms

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12_07102020_opendeurdag-online.jpg

642 ms

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426634.jpeg

789 ms

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719710.jpg

1006 ms

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285098.jpg

678 ms

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180584.jpg

684 ms

116303.jpg

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713 ms

campus-simpernelstraat-hasselt-schoonheidsschool.jpg

campus-simpernelstraat-hasselt-schoonheidsschool.jpg

717 ms

campus-mechelsesteenweg-antwerpen-schoonheidsschool.jpg

campus-mechelsesteenweg-antwerpen-schoonheidsschool.jpg

788 ms

centrum-voor-avondonderwijs-frankrijklei-antwerpen.jpg

centrum-voor-avondonderwijs-frankrijklei-antwerpen.jpg

788 ms

photo-2021-10-27-21-15-29__11_.jpg

photo-2021-10-27-21-15-29__11_.jpg

875 ms

campus_brussel.png

campus_brussel.png

1633 ms

lange_klaren.jpg

lange_klaren.jpg

1231 ms

campus_gent.jpg

campus_gent.jpg

1510 ms

brugge.jpg

brugge.jpg

876 ms

11_Medisch-Secretariaat-school.jpg

11_Medisch-Secretariaat-school.jpg

877 ms

11_mindfulness-cursus.jpg

11_mindfulness-cursus.jpg

1008 ms

11_17122020_cursus_hr_talentmanager.jpg

11_17122020_cursus_hr_talentmanager.jpg

937 ms

11_17082020_shutterstock_1751256932.jpg

11_17082020_shutterstock_1751256932.jpg

1012 ms

11_Kindercoach-thuisstudies.jpg

11_Kindercoach-thuisstudies.jpg

1084 ms

crkbo_keurmerk.jpg

crkbo_keurmerk.jpg

1094 ms

wellnessfederatie_logo.png

wellnessfederatie_logo.png

1087 ms

centrum_voor_beroepskwalificatie_logo_erkenning.1609774387.png

centrum_voor_beroepskwalificatie_logo_erkenning.1609774387.png

1159 ms

en-us.svg

en-us.svg

50 ms

api.js

api.js

10 ms

1187950022-8c2d962c4faaca0a7b5d899d09e78454ac9572d647da46a490a9a60e95d01c05-d

1187950022-8c2d962c4faaca0a7b5d899d09e78454ac9572d647da46a490a9a60e95d01c05-d

15 ms

styles.fec281fb34623c39.css

styles.fec281fb34623c39.css

212 ms

fa-solid-900.69d3141ae4b2f721.ttf

fa-solid-900.69d3141ae4b2f721.ttf

300 ms

fa-regular-400.81482cd4d93fbfd4.ttf

fa-regular-400.81482cd4d93fbfd4.ttf

379 ms

fa-brands-400.5d18d427c08f12c3.ttf

fa-brands-400.5d18d427c08f12c3.ttf

526 ms

Accessibility Review

centrumvooravondonderwijs.be accessibility score

86

Accessibility Issues

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

High

[aria-hidden="true"] elements contain focusable descendents

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

High

Buttons do not have an accessible name

High

Links do not have a discernible name

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

Heading elements are not in a sequentially-descending order

Best Practices

centrumvooravondonderwijs.be 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

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

centrumvooravondonderwijs.be SEO score

86

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Centrumvooravondonderwijs.be can be misinterpreted by Google and other search engines. Our service has detected that Dutch is used on the page, and it does not match the claimed English language. Our system also found out that Centrumvooravondonderwijs.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

centrumvooravondonderwijs.be

Open Graph data is detected on the main page of Centrum Voor Avondonderwijs. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: