Tools & Wizards About Us
wezoozacademy.be screenshot

Report Summary

  • 31

    Performance

    Renders faster than
    51% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

wezoozacademy.be

Online studiehulp voor secundair onderwijs | Wezooz Academy

Page Load Speed

3.5 sec in total

First Response

630 ms

Resources Loaded

2.4 sec

Page Rendered

522 ms

wezoozacademy.be screenshot

About Website

Click here to check amazing Wezooz Academy content for Belgium. Otherwise, check out these important facts you probably never knew about wezoozacademy.be

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Key Findings

We analyzed Wezoozacademy.be page load time and found that the first response time was 630 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

wezoozacademy.be performance score

31

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

22/100

10%

LCP (Largest Contentful Paint)

Value8.8 s

1/100

25%

SI (Speed Index)

Value6.5 s

38/100

10%

TBT (Total Blocking Time)

Value670 ms

45/100

30%

CLS (Cumulative Layout Shift)

Value0.213

58/100

15%

TTI (Time to Interactive)

Value9.9 s

27/100

10%

Network Requests Diagram

www.wezoozacademy.be

630 ms

analytics.js

14 ms

bootstrap-cosmo.css

285 ms

bootstrap.min.css

270 ms

css

36 ms

Our browser made a total of 64 requests to load all elements on the main page. We found that 72% of them (46 requests) were addressed to the original Wezoozacademy.be, 11% (7 requests) were made to Cdn.mathjax.org and 5% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Wezoozacademy.be.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.2 MB (47%)

Content Size

2.5 MB

After Optimization

1.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Wezoozacademy.be main page is 2.5 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. 60% of websites need less resources to load. Images take 994.6 kB which makes up the majority of the site volume.

HTML Optimization

-92%

Potential reduce by 307.3 kB

  • Original 332.3 kB
  • After minification 158.4 kB
  • After compression 24.9 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 173.9 kB, which is 52% 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 307.3 kB or 92% of the original size.

Image Optimization

-2%

Potential reduce by 19.1 kB

  • Original 994.6 kB
  • After minification 975.5 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. Wezooz Academy images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 541.4 kB

  • Original 801.9 kB
  • After minification 727.4 kB
  • After compression 260.4 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 541.4 kB or 68% of the original size.

CSS Optimization

-84%

Potential reduce by 327.8 kB

  • Original 389.9 kB
  • After minification 351.9 kB
  • After compression 62.1 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. Wezoozacademy.be needs all CSS files to be minified and compressed as it can save up to 327.8 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 37 (69%)

Requests Now

54

After Optimization

17

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Wezooz Academy. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 28 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.wezoozacademy.be

www.wezoozacademy.be

630 ms

analytics.js

analytics.js

14 ms

bootstrap-cosmo.css

bootstrap-cosmo.css

285 ms

bootstrap.min.css

bootstrap.min.css

270 ms

css

css

36 ms

font-awesome.min.css

font-awesome.min.css

178 ms

yamm.css

yamm.css

181 ms

jquery.fileupload.css

jquery.fileupload.css

189 ms

magnific-popup.css

magnific-popup.css

207 ms

bootstrap-select.min.css

bootstrap-select.min.css

264 ms

wezooz.css

wezooz.css

355 ms

tmp.css

tmp.css

285 ms

jquery.bxslider.css

jquery.bxslider.css

303 ms

logo.png

logo.png

613 ms

ecommerce.js

ecommerce.js

21 ms

collect

collect

13 ms

collect

collect

77 ms

video01.jpg

video01.jpg

619 ms

swfobject.js

swfobject.js

336 ms

browserdetect.js

browserdetect.js

338 ms

jwplayer.js

jwplayer.js

406 ms

jwplayer-key.js

jwplayer-key.js

346 ms

jquery.min.js

jquery.min.js

36 ms

bootstrap.min.js

bootstrap.min.js

35 ms

ie10-viewport-bug-workaround.js

ie10-viewport-bug-workaround.js

368 ms

readmore.min.js

readmore.min.js

373 ms

MathJax.js

MathJax.js

82 ms

jquery.cookie.js

jquery.cookie.js

437 ms

jquery.ui.widget.js

jquery.ui.widget.js

499 ms

jquery.iframe-transport.js

jquery.iframe-transport.js

500 ms

jquery.fileupload.js

jquery.fileupload.js

510 ms

progressbar.min.js

progressbar.min.js

520 ms

jquery.magnific-popup.min.js

jquery.magnific-popup.min.js

558 ms

bootstrap-select.min.js

bootstrap-select.min.js

564 ms

purl.js

purl.js

601 ms

website.js

website.js

600 ms

common-full.js

common-full.js

608 ms

jquery.countTo.js

jquery.countTo.js

653 ms

conversion.js

conversion.js

32 ms

jquery.lazyload.js

jquery.lazyload.js

663 ms

jquery.bxslider.min.js

jquery.bxslider.min.js

689 ms

common-home.js

common-home.js

699 ms

awards-preview.png

awards-preview.png

1046 ms

kbc.png

kbc.png

698 ms

plantijn.png

plantijn.png

845 ms

bednet.png

bednet.png

1129 ms

ga-audiences

ga-audiences

65 ms

Vlajo.png

Vlajo.png

876 ms

technopolis.png

technopolis.png

798 ms

svg-sprite-nav.svg

svg-sprite-nav.svg

707 ms

bg-large-top.jpg

bg-large-top.jpg

1127 ms

svg-sprite-home.svg

svg-sprite-home.svg

685 ms

bg-large-bottom.jpg

bg-large-bottom.jpg

935 ms

Rockwell-EB.ttf

Rockwell-EB.ttf

722 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

945 ms

AM_HTMLorMML-full.js

AM_HTMLorMML-full.js

22 ms

33 ms

92 ms

bx_loader.gif

bx_loader.gif

359 ms

fontdata.js

fontdata.js

6 ms

MathJax_Main-Regular.woff

MathJax_Main-Regular.woff

6 ms

MathJax_Main-Bold.woff

MathJax_Main-Bold.woff

15 ms

MathJax_Math-Italic.woff

MathJax_Math-Italic.woff

15 ms

MathJax_Size1-Regular.woff

MathJax_Size1-Regular.woff

13 ms

Accessibility Review

wezoozacademy.be accessibility score

79

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.

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 IDs are not unique

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

wezoozacademy.be best practices score

75

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

Page has valid source maps

SEO Factors

wezoozacademy.be SEO score

82

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

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

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

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 Wezoozacademy.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 Wezoozacademy.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

wezoozacademy.be

Open Graph description is not detected on the main page of Wezooz Academy. 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: