Analyze Effectief werken / studeren met Dyslexie!

Dynamika, Organisatieadvies, training en coaching voor volwassenen met dyslexie. Dynamika biedt inzicht in wat de invloed is van de dyslexie op je werkzaamheden, direct toepasbare communicatie technie...

Page load speed analysis

  • 65/100

    Normal result
  • 6

    Successful tests
  • 2

    Failed tests
  • First response

    456 ms

  • Resources loaded

    2 sec

  • Page rendered

    193 ms

  • Total page load time

    2.7 sec

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We analyzed page load time and found that the first response time was 456 ms and then it took 2.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Page optimization

  • HTML 26.4 kB
    Images 21.2 kB
    Javascripts 569.5 kB
    CSS 279.5 kB

    In fact, the total size of main page is 896.6 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. 40% of websites need less resources to load. Javascripts take 569.5 kB which makes up the majority of the site volume.

    • Original 26.4 kB
    • After minification 25.5 kB
    • After compression 6.4 kB

    HTML optimization

    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 19.9 kB or 76% of the original size.

    • Original 21.2 kB
    • After optimization 16.5 kB

    Image optimization

    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. Obviously, Werken Dyslexie needs image optimization as it can save up to 4.7 kB or 22% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

    • Original 569.5 kB
    • After minification 505.6 kB
    • After compression 143.2 kB

    JavaScript optimization

    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 426.3 kB or 75% of the original size.

    • Original 279.5 kB
    • After minification 221.9 kB
    • After compression 38.2 kB

    CSS optimization

    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. needs all CSS files to be minified and compressed as it can save up to 241.3 kB or 86% of the original size.

Network requests diagram

  • style.css
  • fonts.css
  • adaptive.css
  • fontello.css
  • css
  • jackbox.css
  • jquery.jPlayer.css
  • dynamic-captions.css
  • static-captions.css
  • settings.css
  • jquery.min.js
  • modernizr.custom.all.js
  • respond.min.js
  • jquery.themepunch.revolution.js
  • jquery.themepunch.revolution.min.js
  • jquery.themepunch.plugins.min.js
  • jquery.easing.min.js
  • jquery.script.js
  • jackbox-lib.js
  • jackbox.js
  • jquery.validationEngine-lang.js
  • jquery.validationEngine.min.js
  • logo-werk-dyslexie.png
  • list_image.png
  • werk-en-dyslexie-1.jpg
  • werk-en-dyslexie-2.jpg
  • lezing-dyslexie-veel-mogelijkheden-klein.jpg
  • linkedin.png
  • facebook.png
  • youtube.png
  • EFpQQyG9GqCrobXxL-KRMQFhaRv2pGgT5Kf0An0s4MM.woff
  • s-BiyweUPV0v-yRb-cjciBsxEYwM7FgeyaSgU71cLG0.woff
  • icons.woff
  • loader.gif
  • timer.png
  • shadow2.png

Our browser made a total of 38 requests to load all elements on the main page. We found that 92% of them (35 requests) were addressed to the original, 5% (2 requests) were made to and 3% (1 request) were made to The less responsive or slowest element that took the longest time to load (758 ms) belongs to the original domain

Additional info on


The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Werken Dyslexie. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.









Possible request optimization











Normal result


As for redirects, our browser was forwarded to before it reached this domain.

IP address uses IP address which is currently shared with 4 other domains. The more sites share the same IP address, the higher the host server’s workload is. It is strongly recommended that the host server should be changed or the hosting provider should be requested to give a different (separate) IP address for this domain.

Poor result

IP Trace

DNS records

Type Host Target/ip TTL Other
A 300
NS 300
NS 300

0 Mname:
Serial: 2021050501
Refresh: 86400
Retry: 3600
Expire: 777600
Minimum-ttl: 86400
MX 0 Pri: 10

Language and encoding

Good result


NL nl language flag


NL nl language flag





Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 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 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.

HTTPS certificate

SSL Certificate has no SSL certificate. Web browsing can be safer with HTTPS connection, so we suggest that it should be obtained for this site.

Normal result

Visitor World Map

The server of is located in Netherlands, but, unfortunately, we cannot identify the countries where the visitors come from and thus it’s impossible to define if the distance can potentially affect the page load time.

Good result

Poor result

Social Sharing Optimization

Open Graph description is not detected on the main page of Werken Dyslexie. 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:

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