de Baak is dé plek voor leiders, ondernemers en professionals die op zoek zijn naar inspiratie, motivatie, kennis en inzicht.

Page load speed analysis

  • 52/100

    Normal result
  • 7

    Successful tests
  • 1

    Failed test
  • First response

    610 ms

  • Resources loaded

    5.2 sec

  • Page rendered

    765 ms

  • Total page load time

    6.6 sec

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We analyzed page load time and found that the first response time was 610 ms and then it took 6 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Page optimization

  • HTML 83.2 kB
    Images 3.3 MB
    Javascripts 427.9 kB
    CSS 119.5 kB

    In fact, the total size of main page is 3.9 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 3.3 MB which makes up the majority of the site volume.

    • Original 83.2 kB
    • After minification 59.8 kB
    • After compression 13.5 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. This page needs HTML code to be minified as it can gain 23.4 kB, which is 28% 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 69.7 kB or 84% of the original size.

    • Original 3.3 MB
    • After optimization 2.4 MB

    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, De Baak Conferentiefaciliteiten needs image optimization as it can save up to 891.6 kB or 27% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

    • Original 427.9 kB
    • After minification 427.3 kB
    • After compression 133.5 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 294.4 kB or 69% of the original size.

    • Original 119.5 kB
    • After minification 119.4 kB
    • After compression 21.6 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 97.8 kB or 82% of the original size.

Network requests diagram

  • screen.prefixed.css
  • VisitorIdentification.js
  • WebResource.axd
  • all.js
  • velocity.js
  • require.js
  • config-requirejs.js
  • hotjar-71858.js
  • fbevents.js
  • insight.min.js
  • logo.svg
  • hero_header_0020_50.jpg
  • opleidingen.png
  • coaching.png
  • maatwerk.png
  • nieuws.png
  • teaser_video_ricardo_semler.png
  • teaser_0021.jpg
  • teaser_0007.jpg
  • teaser_0004.jpg
  • teaser_video_lvi.jpg
  • teaser_video_utrecht_innovatie_traject.png
  • teaser_bedanktvooruwkomst.jpg
  • boekkaft_thies.jpg
  • teaser_kunst_leon_tebbe.png
  • teaser_0013.jpg
  • priscillavansoestbergen.jpg
  • logodiapositive.svg
  • gtm.js
  • widget_v2.134.js
  • mask.jpg
  • thema_persoonlijkeontwikkeling_0002.jpg
  • thema_leiderschap_0003.jpg
  • thema_leiderschap_0001.jpg
  • thema_leiderschap_0004.jpg
  • thema_persoonlijkeeffectiviteit_0003.jpg
  • achtergrond_inspiratie_0004.jpg
  • teaser_video_ricardo_semler.png
  • teaser_0021.jpg
  • teaser_0007.jpg
  • teaser_0004.jpg
  • teaser_video_lvi.jpg
  • teaser_video_utrecht_innovatie_traject.png
  • events_semler_in_de_polderv4.gif
  • teaser_bedanktvooruwkomst.jpg
  • boekkaft_thies.jpg
  • teaser_kunst_leon_tebbe.png
  • __$$__stringtable_lang_nl.js
  • debaak.ttf
  • teaser_0013.jpg
  • analytics.js
  • line.png
  • collect
  • collect
  • modules-043c1e6abe660c48857202e419ff9d8a.js
  • ga-audiences
  • main.js
  • l
  • bianca_stokman_gek.png
  • guus_brackel.png
  • elisabeth_bogaard.png
  • godfried_ijsseling.png
  • aL63HcygAAVYuCCsAAA==
  • modernizr.js
  • CookieBar.js
  • Autosuggest.js
  • Search.js
  • media.js
  • ResponsiveWindow.js
  • window.js
  • print.css

Our browser made a total of 79 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original, 80% (63 requests) were made to and 3% (2 requests) were made to The less responsive or slowest element that took the longest time to load (2 sec) relates to the external source

Additional info on


The browser has sent 71 CSS, Javascripts, AJAX and image requests in order to completely render the main page of De Baak Conferentiefaciliteiten. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and as a result speed up the page load time.









Possible request optimization











Normal result


As for redirects, our browser reached this domain in four steps. The first redirect led to, then it was forwarded to, and afterwards it was sent to and a few other URLs (see the full list below) before we finally managed to reach this website. We strongly recommend that the redirects should be reduced, as the more redirects a site has, the slower it loads.

IP address

This IP address is dedicated to This is the best domain hosting practice .

Good result

IP Trace

DNS records

Type Host Target/ip TTL Other
A 3591
NS 21599
NS 21599
NS 21599

3599 Mname:
Serial: 2009052940
Refresh: 86400
Retry: 3600
Expire: 3600000
Minimum-ttl: 3600

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

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

Normal result

Social Sharing Optimization

Open Graph description is not detected on the main page of De Baak Conferentiefaciliteiten. 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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