Analyze Bibliotheek 's-Hertogenbosch - Home

Website van de Bibliotheek 's-Hertogenbosch met vestigingen in Den Bosch en Rosmalen.

Page load speed analysis

  • 62/100

    Normal result
  • 7

    Successful tests
  • 1

    Failed test
  • First response

    1.2 sec

  • Resources loaded

    3.8 sec

  • Page rendered

    557 ms

  • Total page load time

    5.5 sec

Click here to check amazing Obdenbosch content. Otherwise, check out these important facts you probably never knew about

We analyzed page load time and found that the first response time was 1.2 sec and then it took 4.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Page optimization

  • HTML 86.2 kB
    Images 867.0 kB
    Javascripts 43.1 kB
    CSS 208.4 kB

    In fact, the total size of main page is 1.2 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 867.0 kB which makes up the majority of the site volume.

    • Original 86.2 kB
    • After minification 69.4 kB
    • After compression 15.1 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 16.8 kB, which is 19% 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 71.1 kB or 82% of the original size.

    • Original 867.0 kB
    • After optimization 838.5 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. Obdenbosch images are well optimized though.

    • Original 43.1 kB
    • After minification 43.1 kB
    • After compression 16.0 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 27.1 kB or 63% of the original size.

    • Original 208.4 kB
    • After minification 169.3 kB
    • After compression 32.4 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 176.0 kB or 84% of the original size.

Network requests diagram

  • widgetkit-5714e847.css
  • app.css
  • font-awesome.css
  • idangerous.swiper.css
  • style.css
  • jquery.min.js
  • jquery-noconflict.js
  • jquery-migrate.min.js
  • widgetkit-ab044f05.js
  • jquery.min.js
  • core.js
  • template.js
  • iframe.resize.js
  • jquery.jcarousel.js
  • idangerous.swiper-2.4.min.js
  • mootools-core.js
  • core.js
  • mootools-more.js
  • general.css
  • layout.css
  • positions.css
  • system.css
  • tmix.css
  • skin.css
  • responsive.css
  • custom.css
  • denbosch.css
  • polyfills.js
  • vendor.js
  • wcp.js
  • lightbox.js
  • mediaelement-and-player.js
  • spotlight.js
  • circle.png
  • logo.png
  • help-db.png
  • button-readmore-db.png
  • menutop-help.png
  • menutop-catalogus.png
  • menutop-mob.png
  • menutop-drempelvrij.png
  • triangle.png
  • litman_2016_290.jpg
  • werk_en_inspiratie_290.jpg
  • la_isla_minima.jpg
  • rodaan_al_galidi.jpg
  • jeroen_bosch_500.jpg
  • siep%20vrijstaand%2050.jpg
  • Thema_300x50.gif
  • s_logo%20het%20lopende%20vuur173.jpg
  • s_schrijfwerkplaats885.jpg
  • s_21%20mrt%20Mieters_Wim%20Daniels%202x2.jpg
  • s_21mrt%20buteyko%202x2.jpg
  • s_23mrt%20brussenboek%202x3.jpg
  • s_vmjb%20pasen%202x2.jpg
  • s_vmjb%20pasen%202x2665.jpg
  • s_voorlezen%20peuters%202349185.jpg
  • image_00001.jpg
  • menukaart2014%20voorkant%2075.jpg
  • boekenweek_229c.jpg
  • curve.png
  • bg-widget-standard.png
  • TMU_de_man_229.jpg
  • ruw-logo-rgb_229.jpg
  • brussenboek.jpg
  • kik_is_op_mik_229.jpg
  • thesans-plain-webfont.woff
  • widgets.js
  • shonline.png
  • twitter.png
  • facebook.png
  • pinterest.png
  • youtube.png
  • lines.gif
  • location.png
  • ga.js
  • timeline.d11f7a3b3287fb94220e8ee6d03cc772.js
  • __utm.gif
  • wise-icons.woff
  • syndication
  • 390408278271721472
  • 1f600.png
  • timeline.47ab5d19e8ed22531abcf4f86f3ae53a.light.ltr.css
  • timeline.47ab5d19e8ed22531abcf4f86f3ae53a.light.ltr.css
  • 4UnqAHJn_normal.png
  • -apj1rpM_normal.png
  • ydBggGoY_normal.jpeg
  • z1fPSDKn_normal.jpeg
  • a82ffff25142377b256cfb4013fa936a_normal.png
  • eS4_wTLz_normal.jpg
  • 43b0ea384fc6eff5465796dba923ad58_normal.png
  • hmlm4o7g6hvu1eyjxv2d_normal.jpeg
  • 9c86f52f0e2d064d6d2c42922775d7fb_normal.jpeg
  • Cdp7p_kW8AAPAAw.jpg:large
  • CdlYE-MWEAES9zd.jpg
  • Cc79tX6WwAAqzl6.jpg
  • Cd6p-a4XIAAq5A0.jpg:small
  • Cd6p-eqW8AEhhfz.jpg:small
  • Cd6p-iwWwAEoRBo.jpg:small
  • Cd6p-nIWIAAIDPN.jpg:small
  • CddKvQAWIAAFx52.jpg:small
  • CddKvkFWIAEk799.jpg:small
  • CdbcQ4aW0AAWMZt.jpg:small
  • CdbcQ4cW4AIwS36.jpg:small
  • CdbcQ4cXEAAfpEL.jpg:small
  • jot.html

Our browser made a total of 109 requests to load all elements on the main page. We found that 64% of them (70 requests) were addressed to the original, 19% (21 requests) were made to and 6% (7 requests) were made to The less responsive or slowest element that took the longest time to load (1.4 sec) relates to the external source

Additional info on


The browser has sent 92 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Obdenbosch. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 16 to 1 for CSS and as a result speed up the page load time.











Possible request optimization













Normal result

IP address

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

Normal result

IP Trace

DNS records

Type Host Target/ip TTL Other
A 297
NS 3600
NS 3600
NS 3600

300 Mname:
Serial: 2013052303
Refresh: 10800
Retry: 3600
Expire: 604800
Minimum-ttl: 14400

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 Obdenbosch. 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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