Analyze Home - Gemeente Amsterdam

Officiële site van de gemeente Amsterdam met informatie over onze diensten en het bestuur.

Page load speed analysis

  • 67/100

    Normal result
  • 6

    Successful tests
  • 2

    Failed tests
  • First response

    359 ms

  • Resources loaded

    1.9 sec

  • Page rendered

    388 ms

  • Total page load time

    2.6 sec

Visit now to see the best up-to-date Amsterdam content for Netherlands and also check out these interesting facts you probably never knew about

We analyzed page load time and found that the first response time was 359 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 40% of websites can load faster.

Page optimization

  • HTML 44.6 kB
    Images 270.7 kB
    Javascripts 552.5 kB
    CSS 715.2 kB

    In fact, the total size of main page is 1.6 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. 55% of websites need less resources to load. CSS take 715.2 kB which makes up the majority of the site volume.

    • Original 44.6 kB
    • After minification 44.5 kB
    • After compression 9.1 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. 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 35.5 kB or 80% of the original size.

    • Original 270.7 kB
    • After optimization 256.9 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. Amsterdam images are well optimized though.

    • Original 552.5 kB
    • After minification 551.5 kB
    • After compression 167.2 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 385.4 kB or 70% of the original size.

    • Original 715.2 kB
    • After minification 610.9 kB
    • After compression 65.1 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 650.0 kB or 91% of the original size.

Network requests diagram

  • c3b0086ea7a236a93fc4382be9dbe8ec.css
  • 706334aef8e877e6811f32e658794755.css
  • 6884d5b69df317bab3c957eb1fd33274.css
  • GSA-Zoekbox.css
  • 6e5f95fc56ef3b7289e80bbf6f4f2af5.css
  • b6eb28460a14f8f736b466504fe7d053.css
  • ed947734120074e6eaac3d6442783bf9.css
  • 21555c7adcfc14eddf98b71bd67dbf73.css
  • a100f7520815208695c3961de9d7c0cb.css
  • 44376a21782438c44ef6d9c1c6caa2fa.css
  • read.aspx
  • c0a9e94f19d6ddc57009a525750042a7.js
  • 3680cf49-2b05-4b8a-af28-fa9e27d2bed0.js
  • jquery.min.js
  • jquery-migrate-1.2.1.min.js
  • read.aspx
  • 16df300190002cd57d2b46d2781e7eab.js
  • jquery.history.js
  • jquery.jBreadCrumb.1.1.js
  • imagesloaded.pkgd.min.js
  • 33b5efab805af3f6f1a16a77f110d8a8.js
  • a556579d04f40a6c8f21e8db3777355d.js
  • b5675c324999e0d5f706c1d15bda117d.js
  • 6b7d8e2aa5cce756a51ad3597834a0ea.js
  • 141f6b67e09da9ea09b28443c3ab933a.js
  • gsa_functions_clean.js
  • 2df52e66951edf22475b0ec866dc16a2.js
  • analytics.js
  • andreas.svg
  • andreas.png
  • andreas-print.png
  • 17099-039_obs_de_achthoek_groep8b_22jan2015_e_v_eis-1.jpg
  • koningsdag.jpg
  • 17544-132_sportenfuntour_20okt2015_e_v_eis.jpg
  • beer.png
  • ipod.png
  • kaart.jpg
  • img.gif
  • sprite_bullets_big.png
  • sprite_bullets_small.png
  • sprite_backgrounds.png
  • sprite_buttons.png
  • crease_background_normal.png
  • aeh_____-webfont.woff
  • typeahead_bundle.js
  • siteanalyze_6004851.js
  • collect
  • collect
  • 17099-039_obs_de_achthoek_groep8b_22jan2015_e_v_eis-1.jpg
  • linkpointer.png
  • collect
  • e338bf9caa35f1ef45436af570533344.css
  • 049a4e3f86373cbb5a5ccbca972e5177.css
  • 2f3ad209ccb3916087ff3654f77a4417.css
  • 66778473d0c30c967f70101f80652785.css

Our browser made a total of 58 requests to load all elements on the main page. We found that 86% of them (50 requests) were addressed to the original, 5% (3 requests) were made to and 2% (1 request) were made to The less responsive or slowest element that took the longest time to load (638 ms) belongs to the original domain

Additional info on


The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Amsterdam. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 15 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 addresses which are currently shared with 2 other domains. The more sites share the same stack of IP addresses, 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.

Normal result

IP Trace

DNS records

Type Host Target/ip TTL Other
A 299
NS 299
NS 299

299 Mname:
Serial: 124852
Refresh: 10800
Retry: 1080
Expire: 2419200
Minimum-ttl: 900
MX 299 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.

Poor result

Visitor World Map

Country of origin for 90.8% of all visits is Netherlands. It lies approximately 4710 miles away from the server location (United States) and such a long distance can negatively affect website speed, as it takes some time for data to travel back and forth between those places. That’s why one of the best ways to speed up page load time for the majority of users is moving the server to Netherlands or just closer to the user base.

Poor result

Good result

Social Sharing Optimization

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

Share this report in social media

Analyze another website