Analyze Duomo di Milano - Homepage

Official website of Duomo di Milano, valued and guarded by the Veneranda Fabbrica del Duomo. It is dedicated to Santa Maria Nascente and it is located in the main square in the center of the city.

Page load speed analysis

  • 63/100

    Normal result
  • 7

    Successful tests
  • 1

    Failed test
  • First response

    265 ms

  • Resources loaded

    3.2 sec

  • Page rendered

    256 ms

  • Total page load time

    3.7 sec

Visit now to see the best up-to-date Duomo Milano content for Italy 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 265 ms and then it took 3.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Page optimization

  • HTML 42.8 kB
    Images 633.6 kB
    Javascripts 54.9 kB
    CSS 144.9 kB

    In fact, the total size of main page is 876.2 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. 60% of websites need less resources to load. Images take 633.6 kB which makes up the majority of the site volume.

    • Original 42.8 kB
    • After minification 40.6 kB
    • After compression 9.7 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 33.1 kB or 77% of the original size.

    • Original 633.6 kB
    • After optimization 632.2 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. Duomo Milano images are well optimized though.

    • Original 54.9 kB
    • After minification 52.3 kB
    • After compression 21.0 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 33.9 kB or 62% of the original size.

    • Original 144.9 kB
    • After minification 144.8 kB
    • After compression 24.1 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 120.8 kB or 83% of the original size.

Network requests diagram

  • vfd.min.css
  • ga.min.js
  • 202f265e-154b-459e-91d8-54d71cc6d343_mainhp.jpg
  • modernizr.custom.09615.js
  • jquery.min.js
  • vfd.min.js
  • conversion.js
  • qoob.cookielaw.min.js
  • 349113dd-2ffb-4c40-8c99-b40a380ec83c_medium.jpg
  • 202f265e-154b-459e-91d8-54d71cc6d343_medium.jpg
  • caf49f3f-3466-4ad9-9509-49f5f186ec1e_medium.jpg
  • 067cbb3b-46a3-4ffb-a45b-a3fbed27a730_medium.jpg
  • 485ff3b9-f4a5-488c-90db-105bdd871e1d_small.jpg
  • caf49f3f-3466-4ad9-9509-49f5f186ec1e_small.jpg
  • cc1998fe-5223-4036-a9a3-56b5a1636722_small.jpg
  • 0bf5579b-34c6-4b74-b811-c0e185719340_small.jpg
  • 661392dc-d0f7-4da8-b597-d5b69c280c74_small.jpg
  • c54191de-1bbb-4216-9113-07aea71fbaec_small.jpg
  • analytics.js
  • collect
  • all.js
  • logo1.png
  • bannerChannel2.png
  • time.png
  • distth__-webfont.woff
  • fontawesome-webfont.woff
  • widgets.js
  • qoob.cookielaw.min.css
  • getuserlogged
  • timeline.1b43d11859b7663a2225b885f87704a5.js
  • xd_arbiter.php
  • xd_arbiter.php
  • syndication
  • 411158762028670976
  • timeline.4d087f49a21e27038d9769d7c976b8fa.default.css
  • timeline.4d087f49a21e27038d9769d7c976b8fa.default.css
  • kOUk__SG_normal.jpg
  • b_a5EcI__normal.jpg
  • fEswFPkQ_normal.png
  • 2s2D2VyI_normal.png
  • CcZAQQsXEAIiRtP.jpg:small
  • CcYUdu1W4AAH3kW.jpg:small
  • CcJ4BCcXEAA1vLL.jpg:small
  • CcJ3NkWWAAAOI_I.jpg:small
  • CcJsJJCWAAAmtrC.jpg:small
  • CcEJtUxW4AE0azN.jpg:small
  • update.js
  • f.png
  • like_box.php
  • jot
  • jTuqQ-OPDr6.css
  • n370yiaI2G6.css
  • dbNRhrdsQao.css
  • 1-xIpmMldel.css
  • cCIltMJutxu.css
  • _rx8naC75Dy.js
  • ZFt4Xru0ZkB.js
  • ICDbTSzjQEg.js
  • TTCre3391I0.js
  • njO1TPvGzoR.js
  • b_6HNn_J2BZ.js
  • 7cm7D75Y0Sf.js
  • rFmE1g6Dkoz.js
  • 336JejShbZp.js
  • 12540603_765579366880151_5125939565095155691_n.jpg
  • safe_image.php
  • safe_image.php
  • 12523918_765577210213700_5258008457565075985_n.jpg
  • 12705623_785713444866743_6801328985373745920_n.jpg
  • 12801514_785713504866737_7121985096224028063_n.jpg
  • 12065833_964164353644715_4449249044780393045_n.jpg
  • 12524117_785639831540771_8218778065372423719_n.jpg
  • 12805667_785639854874102_7959490440280800164_n.jpg
  • wL6VQj7Ab77.png
  • s7jcwEQH7Sx.png
  • QDwYpIaRyfG.png
  • a-ZN6WoEOje.png
  • I6-MnjEovm5.js
  • vlXaquuXMrr.js

Our browser made a total of 85 requests to load all elements on the main page. We found that 6% of them (5 requests) were addressed to the original, 24% (20 requests) were made to and 13% (11 requests) were made to The less responsive or slowest element that took the longest time to load (788 ms) relates to the external source

Additional info on


The browser has sent 79 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Duomo Milano. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.











Possible request optimization













Normal result


As for redirects, our browser reached this domain in two steps. The first redirect led to, then it was forwarded to, and finally we managed to open this domain. We strongly recommend that the redirects should be reduced, as the more redirects a site has, the slower it loads.

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 599
NS 21599
NS 21599
NS 21599
NS 21599

Language and encoding

Good result


EN en language flag


EN en 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 English 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

Country of origin for 30.8% of all visits is Italy. It lies approximately 750 miles away from the server location (Netherlands) and such a distance cannot critically affect website speed, but moving the server closer to their user base in Italy can speed up page load time anyway.

Normal result

Good result

Social Sharing Optimization

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

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