Analyze British Museum - Welcome to the British Museum

The Museum houses a vast collection of world art and artefacts and is free to all visitors. Find information about visiting, including admission and opening times, events and exhibitions, gallery guid...

Page load speed analysis

  • 66/100

    Normal result
  • 7

    Successful tests
  • 1

    Failed test
  • First response

    407 ms

  • Resources loaded

    2.2 sec

  • Page rendered

    319 ms

  • Total page load time

    2.9 sec

Welcome to homepage info - get ready to check British Museum best content for United Kingdom right away, or after learning these important things about

We analyzed page load time and found that the first response time was 407 ms and then it took 2.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Page optimization

  • HTML 44.9 kB
    Images 1.7 MB
    Javascripts 687.5 kB
    CSS 190.7 kB

    In fact, the total size of main page is 2.6 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. 50% of websites need less resources to load. Images take 1.7 MB which makes up the majority of the site volume.

    • Original 44.9 kB
    • After minification 36.7 kB
    • After compression 10.8 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 8.1 kB, which is 18% 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 34.1 kB or 76% of the original size.

    • Original 1.7 MB
    • After optimization 1.6 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. British Museum images are well optimized though.

    • Original 687.5 kB
    • After minification 607.4 kB
    • After compression 193.4 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 494.0 kB or 72% of the original size.

    • Original 190.7 kB
    • After minification 150.4 kB
    • After compression 31.6 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 159.1 kB or 83% of the original size.

Network requests diagram

  • WebResource.axd
  • stylesheet.css
  • default.css
  • v2a_defaults.css
  • slideshow.css
  • v2_new_homepage.css
  • setup.js
  • satelliteLib-596fc8a35c5f3304fa07ca27622774d9515ff798.js
  • jquery.cycle2.min.js
  • jquery.cycle2.swipe.min.js
  • jquery.easing.1.3.js
  • fac10929-f421-4265-91f7-38d44fb4b6b0.js
  • ebOneTag.js
  • adobeAnalytics.js
  • jquery.min.js
  • core.js
  • analytics.js
  • id
  • bmlogo_print.png
  • sunken_cities_624_v2.png
  • sicily_624.jpg
  • tes_winner_624.jpg
  • special_exhibitions_624.jpg
  • frome_hoard_304x243.jpg
  • edo-mask_homepage_148x148.jpg
  • lewis-chessman_homepage_148x148.jpg
  • rosetta-stone_homepage_148x148.jpg
  • double-headed-serpent-homepage_148x148.jpg
  • bm_street_view_304.jpg
  • grid3-1.jpg
  • samsung_homepage_224x123.jpg
  • grid3-2.jpg
  • museum_of_the_citizen_logoB_304x304.gif
  • grid3-3.jpg
  • Services_224.jpg
  • bm_shop_224.jpg
  • support_us_224.jpg
  • 2825_2989_citizen_304.jpg
  • 2727_2940_2727_2938_Credit-AnnaSaunders_304x171.jpg
  • 2829_2993_coin_hoard.jpg
  • 2831_3137_2827_304.jpg
  • 2845_3151_beethoven_portrait_Pasternac.jpg
  • 2931_3029_2931_304.jpg
  • headerLogo.gif
  • linkArrowsTransparent.gif
  • spinner.gif-
  • linkid.js
  • id
  • spinner.gif-
  • bmicons.woff
  • collect
  • linkArrows.png
  • Serving
  • s-code-contents-517ec04e47d4e3ae44c6eb39b6e4b95194c8ad57.js
  • googleanalytics.js
  • surveyV2.js
  • search.js
  • headerTabIndex.js
  • shareWidget.js
  • jquery.cookie.js
  • zones-js.aspx
  • collect
  • s45467048077844
  • ga-audiences
  • tc.min.js
  • pixel
  • ca.html
  • pixel
  • pixel
  • Pug
  • ibs:dpid=1121&dpuuid=784541135081458127&redir=
  • cx
  • rum
  • adb.gif
  • 1
  • cs
  • sync
  • cm
  • js
  • pixel.gif
  • cm
  • sd
  • xrefid.xgi
  • 360947.gif
  • tap.php
  • cx
  • cm
  • pixel
  • mapuid
  • cm
  • xrefid.xgi
  • rum
  • cx
  • 362378.gif
  • lr.gif
  • pixel.gif
  • collect
  • jquery.color-2.1.2.min.js
  • print.css

Our browser made a total of 103 requests to load all elements on the main page. We found that 49% of them (50 requests) were addressed to the original, 4% (4 requests) were made to and 4% (4 requests) were made to The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain

Additional info on


The browser has sent 92 CSS, Javascripts, AJAX and image requests in order to completely render the main page of British Museum. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 7 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 300
NS 14400
NS 14400

14400 Mname:
Serial: 2019012147
Refresh: 28800
Retry: 7200
Expire: 604800
Minimum-ttl: 14400
MX 3600 Pri: 10

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.

Poor result

Visitor World Map

Country of origin for 26.7% of all visits is United Kingdom. It’s good for that their server is also located in United Kingdom, as that enables the majority of their visitors to benefit from a much faster page load time.

Good result

Normal result

Social Sharing Optimization

Open Graph data is detected on the main page of British Museum. 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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