Analyze Cancer Research UK

We are the world’s leading independent cancer charity dedicated to saving lives through research, influence and information.

Page load speed analysis

  • 61/100

    Normal result
  • 6

    Successful tests
  • 2

    Failed tests
  • First response

    241 ms

  • Resources loaded

    2.3 sec

  • Page rendered

    295 ms

  • Total page load time

    2.8 sec

Visit now to see the best up-to-date Cancer Research UK content for United Kingdom 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 241 ms and then it took 2.6 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 98.0 kB
    Images 683.6 kB
    Javascripts 1.3 MB
    CSS 1.2 MB

    In fact, the total size of main page is 3.2 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 1.3 MB which makes up the majority of the site volume.

    • Original 98.0 kB
    • After minification 93.1 kB
    • After compression 22.1 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 75.9 kB or 77% of the original size.

    • Original 683.6 kB
    • After optimization 626.8 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. Cancer Research UK images are well optimized though.

    • Original 1.3 MB
    • After minification 1.0 MB
    • After compression 328.4 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 928.9 kB or 74% of the original size.

    • Original 1.2 MB
    • After minification 1.2 MB
    • After compression 177.3 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 1.0 MB or 85% of the original size.

Network requests diagram

  • css__-teMaEYUnT7mZusvYg1jGu7NYg9tU_1n9BxP0jxHh-g__LPyOtavGtJN-hQu7ufmsFIjSs6YsuulFfbXZqGZqp0s__BpbpYvIfbOCNHiP-X6sJaIjpLmf5740BA5F2PT8StmU.css
  • css__Z7fi8-Nh7Ww_wm1IvyTBCm9vAw8N0s7ETo9ZEcJLD6Y__81MJTz23Dn9KcDM5229idHQe9KZKB3UrjX3rAR1fAyM__BpbpYvIfbOCNHiP-X6sJaIjpLmf5740BA5F2PT8StmU.css
  • css__5bV9pvb0l3t4w9MtbPoQxotXW18GNMsk_SV0f97vWdw__EWNiIGa8nu38SjJaozbtbSFwhgqgq6Y6fJZiubgBpxw__BpbpYvIfbOCNHiP-X6sJaIjpLmf5740BA5F2PT8StmU.css
  • css__4MrQNelcn-O0jwkpGMY2zK-P0Rb1mRtNTr1kCXbJcho__ob9agr7OpDt8EYKmfosH3dqAN9DJFFoFPZFlF7vGGZ8__BpbpYvIfbOCNHiP-X6sJaIjpLmf5740BA5F2PT8StmU.css
  • css__ur7Bg2aYfEzwYa1UkN-6EBz61a8y1STBL9u8RfdMt1c__V6wN5Q2cRnANUskcz7EGq4-EzUdHbzEULs2eyFJUD6g__BpbpYvIfbOCNHiP-X6sJaIjpLmf5740BA5F2PT8StmU.css
  • css__9qcV9rQwsvZ3-LPtRecaNo2cf0aySvHuD51Ox2byCPQ__v2uub-i-txGSkZkudelyoAPEYHRsgA4zFPeDvKnbmns__BpbpYvIfbOCNHiP-X6sJaIjpLmf5740BA5F2PT8StmU.css
  • css__bYr4GQyozTalTrPic55VcKSh8QiPR1jKrqbaBiOuMN4__VtXcFzsbe6XFANZKZyJ8u9gXdEOug0BVQ5pe60K7-Nw__BpbpYvIfbOCNHiP-X6sJaIjpLmf5740BA5F2PT8StmU.css
  • css__DMU1Pun-V8IRR-RHt6qeII9O0v2DDgr6LCCuFQ0s5RI__NM2MnOOXgj0yihKp3qpJcOPT12IEtl6ZQxOznj4rp30__BpbpYvIfbOCNHiP-X6sJaIjpLmf5740BA5F2PT8StmU.css
  • compatibility.js
  • modernizr-2.8.3.js
  • js__mT-0ROCf4iEIXHSbqx9b6jrL_8JlEaUDRABSorhP7SU__WomEhoTRUpCwe3QqNxLJd9QOJw7Si27ZELqXwLcSvs4__BpbpYvIfbOCNHiP-X6sJaIjpLmf5740BA5F2PT8StmU.js
  • js__RbbrYVA-N1N5_B8vd0WrpyZNayu14Hqh-HuzS5zFuyM__EdjjDZCqUoyHj-mmE-RZCxCrSBSVXbzTMNsGAJxu3ik__BpbpYvIfbOCNHiP-X6sJaIjpLmf5740BA5F2PT8StmU.js
  • icon-google.png
  • icon-facebook.png
  • icon-twitter.png
  • logo.png
  • donate1.jpg
  • fundraise_4.jpg
  • volunteer2.jpg
  • cancer-is-happening_1.png
  • wcdlarge-tile.png
  • homepage_case-study_lung-cancer2.jpg
  • apply-for-a-research-grant.gif
  • health_professional.jpg
  • frs_board_logo_grey.png
  • gtm.js
  • all.js
  • widgets.js
  • sprite-hp-new-roundels.png
  • pink-arrow.png
  • sprite-full.png
  • menu-leaf.png
  • 2D649C_0_0.woff
  • 2D649C_1_0.woff
  • i.php
  • LmdhnaG5P7k
  • 2D649C_3_0.woff
  • analytics.js
  • channel.js
  • activityi;src=2891218;type=mpcruk;cat=crukh099;ord=1;num=6478306220472;
  • like.php
  • collect
  • collect
  • www-embed-player-vflZsBgOl.css
  • www-embed-player.js
  • base.js
  • x28112
  • activity
  • conversion.js
  • mbucrm_Homepage19112012_1
  • p-Nm_KHG359nhPr.gif
  • tr
  • cc
  • cc
  • layer.php
  • ga-audiences
  • -1cfYrhulAt.js
  • LVx-xkvaJ0b.png
  • xd_arbiter.php
  • xd_arbiter.php
  • yrK4EqpSRdoujKQmsJoZ5WaLgeULvcWnibQMQSxOOnM.js
  • ad_status.js
  • 2UX7WLTfW3W8TclTUvlFyQ.woff
  • dis.aspx
  • mobile-menu.tpl.html
  • menu-arrow-grey.gif
  • collect
  • collect
  • iframe_api
  • button.831500944bc3eb7ea5276ccdc3f71d2e.js
  • homepage_case-study_lung-cancer2.jpg
  • apply-for-a-research-grant.gif
  • health_professional.jpg
  • 3591.js
  • ga-audiences
  • www-widgetapi.js
  • s
  • u
  • follow_button.6a78875565a912489e9aef879c881358.en.html
  • LmdhnaG5P7k
  • xd_arbiter.php
  • RxZJdnzeo3R5zSexge8UUT8E0i7KZn-EPnyo3HZu7kw.woff
  • jot
  • css__3Mq1UnK3nGfkDhgT_FPX3TF5PGXD7Aul-KMzwtUlBzU__sx9VXkLFoHDbQnLh7YBcINF1RPsB6mxuDEVSmWk7F9Y__BpbpYvIfbOCNHiP-X6sJaIjpLmf5740BA5F2PT8StmU.css
  • css__FMcyQ5jVIUA9g1zU3yS8iTNKK4C1vSylJ3tZPSKz9TM__LsLK5qPawC6fkzFV4xFK4nisjGWKqzKgZBbtg3tCt7g__BpbpYvIfbOCNHiP-X6sJaIjpLmf5740BA5F2PT8StmU.css
  • collect
  • collect
  • ga-audiences

Our browser made a total of 94 requests to load all elements on the main page. We found that 44% of them (41 requests) were addressed to the original, 5% (5 requests) were made to and 4% (4 requests) were made to The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain

Additional info on


The browser has sent 84 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cancer Research UK. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 11 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

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
A 300
NS 21600
NS 21600
NS 21600

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 39.1% of all visits is United Kingdom. It lies approximately 180 miles away from the server location (Ireland) and such a small distance can positively affect website speed, as data can travel really fast between those locations.

Good result

Poor result

Social Sharing Optimization

Open Graph description is not detected on the main page of Cancer Research UK. 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:

Share this report in social media

Analyze another website