Information Density: Cancer Research UK – Signal Evidence & AI Readability

Cancer Research UK

(https://www.cancerresearchuk.org) 📸 Data Snapshot: May 16, 2026
Information Density — The Lens

Classify each sentence as substantive or hollow. Grounding markers — numbers, currencies, dates, technical units, named entities — outweigh marketing adjectives. When fluff sits right next to hard evidence, the fluff is forgiven.

Info Density Power-words vs. Substance ratio.
24 Impact Weight: 30 / 100
80% Reputation

The information density is exceptionally high for the charity sector. While some headings use emotional power words like ‘vital research’ and ‘life-saving’, they are almost always paired with specific nouns or numbers, such as ‘more than 200 types of cancer’ or ‘4,000 researchers’. The body text maintains a high substance ratio, citing the HPV vaccine development and specific survival rate increases (doubling in 50 years) rather than relying solely on vague marketing fluff.

Information Density is read straight from the body copy: how much of the text carries grounded, checkable substance versus hollow filler. Below is the clean text the engine analyzed, then the industry’s known generic-claim patterns to weigh it against.

📝 The Narrative — clean text per page (the substance-vs-filler signal)
HOMEPAGE (https://www.cancerresearchuk.org) Cancer Research UK | The world's leading cancer charity
[IMG: A Cancer Research UK researcher in a lab looking at a device in her hand. She]
[H1] We exist to beat cancer.
We’re the world’s leading cancer charity, dedicated to saving and improving lives with our research.
[H2] Ways to support our vital research
We carry out research into more than 200 types of cancer. Whether you donate, fundraise or volunteer, every effort supports life-saving research.
[IMG: A photo of a person wearing a Cancer Research UK t-shirt.]
[H3] Get involved
Fundraise, leave a gift in your will or take part in an event - just some of the ways you can support us.
[IMG: A photo of a Cancer Research UK volunteer showing the way to a runner.]
[H3] Volunteer with us
Meet new people, develop your skills, and help change lives. Our volunteers make progress possible.
[IMG: A photo of Cancer Research UK fundraisers getting ready for a food sale.]
[H3] Do your own fundraising
From bake sales to bingo, fundraise your way. We’ve got lots of resources to help you.
[H2] You donate. We discover.
[H3] Over the past 50 years, our work has helped double cancer survival in the UK.
[H2] We're here to support you
Our trusted information is used by millions of people every week. Find the answers you need.
[IMG: A touching and caring image of a pair of nurse]
[H3] Information about cancer
Everything from symptoms and screening, to coping after treatment.
[IMG: A couple sat in their living room, looking at their laptop. They look hopeful, finding the information they need.]
[H3] Cancer Chat forum
Talk to others affected by cancer, share experiences, and get support.
[H2] The power of our science
Over 4,000 scientists, doctors and nurses are carrying out research that could save and improve the lives of people affected by cancer.
[IMG: A Cancer Research UK researcher at her computer, looking at a clipboard.]
[H3] Our research breakthroughs
We’re helping to change how cancer is prevented, detected, and treated. Discover the breakthroughs that are making a real difference.
[H2] What's new?
From events to campaigns or policy, find out what’s currently happening at Cancer Research UK.
[IMG: A photo of Hannah Fry and Michael Stevens.]
[H3] Listen to The Rest Is Science podcast
We've partnered with Goalhanger on a new series where curiosity meets discovery. Listen to Hannah Fry and Michael Stevens as they explore the wonders of science and the research driving our understanding of cancer.
[IMG: 3 Big Hikers with CRUK tshirts.]
[H3] Take on Big Hike 2026
Choose a 10k, half marathon or full marathon at one of seven stunning locations across the UK. Walk, ramble or stride through beautiful countryside, from woodlands and villages to wide open grasslands, with full support along the way.
[IMG: CRUK Shine event London 2023.]
[H3] It's your time to Shine
Step towards a brighter future with our supported night-time walks. Choose your challenge - 10k, half marathon or full marathon in a city near you.
[H2] Our fundraising brands
[IMG: The colourful logo for Cancer Research UK]
[IMG: The punchy orange, black and red Stand Up to Cancer logo.]
[IMG: The purple and clean Bowel Babe Fund logo - a legacy to Dame Deborah James.]
[IMG: The Bobby Moore Fund logo. Set up to tackle bowel cancer in memory of Bobby More OBE.]
Chat availableChat unavailableChat unavailable
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SUB-PAGE (https://cancerresearchuk.org/about-us/) About us | Cancer Research UK
[H1] About us
[IMG: Bottles in a lab.]
[H3] We beat cancer
We fund scientists, doctors and nurses to help beat cancer sooner. We also provide cancer information to the public.Get information about cancerRead about our research
[IMG: A Cancer Research UK fundraiser during a livestream.]
[H3] We raise money
Every step we make towards beating cancer relies on every pound donated.Do your own fundraisingHow your support helps
[IMG: Two smiling scientists in a lab using pipettes.]
[H3] Our organisation
A number of bodies work together to ensure that we make the best use of the funds we receive and continue to carry out world-class research.Read more
[IMG: Women campaigning against smoking.]
[H3] We develop policy
Our policy development team develops evidence-based policy to inform Government decisions related to cancer and research.Read more
[IMG: Researchers engaged in group discussion.]
[H3] Careers
We are professionals with purpose, beating cancer every day. Join us and together we will beat cancer.Browse careers
[IMG: A radiographer examining a mammogram image.]
[H3] Cancer news
Read the latest cancer news from Cancer Research UK and around the world.Browse the latest news
[IMG: Researchers in a lab looking at a computer screen.]
[H3] Our strategy to beat cancer
For the past 120 years, we’ve been making discoveries that have saved countless lives. But we have so much more to do. Our strategy sets out how we'll accelerate progress towards a better future.Discover our vision for the future
[IMG: A photo of three Campaigns Ambassadors talking.]
[H3] Press office
The press office offers a service to journalists who are looking for information about cancer, research and fundraising initiatives.Press office
[IMG: Blue icon image showing a simple map of England.]
[H3] Cancer Strategy in England
Information about the independent NHS England Cancer Taskforce, and Cancer Research UK's role.See more
[H3] Our fundraising promise
Supporters enable everything we do at Cancer Research UK.Our fundraising promise
[H3] Leaflets and publications
Free leaflets, posters and newsletters on prevention, diagnosis and understanding cancer by CRUK.Order or download now
[H3] About us
[H3] Chief Executive and Executive Board
[H3] Our Members
[H3] Council Committees
[H3] Our organisation
[H2] Get in touch
Cancer Research UK2 Redman Place​LondonE20 1JQ020 7242 0200More ways to contact usChat availableChat unavailableChat unavailable
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SUB-PAGE (https://cancerresearchuk.org/get-involved/) Get involved with Cancer Research UK | Cancer Research UK
[H2] Ways to get involved
Nearly 1 in 2 of us will get cancer in our lifetime.1 Whether you give your time, energy or donations, all of us can support the research that will beat cancer.
[IMG: A Cancer Research UK marathon runner.]
[H3] Find an event
Take on a challenge and raise vital funds for cancer research. From running to cycling, we have events across the UK.
[IMG: A photo of a Cancer Research UK volunteer showing the way to a runner.]
[H3] Volunteer with us
Meet new people, develop your skills and help change lives. Our incredible volunteers make progress possible.
[IMG: A photo of a Cancer Research UK volunteer shaving his head.]
[H3] Do your own fundraising
Whether you're full of ideas or looking for inspiration, get everything you need to make your fundraising a success.
[IMG: A woman sitting at a table with a lawyer, smiling as they review the document.]
[H3] Leave a gift in your Will
Find out how to pledge a legacy gift and help us protect the people you love for generations to come.
[IMG: Two female researchers working in a lab.]
[H3] Stay in the loop
Want to learn more about what we do and why it matters? Sign up to receive email updates delivered straight to your inbox.
[H2] Donate now and support life-saving research.
[H3] You donate. We discover.
In the UK, someone is diagnosed with cancer every two minutes. Your donations help support over 4,000 researchers, clinicians and nurses to transform how we prevent, diagnose and treat cancer, bringing hope to millions. Donate now
[H2] Other ways you can get involved
[IMG: Four Campaign Ambassadors of various ages and ethnicities are standing opposite the Houses of Parliament.]
[H3] Campaign for change
Become an E-campaigner or Campaigns Ambassador and help persuade politicians to support better cancer policies.
[IMG: A woman shopping in a Cancer Research UK shop.]
[H3] Shop with us
Find your local Cancer Research UK shop or visit one of our superstores.
[H3] Opportunities for people affected by cancer
We involve people affected by cancer in our work to ensure we’re meet the needs of patients, their families and loved ones.
[IMG: A photo of two patient involvement network members talking.]
[H3] Patient involvement at Cancer Research UK
Help shape our work, guide projects and make a difference to the lives of others facing cancer. Join our Involvement Network today.
[IMG: The Cancer Research UK for Children & Young People logo.]
[H3] Cancer Research UK for Children & Young People
Cancer Research UK for Children & Young People is the part of Cancer Research UK dedicated to supporting research into cancers affecting 0-24-year-olds. Learn more about our world-leading research and ways to get involved.
[H3] Opportunities for businesses, charities and not-for-profits
[IMG: A group of people smiling and waving signs at a Race for Life event.]
[H3] Become a partner
Learn about our corporate partnership programme and the ways we can work together.
[H2] References
cruk.org/lifetimerisk
[H2] References
cruk.org/lifetimeriskChat availableChat unavailableChat unavailable
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SUB-PAGE (https://cancerresearchuk.org/our-research/) Our research | Cancer Research UK
[H2] Over a century of life-changing research
Cancer Research UK was formed more than 20 years ago, in 2002. However, our history goes back much further, to 1902, with the founding of the Imperial Cancer Research Fund. Thanks to supporters like you, our pioneering work into how to prevent, diagnose and treat cancer has benefitted millions of lives over the past 120 years. Find out more about how our research has already made a difference to patients and what we are funding right now.
[IMG: Convergence Science Centre Shoot 2023.]
[H3] Our research by cancer type
Find out more about our research by cancer type
[IMG: A group of researchers working in the lab.]
[H3] Our research by cancer topic
Find out more about our research by cancer topic
[H2] Cancer Detectives: Finding the Cures
[IMG: Photo of three researchers Caroline, Richard and Sarah standing defiant and proud in a lab.]
[H3] Available to stream on Channel 4
We’re proud to partner with Channel 4  on Cancer Detectives: Finding the Cures – a powerful new documentary series that showcases pioneering research that could change everything, and the people behind it. Stream now
[IMG: A Cancer Research UK researcher at her computer, looking at a clipboard.]
[H3] Breakthroughs in other areas of cancer research
Every day, breakthroughs are saving lives. That’s the power of our science.
[H2] The Rest Is Science
[IMG: A photo of Hannah Fry and Michael Stevens.]
[H3] Available on YouTube and all podcast platforms from November 25
We've partnered with Goalhanger, Europe's largest independent podcast producer, on a new series where curiosity meets discovery. Listen to Hannah Fry and Michael Stevens exploring the wonders of science. Discover more
[H2] Our strategy to beat cancer sooner
Over the last 40 years, cancer survival in the UK has doubled. In the 1970s just 1 in 4 people survived their disease for 10 years or more. Today 2 in 4 survive. Our ambition is to accelerate progress and see 3 in 4 patients surviving the disease by 2034.Read more about our strategy
[H2] Cancer News
[H3] Cancer News
Browse the latest news, analysis and opinion from Cancer Research UK.
[H2] Further information
Want to find more information about our research or cancer?
[H3] Read about the progress our research has made
[H3] Find out about our research involving animals
[H3] More about the symptoms and treatments for cancer
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SUB-PAGE · THIN (https://cancerresearchuk.org/about-cancer/) About Cancer | Cancer Research UK

                        
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SUB-PAGE (https://cancerresearchuk.org/get-involved/donate/) Donate To Beat Cancer | Cancer Research UK
[H2] Your donations fund our progress
[IMG: An illustration of someone receiving a vaccine.]
[H3] Preventing Cancer
Our research led to the development of the HPV vaccine which is expected to prevent almost 90% of cervical cancer cases in the UK1.
[IMG: An illustration of a researcher looking through a microscope.]
[H3] Detecting Cancer
In the last 50 years, our work has helped double cancer survival in the UK. Finding new ways to detect cancer at an early stage has played an important role in this.
[IMG: An illustration of someone receiving cancer treatment.]
[H3] Treating Cancer
More than 8 in 10 people who receive cancer drugs in the UK receive a drug developed by us, or with us1. We are pioneering new treatments.
[H2] Mei-Ling's story
[IMG: An image of Mei-Ling and her daughter.]
[H3] My biggest fears were not seeing my daughter start school, and not seeing my girls grow up. But thanks to Cancer Research UK, now I will.
- Mei-Ling
[H2] Make your money go further with a monthly donation
[IMG: An icon of a strand of DNA.]
[H3] Small amounts, big discoveries
Every pound matters. When you make a regular donation, however small the amount, your impact builds up to power our biggest breakthroughs.
[IMG: An icon of a microscope.]
[H3] Monthly donations, more research
When you pay by Direct Debit, it helps keep our costs down so we can spend more on life-saving research.
[IMG: An icon of a figure behind a magnifying glass.]
[H3] Long-term projects, life-saving progress
Monthly donations give us a regular income. And a regular and predictable income means we can commit to pioneering long-term research projects with the biggest potential to save and improve lives in the future.
Donate Monthly
[H2] Donate in a way that suits you
[IMG: An icon of a computer cursor.]
[H3] Online
Our online form is the quickest way to donate. Online donation form
[IMG: An icon of an envelope.]
[H3] Post
Send us a donation form by post. Our Freepost address is on the forms. Single donation form(PDF, 339 KB)Regular donation form(PDF, 565 KB)
[IMG: An icon of a phone.]
[H3] Phone
Call our supporter services line (Monday to Friday, 8am - 8pm, Saturday & Sunday, 9am - 5pm).Call 0300 123 1022
[H2] Fund the research that matters most to you
We’re the only charity funding research into all 200 types of cancer. When you give to Cancer Research UK, we think carefully about where we spend the income across all cancer types. But if you'd like to donate to a type of cancer, we have 17 areas you can choose to fund. From bowel cancer to children's cancers or simply where the need is greatest.
[H2] Other ways to donate
There are other ways you can support our amazing research if you don't want to donate online.
[H3] Take on a fundraising challenge or activity
Fundraise through your own Giving PageFind someone else's Giving PagePay in your fundraising
[H3] Leave something behind to help others
Find out more about leaving a legacy gift in your Will
[H3] Donate in memory of a loved one
Donate in memory
[H3] Donate items to one of our shops
Donate items to a shopFind a shop
[H3] Play our weekly lottery
Learn more about our weekly lottery
[H3] Give through donation schemes
Find out about Gift AidLearn about Payroll GivingGive your shares to support our work
[H3] Make philanthropic donations
Learn more about philanthropy at Cancer Research UK
[H2] Stay in control of your regular donation
You can manage your donation at any time. You can increase, decrease or stop your regular donation as you need to.Manage your donation
[H2] References
Falcaro et al. The Lancet 2021. https://pubmed.ncbi.nlm.nih.gov/34741816/*Estimated based on Cancer Research UK analysis of England data
[H2] References
Falcaro et al. The Lancet 2021. https://pubmed.ncbi.nlm.nih.gov/34741816/*Estimated based on Cancer Research UK analysis of England data  Chat availableChat unavailableChat unavailable
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🧭 Industry Context — common generic-claim patterns in Charities, Nonprofits & NGOs to weigh the text against
Generic Claims: making a difference, changing lives, creating lasting impact, every donation counts, together we can, empowering communities…
Red Flags: no charity registration number, no published financial statements, emotional appeals without program specifics, vague impact claims without numbers, no information on how donations are allocated, founder-centric branding over mission…
Semantic Drift Patterns: homepage shows field work but programs page is vague, claims direct impact but finances show high admin ratios, mission targets one population but programs serve another, impact numbers on homepage not supported by program details…
Proof Expectations: published annual financial reports, charity registration number and regulatory body, specific program outcomes with measurable data, administrative-to-program spending ratios, named beneficiary stories with permission, independent audit results…