cancerresearchuk.org
Cancer Research UK | The world's leading cancer charity
Last scanned Aug 1, 2026, 3:00 AM · 8 views
Overall score
Great
Summary
We exist to beat cancer. This website uses Next.js behind Vercel CDN. SEO is excellent (90/100) and accessibility is excellent (100/100). Security scores good (85/100) and performance fair (50/100). Top issue: robots.txt not found.
Cancer Research UK
We exist to beat cancer. And we're dedicated to saving and improving lives with our research. Will you help us transform the lives of future generations?
- 2 Redman Place, London, E20 1JQ.
Top issues to fix
6 issues found · 1 high priority
Very heavy page (3.7 MB)
PerformanceCompress images (WebP/AVIF), lazy-load below-the-fold media, and trim unused JavaScript.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
20 broken links on the page
SEOFix or remove broken links — they waste crawl budget and erode user trust.
SEO
2 issue(s) found
Performance
204 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
-3 overall since Jul 25, 2026
- Overall
- 81
- SEO
- 90
- Security
- 85
- Performance
- 50
- Accessibility
- 100
Organization
Company details published in this site's own structured data.
Cancer Research UK
We exist to beat cancer. And we're dedicated to saving and improving lives with our research. Will you help us transform the lives of future generations?
Contact
Email, phone, and address published on this site's own pages.
- EarlyCareers@cancer.org.ukLegacyOperations@cancer.org.ukadjudication@ibas-uk.co.ukcampaigning@cancer.org.ukcrukorders@paragon-cc.co.ukdonationstation@cancer.org.uknewsfeed@cancer.org.ukrecruitment@cancer.org.uksupporter.services@cancer.org.ukvolunteering@cancer.org.uk
- Phone
- 03001234452
- Address
- 2 Redman Place, London, E20 1JQ.
Meta tags
- Title
- Cancer Research UK | The world's leading cancer charity
- Description
- We exist to beat cancer. And we're dedicated to saving and improving lives with our research. Will you help us transform the lives of future generations?
- Canonical
- https://www.cancerresearchuk.org
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- index, follow
- Manifest
- https://www.cancerresearchuk.org:443/manifest.webmanifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- —
- CDN provider
- Vercel
- IP address
- —
- ASN
- —
DNS records
| Type | Value |
|---|---|
| A | — |
| AAAA | — |
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Amazon
- Subject
- www.cancerresearchuk.org
- Valid from
- Dec 14, 2025
- Valid to
- Jan 12, 2027
- Days until expiry
- 164
- SAN domains
- www.cancerresearchuk.org
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyEnabled
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 6 · H3 11
Links
12 internal · 33 external · 20 broken
Images
17 total · 0 missing alt
Scripts / Styles
55 scripts · 2 stylesheets
JS / CSS size
3.5 MB · 119 KB
Page size
3.7 MB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://cancerresearchuk.org
- Final URL
- https://www.cancerresearchuk.org:443/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 126 ms
- HTML size
- 3.7 MB
- Redirect chain
- https://cancerresearchuk.org → https://www.cancerresearchuk.org:443/
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Frequently asked questions
- What technology does cancerresearchuk.org use?
- cancerresearchuk.org is built with Next.js.
- Is cancerresearchuk.org secure (HTTPS)?
- Yes. cancerresearchuk.org uses TLS 1.3 with a certificate issued by Amazon, valid until Jan 12, 2027.
- Who hosts cancerresearchuk.org?
- Hosting provider information for cancerresearchuk.org is not available yet.
- What is cancerresearchuk.org's SEO score?
- cancerresearchuk.org scored 90/100 for SEO in the latest analysis (excellent).
- What is cancerresearchuk.org's overall website score?
- cancerresearchuk.org has an overall SiteGraph score of 81/100, combining SEO, performance, security, and accessibility.
- What company operates cancerresearchuk.org?
- cancerresearchuk.org is operated by Cancer Research UK. We exist to beat cancer. And we're dedicated to saving and improving lives with our research. Will you help us transform the lives of future generations?
- Has cancerresearchuk.org's score changed over time?
- cancerresearchuk.org's overall score has declined by 3 points (from 84 to 81) since Jul 25, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card