What powers 
roycastle.org?
Last seen Oct 2026 · 47 technologies across 22 categories
Analytics
CDN
CMS
Cookie compliance
Databases
Ecommerce
Font scripts
JavaScript libraries
Miscellaneous
Operating systems
PaaS
Page builders
Performance
Programming languages
Reviews
Security
SEO
Tag managers
UI frameworks
Web servers
WordPress plugins
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Nov 2026.
- robots.txt found
- llms.txt found
- ai.txt not found
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| back ache lung cancer | #3 | 160 |
| symptoms for lung cancer back pain | #1 | 79 |
| club fingernails | #22 | 67 |
| stage 4 cancer | #53 | 64 |
| back pain and lung cancer | #4 | 53 |
| can lung cancer cause back pain | #5 | 41 |
| how i knew i had lung cancer | #12 | 41 |
| lung cancer remission rate | #64 | 38 |
| lung cancer and back pain | #5 | 38 |
| early signs lung cancer face swelling | #1 | 27 |
| stage four lung cancer prognosis | #49 | 21 |
| fiona castle | #3 | 20 |
| can you live with one lung | #42 | 19 |
| stage four lung cancer | #34 | 19 |
| lung cancer symptoms back pain | #3 | 19 |
| dennis waterman cause of death | #2 | 18 |
| does a chest x ray show cancer | #10 | 18 |
| twinge | #27 | 17 |
| deborah montague | #4 | 17 |
| stage 3 cancer | #28 | 16 |
| great north run | #7 | 15 |
| diamond gap finger test | #1 | 15 |
| diamond gap | #1 | 15 |
| lung cancer mid back pain | #4 | 14 |
| lung cancer in the bones | #5 | 12 |
The site's top keywords in Google (US), with the visits each one is estimated to bring per month.
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
- 72% phone
- 25% desktop
- 3% tablet
United Kingdom
United States
India
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.65 / 10 · ranked #141,231 of all domains
267 referring domains · OpenPageRank
Search traffic
1,600 est. monthly organic visits (US)
1,881 keywords in Google's top 30
Core Web Vitals
| LCP | 1.3 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English (United Kingdom)
- Weight: 1.7 MB · 49 requests
- WordPress theme: twentytwentyfive (child: roy-castle-lung-cancer-foundation) · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Roy Castle Lung Cancer Foundation
- Founded: 1990
- Country: United Kingdom
- Profiles: Facebook, X, Instagram
From the homepage's own structured data (Oct 2026) and Wikidata (CC0).
Infrastructure
- Registered Oct 1996 (30 years) via IONOS SE, renews Oct 2026
- Hosted on DigitalOcean (167.71.140.98)
- DNS: ui-global-dns.biz
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 2,039,839, 4 hosts
- Verified with: Brevo, Pinterest
DNS records as swept Nov 2026, certificate as seen Nov 2026, registration from the registry's RDAP service. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| roycastle.org | 30 |
| tb.roycastle.org | 20 |
| www.roycastle.org | 14 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Mautic Aug 2026
- detected Mautic Jun 2026
- dropped Site Kit Feb 2026
- dropped Twenty Twenty-Five Feb 2026
- detected Twitter Emoji (Twemoji) Dec 2025