What powers 
healthknowledge.org.uk?
Last seen Sep 2026 · 13 technologies across 13 categories
Advertising
Analytics
Caching
CDN
CMS
Cookie compliance
Databases
JavaScript libraries
PaaS
Performance
Programming languages
Security
Web servers
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| transversal study | #10 | 310 |
| sampling methods | #5 | 210 |
| pre-test probability | #1 | 200 |
| pre-test probability | #1 | 200 |
| reliability validity | #8 | 150 |
| cross sectional experiment | #15 | 140 |
| communicability | #8 | 110 |
| n distribution | #28 | 100 |
| political impact | #1 | 89 |
| what is parametric tests | #1 | 79 |
| define demography | #57 | 78 |
| reliability and validity | #13 | 58 |
| different types of sampling | #3 | 57 |
| cross sectional study | #60 | 57 |
| cross sectional study | #58 | 57 |
| cross sectional study | #34 | 57 |
| cross sectional research | #36 | 57 |
| cross sectional experiment | #59 | 57 |
| year of life lost | #2 | 52 |
| years of life lost | #2 | 52 |
| bias in epidemiology | #1 | 52 |
| difference between binomial distribution and normal distribution | #1 | 52 |
| epidemiology bias | #1 | 52 |
| life table | #18 | 49 |
| cereus bacteria | #65 | 47 |
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
Audience
- 64% desktop
- 34% phone
- 2% tablet
United Kingdom
India
Indonesia
United States
Australia
Mexico
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.42 / 10 · ranked #168,883 of all domains
189 referring domains · OpenPageRank
Search traffic
7,700 est. monthly organic visits (US)
6,262 keywords in Google's top 30
Core Web Vitals
| LCP | 1.2 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- CDN: Fastly
- Weight: 0.4 MB · 20 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Registered Sep 2001 (25 years) via Gandi, renews Sep 2027
- Hosted on Fastly (23.185.0.1, IPv6)
- DNS: Gandi
- Email: no MX record returned
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 58,931, 4 hosts
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026, registration from the registry's RDAP service. How the web is hosted
Full technology history →
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Recent changes
- dropped cdnjs Sep 2026
- dropped Cloudflare Sep 2026
- dropped Google Font API Sep 2026
- dropped jsDelivr Sep 2026
- dropped MathJax Sep 2026
- dropped New Relic Sep 2026
- detected Priority Hints Aug 2026
- dropped Hotjar Jun 2026
- detected Hotjar Apr 2026
- dropped Hotjar Mar 2026