What powers 
h2g2.com?
Last seen Sep 2026 · 17 technologies across 13 categories
Advertising
Analytics
CDN
Cookie compliance
Miscellaneous
Operating systems
Performance
Programming languages
Rich text editors
Security
Tag managers
UI frameworks
Webmail
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 checked
- ai.txt not checked
- Oct 2026 bytespider removed from robots.txt
- Oct 2026 amazonbot removed from robots.txt
- Oct 2026 applebot-extended removed from robots.txt
- Oct 2026 meta-externalagent removed from robots.txt
- Oct 2026 ccbot removed from robots.txt
- Oct 2026 claudebot removed from robots.txt
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| carry on movies cast | #37 | 770 |
| carry on franchise | #90 | 85 |
| carry on films | #89 | 85 |
| carry on films | #39 | 85 |
| h2g2 | #2 | 63 |
| papal names | #51 | 38 |
| papal names | #51 | 38 |
| dawn french actress | #37 | 38 |
| sir arthur conan doyle the lost world tv show | #14 | 25 |
| jeremy brett | #47 | 25 |
| dicynodont | #15 | 22 |
| who wrote house of the rising sun | #60 | 21 |
| clash of the titans 1981 cast | #36 | 21 |
| mxc most extreme | #95 | 21 |
| pink panther movie actress | #76 | 21 |
| 1981 clash of the titans cast | #34 | 21 |
| dicynodonts | #14 | 19 |
| clash of the titans cast 1981 | #36 | 16 |
| ammonia and bleach | #84 | 16 |
| battle of el alamein | #66 | 14 |
| thorn character | #44 | 14 |
| grace in latin | #5 | 14 |
| how big are the pyramids | #83 | 14 |
| how high are the pyramids | #41 | 14 |
| essex shipwreck | #49 | 14 |
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
- 36% phone
United Kingdom
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.27 / 10 · ranked #222,153 of all domains
325 referring domains · OpenPageRank
Search traffic
2,600 est. monthly organic visits (US)
3,126 keywords in Google's top 30
Core Web Vitals
| LCP | 1.7 s |
| INP | 200 ms |
| CLS | 0 |
| TTFB | 1300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- CDN: Cloudflare
- Weight: 0.8 MB · 27 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- h2g2
- Founded: 1999
From Wikidata (CC0).
Infrastructure
- Hosted on Cloudflare (104.26.10.162, IPv6)
- DNS: Cloudflare DNS
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC monitor only
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Dec 2026
- Common Crawl link graph: rank 51,643, 5 hosts
- Verified with: Google, Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| h2g2.com | 15 |
| www.h2g2.com | 12 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Microsoft Clarity Jun 2026