What powers sirhalleystewart.org.uk?
Last seen Sep 2026 · 18 technologies across 14 categories
CDN
Cloudflare
since Feb 2025
StackPath
since Feb 2025
CMS
WordPress
since Aug 2022
Databases
MySQL
since Aug 2022
Font scripts
Google Font API
since Feb 2025
JavaScript libraries
Miscellaneous
Open Graph
since Feb 2025
PWA
since Feb 2025
Page builders
Divi
since Feb 2025
Performance
Priority Hints
since Feb 2025
Programming languages
Security
Cloudflare Bot Management
since Feb 2025
Video players
Web servers
Apache HTTP Server
since Aug 2022
Webmail
Microsoft 365
since Aug 2022
WordPress plugins
Moove GDPR Consent
since Feb 2025
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 100% desktop
United Kingdom
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.17 / 10 · ranked #1,310,577 of all domains
40 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.1 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 1400 ms |
Real user p75, Chrome UX Report, Sep 2026.
Organisation
- Sir Halley Stewart Trust
- Founded: 1924
- Country: United Kingdom
From Wikidata (CC0).
Infrastructure
- Hosted on 20i (185.151.30.204, IPv6)
- DNS: stackdns.com
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, wildcard, expires Jan 2027
- Common Crawl link graph: rank 7,118,133
- Verified with: Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted