What powers 
greenwichheritage.org?
Last seen Oct 2026 · 26 technologies across 15 categories
Analytics
CMS
Databases
Font scripts
JavaScript libraries
Maps
Miscellaneous
Performance
Programming languages
Security
SEO
UI frameworks
Web servers
Webmail
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 not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 71% phone
- 29% desktop
United Kingdom
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.45 / 10 · ranked #949,442 of all domains
59 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English (United Kingdom)
- Weight: 6.8 MB · 54 requests
- WordPress theme: rght · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Royal Greenwich Heritage Trust (Greenwich Heritage Centre on Wikidata)
- Country: United Kingdom
From the homepage's own structured data (Oct 2026) and Wikidata (CC0).
Infrastructure
- Hosted on SUB6 Sub 6 Limited (62.182.20.25)
- DNS: Hover
- Email: Microsoft 365
- Email security: SPF (hard fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 617,043, 3 hosts
- Verified with: Microsoft 365
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Full technology history →
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Recent changes
- detected Bootstrap Jul 2026
- detected core-js Jul 2026
- detected Dropzone Jul 2026
- detected Formidable Form Jul 2026
- detected Google Analytics Jul 2026
- detected Google Font API Jul 2026
- detected Google Maps Jul 2026
- detected HTTP/3 Jul 2026
- detected jQuery Jul 2026
- detected jQuery Migrate Jul 2026
- detected lit-element Jul 2026
- detected lit-html Jul 2026
- detected LiteSpeed Jul 2026
- detected Microsoft 365 Jul 2026
- detected Moove GDPR Consent Jul 2026
- detected MySQL Jul 2026
- detected Open Graph Jul 2026
- detected PHP Jul 2026
- detected Priority Hints Jul 2026
- detected reCAPTCHA Jul 2026
- detected RSS Jul 2026
- detected Swiper Jul 2026
- detected Twitter Emoji (Twemoji) Jul 2026
- detected Typekit Jul 2026
- detected WordPress Jul 2026
- detected Yoast SEO Jul 2026
- detected Twitter Emoji (Twemoji) Dec 2025