What powers southseacastle.co.uk?
Last seen Sep 2026 · 21 technologies across 13 categories
Analytics
Google Analytics
since May 2019
CDN
CMS
WordPress
since Sep 2020
Cookie compliance
Databases
MySQL
since Sep 2020
Font scripts
JavaScript libraries
Slick
since Sep 2020
Miscellaneous
RSS
since Dec 2022
PaaS
Cloudways
since Nov 2022
SiteGround
since Nov 2024
Programming languages
PHP
since Sep 2020
UI frameworks
Web servers
Nginx
since Jun 2021
WordPress plugins
AI Crawlers
robots.txt could not be read at the last check (Sep 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
AI Crawlers
Policy unknown
Audience
- 85% phone
- 15% desktop
United Kingdom
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.99 / 10 · ranked #1,607,360 of all domains
43 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| CLS | 0.05 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English (United States)
- Weight: 1.8 MB · 59 requests
- WordPress theme: portsmouth-museums-theme · all themes
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Southsea Castle
- Founded: 1543
- Country: United Kingdom
From Wikidata (CC0).
Infrastructure
- Hosted on DigitalOcean (46.101.3.187)
- Email: no MX record returned
- Email security: DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 2,325,644, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Priority Hints Jul 2026
- detected Priority Hints Feb 2026
- detected Twitter Emoji (Twemoji) Feb 2026
- dropped Google Maps Nov 2025