What powers sealmaster.co.uk?
Last seen Sep 2026 · 31 technologies across 16 categories
Analytics
CDN
CMS
Databases
Font scripts
JavaScript libraries
Miscellaneous
Performance
Programming languages
Security
Tag managers
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 Sep 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Audience
- 65% desktop
- 35% phone
United Kingdom
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.34 / 10 · ranked #8,135,491 of all domains
7 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| CLS | 0 |
| TTFB | 1300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English (United Kingdom)
- CDN: Cloudflare
- Weight: 2.8 MB · 123 requests
- WordPress theme: sealmaster · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Sealmaster of Cambridge
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on Cloudflare (104.21.55.147, IPv6)
- Email: Microsoft 365
- Email security: no SPF record, no DMARC record
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Oct 2026
- Common Crawl link graph: rank 29,385,623, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| sealmaster.co.uk | 29 |
| www.sealmaster.co.uk | 13 |
Full technology history →
Report an incorrect detection
Recent changes
- detected ResponsiveVoice Apr 2026
- detected Cloudflare Browser Insights Nov 2025
- dropped W3 Total Cache Nov 2025