What powers 
sealy.co.uk?
Last seen Oct 2026 · 41 technologies across 25 categories
Advertising
Analytics
Caching
CMS
Cookie compliance
Databases
Ecommerce
Font scripts
JavaScript frameworks
JavaScript libraries
Maps
Miscellaneous
PaaS
Page builders
Performance
Programming languages
Reviews
Security
Tag managers
UI frameworks
Video players
Web frameworks
Web servers
Widgets
WordPress plugins
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 found
- ai.txt not found
- Aug 2026 llms.txt appeared
- Aug 2026 *: Restricted (was Allowed)
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
- 70% phone
- 23% desktop
- 8% tablet
United Kingdom
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.59 / 10 · ranked #820,298 of all domains
76 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.6 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English (United Kingdom)
- CDN: Google
- Weight: 37.5 MB · 97 requests
- WordPress theme: mw-sealy-2025 · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Sealy
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Google Cloud (34.142.46.47)
- DNS: digicertdns.com
- Email: Proofpoint Essentials
- Email security: SPF (hard fail), DMARC reject
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 2,233,923, 4 hosts
- Verified with: Atlassian, Google, KnowBe4, Microsoft 365, OpenAI, Sophos
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.sealy.co.uk | 30 |
| shop.sealy.co.uk | 18 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped FancyBox Oct 2026
- dropped LazySizes Oct 2026
- dropped PWA Oct 2026
- dropped React Oct 2026
- dropped Select2 Oct 2026
- dropped Smash Balloon Instagram Feed Oct 2026
- dropped Swiper Oct 2026
- dropped Yoast SEO Oct 2026
- detected Plyr Sep 2026
- detected RankMath SEO Sep 2026
- detected RSS Sep 2026
- detected Shopify Sep 2026
- detected Shopify Web Components Sep 2026
- detected Tailwind CSS Sep 2026
- detected Twitter Emoji (Twemoji) Sep 2026
- detected WordPress Site Editor Sep 2026
- detected CookieYes Apr 2026
- detected Microsoft Advertising Apr 2026