What powers letssign.co.uk?
Last seen Aug 2026 · 24 technologies across 13 categories
Analytics
CDN
CMS
Databases
Ecommerce
Font scripts
JavaScript libraries
Miscellaneous
Payment processors
Performance
Programming languages
Web servers
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 Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
United Kingdom
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.31 / 10 · ranked #8,485,577 of all domains
6 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.7 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 3400 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English (United Kingdom)
- Weight: 1.9 MB · 90 requests
- WordPress theme: flatsome (child: letssign) · all themes
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- DeafBooks
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on 20i (185.151.30.197, IPv6)
- Email: no MX record returned, SPF names 20i
- Email security: SPF (hard fail)
- SSL: Let's Encrypt, RSA 2048, wildcard, expires Nov 2026
- Common Crawl link graph: rank 17,953,923, 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
- detected Apache HTTP Server Jul 2026
- detected Cart Functionality Jul 2026
- detected core-js Jul 2026
- detected Elementor Jul 2026
- detected Google Analytics Jul 2026
- detected Google Font API Jul 2026
- detected jQuery Jul 2026
- detected jQuery UI Jul 2026
- detected MySQL Jul 2026
- detected Open Graph Jul 2026
- detected PHP Jul 2026
- detected prettyPhoto Jul 2026
- detected Priority Hints Jul 2026
- detected PWA Jul 2026
- detected RankMath SEO Jul 2026
- detected RSS Jul 2026
- detected StackPath Jul 2026
- detected Stripe Jul 2026
- detected Swiper Jul 2026
- detected Twitter Emoji (Twemoji) Jul 2026
- detected Underscore.js Jul 2026
- detected WooCommerce Jul 2026
- detected WooCommerce Stripe Payment Gateway Jul 2026
- detected WordPress Jul 2026
- detected jQuery UI Dec 2025
- detected Twitter Emoji (Twemoji) Dec 2025
- dropped jQuery UI Nov 2025