What powers 
llyfrau.cymru?
Last seen Sep 2026 · 22 technologies across 16 categories
Analytics
CMS
Databases
Font scripts
Hosting
JavaScript libraries
Miscellaneous
Mobile frameworks
Operating systems
Page builders
Performance
Programming languages
Video players
Web servers
Webmail
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
4.05 / 10 · ranked #533,312 of all domains
56 referring domains · OpenPageRank
Core Web Vitals
| LCP | 4.9 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 3600 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Welsh (United Kingdom)
- Weight: 2.5 MB · 58 requests
- WordPress theme: divi (child: divi-cyngor-llyfrau) · all themes
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Books Council of Wales
- Founded: 1961
- Country: United Kingdom
From Wikidata (CC0).
Infrastructure
- Hosted on GD-EMEA-DC-LD5 (79.170.44.83)
- DNS: GoDaddy DNS
- Email: Barracuda
- Email security: SPF (hard fail), DMARC monitor only
- SSL: PerfectSSL, RSA 4096, expires Mar 2027
- Common Crawl link graph: rank 695,767, 4 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| llyfrau.cymru | 20 |
| siop.llyfrau.cymru | 4 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Google Analytics May 2026
- detected Site Kit May 2026
- dropped CookieYes Apr 2026
- dropped core-js Apr 2026
- dropped Facebook Pixel Apr 2026
- dropped Google Analytics Apr 2026
- dropped Google Tag Manager Apr 2026
- dropped LazySizes Apr 2026
- dropped Nginx Apr 2026
- dropped Open Graph Apr 2026
- detected Font Awesome Mar 2026
- dropped HSTS Mar 2026
- detected jQuery Mobile Mar 2026
- detected Twitter Emoji (Twemoji) Mar 2026
- detected Typekit Mar 2026
- dropped TinyMCE Jan 2026
- detected HSTS Dec 2025
- detected TinyMCE Nov 2025
- dropped FingerprintJS Oct 2025
- dropped HSTS Oct 2025