What powers open4u.co.uk?
Last seen Aug 2026 · 12 technologies across 9 categories
Advertising
CDN
Cookie compliance
Font scripts
JavaScript libraries
Programming languages
Security
Tag managers
Web servers
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
3.82 / 10 · ranked #704,363 of all domains
38 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 175 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- Weight: 1.4 MB · 85 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on ITL-BG (91.215.155.10)
- Email: no MX record returned
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 8,619,168, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- detected Funding Choices Jul 2026
- detected Google AdSense Jul 2026
- detected Google Font API Jul 2026
- detected Google Tag Manager Jul 2026
- dropped Funding Choices May 2026
- dropped Google AdSense May 2026
- dropped Google Font API May 2026
- dropped Google Tag Manager May 2026
- detected Google Font API Nov 2025