What powers tendertracker.co.uk?
Last seen Oct 2026 · 15 technologies across 9 categories
Analytics
CDN
Development
JavaScript frameworks
Miscellaneous
Performance
Programming languages
Security
UI frameworks
AI Crawlers
Restricts 4 of 33 AI crawlers we track by name in its robots.txt. Checked Oct 2026.
Training crawlers
- ClaudeBot Restricted
- GPTBot Restricted
Search and AI assistants
- PerplexityBot Restricted
User-request fetchers
- ChatGPT-User Restricted
The other 29 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt found
- ai.txt not found
AI Crawlers
4 of 33 AI crawlers restricted
Standards: llms.txt
Audience
United Kingdom
Where the site's Chrome visitors come from, largest estimated audience first.
Core Web Vitals
| LCP | 1.2 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 0.5 MB · 42 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- TenderTracker UK
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Cloudflare (104.21.45.29, IPv6)
- DNS: Cloudflare DNS
- Email: Cloudflare Email Routing
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Dec 2026
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- dropped Google Analytics Oct 2026
- detected Umami Oct 2026