What powers testfast.uk?
Last seen Aug 2026 · 22 technologies across 12 categories
Affiliate programs
FirstPromoter
since Jul 2026
Analytics
Cloudflare Browser Insights
since Mar 2026
PostHog
since Mar 2026
CDN
Cloudflare
since Mar 2026
Development
Turbopack
since Mar 2026
Mailgun
since Mar 2026
JavaScript frameworks
JavaScript libraries
Miscellaneous
Performance
Priority Hints
since Mar 2026
Programming languages
Node.js
since Mar 2026
Security
HSTS
since Mar 2026
UI frameworks
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Aug 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 58% phone
- 42% desktop
United Kingdom
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
0.19 / 10 · ranked #79,350,730 of all domains
0 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 150 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 4.5 MB · 63 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Subdomains
| Host | Techs |
|---|---|
| testfast.uk | 22 |
| app.testfast.uk | 9 |
Full technology history →
Report an incorrect detection
Recent changes
- detected FirstPromoter Jul 2026
- detected Lenis Jun 2026