What powers fourtwentea.com?
Last seen Jun 2026 · 21 technologies across 12 categories
Analytics
Google Analytics
since Apr 2023
CDN
Cloudflare
since Apr 2023
Ecommerce
Cart Functionality
since Apr 2023
Shopify
since Apr 2023
JavaScript frameworks
React
since Jun 2025
JavaScript libraries
Marketing automation
Klaviyo
since Apr 2023
Miscellaneous
Performance
Priority Hints
since Apr 2023
Reviews
Trustpilot
since Apr 2023
Security
HSTS
since Apr 2023
UI frameworks
Widgets
Outbrain
since Apr 2023
Audience
United Kingdom
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.11 / 10 · ranked #87,927,557 of all domains
0 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 2.7 MB · 317 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- dropped Tailwind CSS Jan 2026
- detected styled-components Sep 2025
- detected Klaviyo Customer Hub Aug 2025
- detected Tailwind CSS Aug 2025