What powers costack.uk?
Last seen Jun 2026 · 33 technologies across 16 categories
Affiliate programs
Tradedoubler
since Jun 2026
Analytics
Google Analytics
since Nov 2023
Microsoft Clarity
since Jun 2026
Cart abandonment
OptiMonk
since Nov 2025
CDN
Cloudflare
since Nov 2023
Ecommerce
Cart Functionality
since Nov 2023
Shopify
since Nov 2023
Hosting
One.com
since Nov 2023
JavaScript frameworks
Backbone.js
since May 2025
JavaScript libraries
Live chat
Shopify Chat
since Nov 2023
Marketing automation
Klaviyo
since Feb 2024
Miscellaneous
HTTP/3
since Nov 2023
Open Graph
since Nov 2023
Payment processors
American Express
since Nov 2023
Apple Pay
since Nov 2023
Google Pay
since Nov 2023
Klarna Checkout
since Jul 2025
Mastercard
since Nov 2023
PayPal
since Nov 2023
Shop Pay
since Nov 2023
Visa
since Nov 2023
Performance
Priority Hints
since Nov 2023
Reviews
Trustpilot
since Apr 2024
Security
UI frameworks
Audience
- 68% phone
- 32% desktop
United Kingdom
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.48 / 10 · ranked #25,917,256 of all domains
2 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 100 ms |
| CLS | 0.05 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 5.8 MB · 584 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 Google Hosted Libraries Jun 2026
- detected Microsoft Clarity Jun 2026
- dropped Omnisend Jun 2026
- dropped React Jun 2026
- dropped Sentry Jun 2026
- dropped styled-components Jun 2026
- detected Tradedoubler Jun 2026
- dropped YouTube Jun 2026
- detected hCaptcha May 2026
- detected Google Hosted Libraries Apr 2026
- detected YouTube Apr 2026
- detected Bootstrap Mar 2026
- detected Cloudflare Bot Management Mar 2026
- dropped Fast Bundle Feb 2026
- dropped Webpack Feb 2026
- detected Fast Bundle Dec 2025
- detected jQuery Nov 2025
- detected Omnisend Nov 2025
- detected OptiMonk Nov 2025
- detected Sentry Nov 2025
- dropped Google Hosted Libraries Oct 2025
- dropped jQuery Oct 2025
- dropped cdnjs Sep 2025