What powers pre-op.org?
Last seen Jun 2026 · 21 technologies across 13 categories
Analytics
Google Analytics
since Aug 2022
Snowplow Analytics
since Aug 2022
CDN
Cloudflare
since May 2025
CMS
Duda
since Aug 2022
MemberStack
since Aug 2022
Ecommerce
Cart Functionality
since Aug 2022
JavaScript frameworks
React
since Jan 2026
JavaScript libraries
MobX
since Jan 2023
Marketing automation
MailChimp
since Aug 2022
Miscellaneous
Open Graph
since Sep 2022
RSS
since Dec 2022
Payment processors
Performance
Priority Hints
since Aug 2022
Photo galleries
PhotoSwipe
since Apr 2025
Security
Cloudflare Bot Management
since May 2025
HSTS
since Sep 2022
Web servers
Nginx
since Aug 2022
Audience
United Kingdom
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.52 / 10 · ranked #6,330,008 of all domains
8 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- Weight: 3.6 MB · 141 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- dropped Google Tag Manager May 2026
- detected React Jan 2026
- dropped Webpack Jan 2026