What powers 3r.org.uk?
Last seen Jun 2026 · 13 technologies across 10 categories
Amazon SES
since Oct 2023
Google Workspace
since Aug 2022
JavaScript libraries
Marketing automation
Sendinblue
since Jan 2023
Miscellaneous
PWA
since Aug 2022
PaaS
Amazon Web Services
since Oct 2023
Programming languages
Ruby
since Apr 2019
Rich text editors
CKEditor
since Apr 2019
Security
HSTS
since Sep 2022
UI frameworks
Web frameworks
Ruby on Rails
since Apr 2019
Audience
- 65% phone
- 33% desktop
- 2% tablet
United Kingdom
Ireland
France
Spain
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.43 / 10 · ranked #2,613,177 of all domains
4 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English (United Kingdom)
- Weight: 3.0 MB · 16 requests
Homepage as crawled by the HTTP Archive, Jul 2026.