What powers jrcalc.org.uk?
Last seen Jun 2026 · 24 technologies across 16 categories
Analytics
Gauges
since Jan 2025
Google Analytics
since Feb 2019
CDN
Unpkg
since Aug 2024
CMS
WordPress
since Feb 2019
Cookie compliance
Moove GDPR Consent
since Aug 2024
Databases
MySQL
since Feb 2019
Font scripts
Twitter Emoji (Twemoji)
since Feb 2019
Hosting
JavaScript libraries
Miscellaneous
PaaS
wp.cloud
since Jan 2025
Page builders
WordPress Site Editor
since Aug 2024
Performance
Priority Hints
since Aug 2024
Programming languages
PHP
since Feb 2019
Security
HSTS
since Jan 2025
Web servers
Nginx
since Apr 2020
WordPress plugins
TablePress
since Feb 2022
Audience
- 69% desktop
- 31% phone
United Kingdom
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.31 / 10 · ranked #2,854,568 of all domains
16 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.2 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 1500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English (United Kingdom)
- Weight: 1.9 MB · 46 requests
- WordPress theme: gomo-main · all themes
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| jrcalc.org.uk | 22 |
| www.jrcalc.org.uk | 19 |
Full technology history →
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Recent changes
- detected Twitter Emoji (Twemoji) Dec 2025