What powers calculator.co.uk?
Last seen Jun 2026 · 32 technologies across 15 categories
Analytics
Cloudflare Browser Insights
since Nov 2025
Caching
Redis Object Cache
since Jun 2026
W3 Total Cache
since Jun 2026
CDN
CMS
Databases
Font scripts
Google Font API
since May 2019
Twitter Emoji (Twemoji)
since May 2019
Hosting panels
Plesk
since Nov 2024
JavaScript libraries
OWL Carousel
since May 2019
Miscellaneous
Performance
Priority Hints
since Jun 2026
Programming languages
PHP
since May 2019
Security
Really Simple SSL & Security
since Apr 2024
UI frameworks
WordPress plugins
Contact Form 7
since Feb 2022
Litespeed Cache
since Nov 2024
RankMath SEO
since Oct 2024
Shortcodes Ultimate
since Jun 2026
WordPress themes
Twenty Seventeen
since Feb 2022
Twenty Twenty-Five
since Jun 2026
Audience
- 50% desktop
- 47% phone
- 4% tablet
United Kingdom
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.92 / 10 · ranked #1,733,994 of all domains
36 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English (United States)
- CDN: Cloudflare
- Weight: 0.6 MB · 30 requests
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected jQuery UI Jun 2026
- detected Priority Hints Jun 2026
- detected Redis Jun 2026
- detected Redis Object Cache Jun 2026
- detected Shortcodes Ultimate Jun 2026
- detected Twenty Twenty-Five Jun 2026
- detected Twitter Emoji (Twemoji) Jun 2026
- detected W3 Total Cache Jun 2026
- detected Yoast SEO Jun 2026
- detected Cloudflare Browser Insights Nov 2025