What powers calderbookshop.com?
Last seen May 2026 · 14 technologies across 8 categories
CMS
Backdrop
since Nov 2022
Font scripts
Google Font API
since Nov 2022
JavaScript frameworks
JavaScript libraries
core-js
since Nov 2022
Underscore.js
since Nov 2022
Miscellaneous
Open Graph
since Nov 2022
RSS
since Dec 2022
Page builders
Cargo
since Nov 2022
Programming languages
PHP
since Nov 2022
Webmail
Microsoft 365
since Nov 2022
Audience
United Kingdom
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.69 / 10 · ranked #5,034,945 of all domains
19 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.1 s |
| CLS | 0 |
| TTFB | 1000 ms |
Real user p75, Chrome UX Report, Jun 2026.