What powers harpervoyagerbooks.co.uk?
Last seen Jun 2026 · 27 technologies across 17 categories
Analytics
Google Analytics
since Mar 2020
CDN
CMS
WordPress
since Mar 2020
Databases
MySQL
since Mar 2020
Font scripts
Google Font API
since Mar 2020
Twitter Emoji (Twemoji)
since Mar 2020
Hosting
WordPress Multisite
since Jul 2023
JavaScript libraries
Marketing automation
Sailthru
since May 2021
Miscellaneous
Page builders
WordPress Block Editor
since Jul 2024
Performance
Priority Hints
since Aug 2025
Programming languages
PHP
since Mar 2020
RUM
New Relic
since Mar 2020
Security
HSTS
since Jul 2024
Tag managers
Google Tag Manager
since Mar 2020
WordPress plugins
WordPress themes
Audience
- 73% phone
- 27% desktop
United Kingdom
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.47 / 10 · ranked #2,548,867 of all domains
27 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.3 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 1500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English (United Kingdom)
- CDN: Sucuri Firewall
- Weight: 2.2 MB · 98 requests
- WordPress theme: astra (child: harpercollins-astra) · all themes
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- detected Twitter Emoji (Twemoji) Feb 2026
- detected Astra Aug 2025
- detected Google Analytics Aug 2025
- detected Priority Hints Aug 2025