What powers johnwarner.herts.sch.uk?
Last seen Jun 2026 · 21 technologies across 10 categories
Analytics
Google Analytics
since Jan 2019
CDN
Cloudflare
since Apr 2025
Google Hosted Libraries
since Feb 2022
Sendgrid
since Aug 2022
Font scripts
Google Font API
since Jan 2019
JavaScript libraries
Miscellaneous
Programming languages
PHP
since Sep 2021
Security
HSTS
since Mar 2023
Web servers
Nginx
since Sep 2020
Webmail
Apple iCloud Mail
since Jan 2023
Microsoft 365
since Aug 2022
Audience
- 79% phone
- 21% desktop
United Kingdom
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.88 / 10 · ranked #3,921,662 of all domains
14 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| CLS | 0.05 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- Weight: 2.3 MB · 55 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.johnwarner.herts.sch.uk | 18 |
| johnwarner.herts.sch.uk | 9 |