What powers hvacschool.org?
Last seen Jun 2026 · 22 technologies across 14 categories
Analytics
Cloudflare Browser Insights
since Nov 2025
Matomo Analytics
since Aug 2024
Caching
Redis Object Cache
since May 2026
CDN
Cloudflare
since Jan 2023
CMS
WordPress
since Jan 2019
Databases
Font scripts
JavaScript frameworks
GSAP
since Apr 2020
JavaScript libraries
Miscellaneous
Programming languages
PHP
since Jan 2019
Security
HSTS
since Nov 2022
Tag managers
Matomo Tag Manager
since Aug 2024
Widgets
WordPress plugins
Audience
United States
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.22 / 10 · ranked #1,237,146 of all domains
42 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.9 s |
| INP | 100 ms |
| CLS | 0.1 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English (United States)
- CDN: Cloudflare
- Weight: 1.7 MB · 43 requests
- WordPress theme: x (child: x-child) · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected Redis May 2026
- detected Redis Object Cache May 2026
- detected Twitter Emoji (Twemoji) Feb 2026
- detected Cloudflare Browser Insights Nov 2025