What powers hvacrschool.com?
Last seen Jun 2026 · 26 technologies across 15 categories
Analytics
Google Analytics
since Jan 2019
CDN
CMS
WordPress
since Jan 2019
Databases
MySQL
since Jan 2019
Font scripts
Google Font API
since Jan 2019
JavaScript libraries
Marketing automation
MailChimp
since Apr 2021
Miscellaneous
Open Graph
since Sep 2022
PaaS
Amazon Web Services
since Oct 2024
Programming languages
PHP
since Jan 2019
SEO
UI frameworks
Bootstrap
since Aug 2025
Web servers
Webmail
Apple iCloud Mail
since Jun 2025
Google Workspace
since Aug 2022
WordPress plugins
Audience
- 63% phone
- 35% desktop
- 2% tablet
Algeria
United States
India
United Kingdom
Canada
Australia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.18 / 10 · ranked #463,150 of all domains
109 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.1 s |
| INP | 75 ms |
| CLS | 0.05 |
| TTFB | 1200 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English (United Kingdom)
- Weight: 5.4 MB · 102 requests
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.hvacrschool.com | 25 |
| hvacrschool.com | 22 |
Full technology history →
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Recent changes
- detected Bootstrap Aug 2025
- detected WordPress Super Cache Aug 2025
- detected Yoast SEO Premium Aug 2025