What powers hvactrain.com?
Last seen Aug 2026 · 38 technologies across 21 categories
Analytics
Cloudflare Browser Insights
since Apr 2026
Google Analytics
since Jul 2022
Caching
Varnish
since Apr 2026
CDN
Cloudflare
since Apr 2026
Fastly
since Apr 2026
CMS
Cookie compliance
CookieYes
since Apr 2026
Databases
Ecommerce
Cart Functionality
since Apr 2026
Font scripts
JavaScript libraries
Miscellaneous
PaaS
Pantheon
since Apr 2026
Page builders
WordPress Block Editor
since Apr 2026
Performance
Priority Hints
since Apr 2026
Programming languages
PHP
since Apr 2026
Reviews
Trustindex
since Apr 2026
Security
Tag managers
Google Tag Manager
since Jul 2022
Web servers
Nginx
since Apr 2026
Webmail
Google Workspace
since Oct 2022
WordPress plugins
GenerateBlocks
since Apr 2026
The Events Calendar
since Apr 2026
WP Featherlight
since Apr 2026
WPForms
since Apr 2026
WordPress themes
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Aug 2026.
- robots.txt found
- llms.txt found
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.82 / 10 · ranked #4,227,921 of all domains
16 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.8 s |
| INP | 75 ms |
| CLS | 0.1 |
| TTFB | 2100 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English (United States)
- CDN: Cloudflare, Fastly
- Weight: 10.2 MB · 192 requests
- WordPress theme: generatepress (child: ec_digital_base) · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Aug 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected AOS Jul 2026
- detected Cart Functionality Jul 2026
- detected Cloudflare Jul 2026
- detected Cloudflare Browser Insights Jul 2026
- detected CookieYes Jul 2026
- detected Fastly Jul 2026
- detected Font Awesome Jul 2026
- detected GenerateBlocks Jul 2026
- detected GeneratePress Jul 2026
- detected GeneratePress GP Premium Jul 2026
- detected Google Analytics Jul 2026
- detected Google Font API Jul 2026
- detected Google Tag Manager Jul 2026
- detected Google Workspace Jul 2026
- detected HSTS Jul 2026
- detected HTTP/3 Jul 2026
- detected jQuery Jul 2026
- detected jQuery Migrate Jul 2026
- detected MariaDB Jul 2026
- detected MySQL Jul 2026
- detected Nginx Jul 2026
- detected Open Graph Jul 2026
- detected Pantheon Jul 2026
- detected PHP Jul 2026
- detected Priority Hints Jul 2026
- detected reCAPTCHA Jul 2026
- detected RSS Jul 2026
- detected Slick Jul 2026
- detected The Events Calendar Jul 2026
- detected Trustindex Jul 2026
- detected Twitter Emoji (Twemoji) Jul 2026
- detected Varnish Jul 2026
- detected WooCommerce Jul 2026
- detected WordPress Jul 2026
- detected WordPress Block Editor Jul 2026
- detected WP Featherlight Jul 2026
- detected WPForms Jul 2026
- detected Yoast SEO Jul 2026
- dropped Bootstrap May 2026
- dropped Google Maps May 2026
- dropped IIS May 2026
- dropped jQuery CDN May 2026
- dropped jQuery UI May 2026
- dropped Microsoft ASP.NET May 2026
- dropped Windows Server May 2026
- detected AOS Apr 2026
- detected Cart Functionality Apr 2026
- detected Cloudflare Apr 2026
- detected Cloudflare Browser Insights Apr 2026
- detected CookieYes Apr 2026