What powers hvacfilters.com?
Last seen Sep 2026 · 22 technologies across 13 categories
Analytics
CDN
Cookie compliance
Ecommerce
Font scripts
IaaS
JavaScript frameworks
JavaScript libraries
Miscellaneous
Security
Tag managers
UI frameworks
Webmail
AI Crawlers
Restricts 23 of 33 AI crawlers we track by name in its robots.txt. Checked Sep 2026.
Training crawlers
- AI2Bot Restricted
- Applebot-Extended Restricted
- Bytespider Restricted
- CCBot Restricted
- ClaudeBot Restricted
- cohere-training-data-crawler Restricted
- Diffbot Restricted
- FacebookBot Restricted
- Google-Extended Restricted
- GoogleOther Restricted
- GPTBot Restricted
- ImagesiftBot Restricted
- img2dataset Restricted
- meta-externalagent Restricted
- Webzio-Extended Restricted
Search and AI assistants
- Amazonbot Restricted
- Applebot Restricted
- OAI-SearchBot Restricted
- PerplexityBot Restricted
- PetalBot Restricted
- YouBot Restricted
User-request fetchers
- ChatGPT-User Restricted
- meta-externalfetcher Restricted
The other 10 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
23 of 33 AI crawlers restricted
Audience
- 54% phone
- 46% desktop
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
0.92 / 10 · ranked #14,278,729 of all domains
7 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- CDN: Cloudflare, Google
- Weight: 22.6 MB · 135 requests
- Structured data: JSON-LD, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- HVAC Filters
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on BIGCOMMERCE (192.200.160.248)
- Email: Google Workspace
- Email security: no SPF record, no DMARC record
- SSL: DigiCert, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 18,721,192, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted