What powers 
sdh3.com?
Last seen Aug 2026 · 8 technologies across 6 categories
CDN
Google Hosted Libraries
since Aug 2022
JavaScript libraries
Maps
Google Maps
since Oct 2021
Miscellaneous
PWA
since Aug 2022
Security
HSTS
since Sep 2022
Web servers
Apache HTTP Server
since Oct 2021
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.60 / 10 · ranked #817,157 of all domains
203 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 250 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Weight: 3.5 MB · 43 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on ASACENET1 (68.171.221.221)
- DNS: acenet.us
- Email: sdh3.com
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, wildcard, expires Dec 2026
- Common Crawl link graph: rank 2,293,919, 4 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| sdh3.com | 8 |
| www.sdh3.com | 8 |
Full technology history →
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