What powers sf2g.com?
Last seen Oct 2026 · 5 technologies across 5 categories
Analytics
Google Analytics
since Jul 2019
Caching
Varnish
since May 2026
CDN
Fastly
since May 2026
PaaS
GitHub Pages
since May 2026
Webmail
Google Workspace
since Aug 2022
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Oct 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.54 / 10 · ranked #2,416,386 of all domains
15 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- CDN: Fastly
- Weight: 0.6 MB · 19 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Fastly (185.199.108.153, IPv6)
- DNS: directnic.com
- Email: Google Workspace
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 2,715,356, 3 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- dropped Apache HTTP Server Jul 2026