What powers sinatraffh.com?
Last seen Sep 2026 · 11 technologies across 9 categories
A/B Testing
Google Optimize
since Jun 2021
Optimizely
since Mar 2023
Analytics
CDN
Unpkg
since Jul 2021
Font scripts
Google Font API
since Jan 2019
JavaScript libraries
Security
HSTS
since Dec 2024
Tag managers
Google Tag Manager
since Feb 2021
Web servers
Nginx
since Jan 2019
Webmail
Microsoft 365
since Jan 2024
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
- 70% phone
- 30% desktop
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.86 / 10 · ranked #4,032,838 of all domains
24 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English (United States)
- CDN: Cloudflare
- Weight: 2.1 MB · 66 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Cloudflare (162.159.143.37)
- DNS: stabletransit.com
- Email: Microsoft 365
- Email security: SPF (hard fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 13,076,232, 2 hosts
- Verified with: Microsoft 365
DNS records as swept Oct 2026, certificate as seen Sep 2026. How the web is hosted