What powers usbf.org?
Last seen Aug 2026 · 8 technologies across 8 categories
CMS
Joomla
since Dec 2024
JavaScript Frameworks
Miscellaneous
RSS
since Dec 2022
Programming languages
PHP
since Dec 2024
Search engines
Awesomplete
since Dec 2024
Web Frameworks
Bootstrap
since Jun 2016
Web servers
Apache HTTP Server
since Jul 2019
Webmail
Google Workspace
since Aug 2022
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 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
2.56 / 10 · ranked #2,388,059 of all domains
20 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English (United Kingdom)
- Weight: 21.3 MB · 59 requests
- Structured data: Microdata
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- United States Bridge Federation
- Founded: 2001
- Country: United States
From Wikidata (CC0).
Infrastructure
- Hosted on PRIVATESYSTEMS (207.7.92.169)
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, wildcard, expires Nov 2026
- Common Crawl link graph: rank 963,027, 3 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| usbf.org | 8 |
| www.usbf.org | 8 |