What powers 
sepm.org?
Last seen Sep 2026 · 17 technologies across 11 categories
Accessibility
UserWay
since Jun 2021
Analytics
Google Analytics
since Feb 2020
Authentication
Facebook Login
since Jul 2021
CDN
Font scripts
Google Font API
since Apr 2021
JavaScript libraries
Miscellaneous
Open Graph
since Aug 2023
PWA
since Aug 2022
Operating systems
Windows Server
since Feb 2020
Web frameworks
Web servers
Webmail
Microsoft 365
since Aug 2022
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 76% desktop
- 24% phone
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.74 / 10 · ranked #283,376 of all domains
120 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.4 s |
| INP | 25 ms |
| CLS | 0.4 |
| TTFB | 1100 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- Weight: 25.6 MB · 63 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Society for Sedimentary Geology
- Sector: higher education
- Country: United States
From Wikidata (CC0).
Infrastructure
- Registered Mar 1998 (28 years) via Network Solutions, LLC, renews Mar 2034
- Hosted on TCIS (65.38.18.221)
- DNS: tulsaconnect.com
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC quarantine
- SSL: DigiCert, RSA 2048, wildcard, expires Nov 2026
- Common Crawl link graph: rank 539,940, 5 hosts
- Verified with: Google, Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026, registration from the registry's RDAP service. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| sepm.org | 17 |
| www.sepm.org | 17 |