What powers cswr.org?

Last seen Oct 2026 · 4 technologies across 4 categories

Operating systems

CentOS
since Jan 2020

Programming languages

PHP v7.4.0
since Jul 2019

Web server extensions

OpenSSL v1.0.2k
since Jul 2019

Web servers

Apache HTTP Server v2.4.6
since Jul 2019

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

See who blocks each AI crawler across the web

AI Crawlers

No robots.txt, all AI crawlers allowed

Full breakdown

Audience

  • 55% desktop
  • 45% phone
  • United States

Where the site's Chrome visitors come from, largest estimated audience first.

Open Page Rank

3.47 / 10 · ranked #923,819 of all domains

41 referring domains · OpenPageRank

Core Web Vitals

LCP1.7 s
INP250 ms
CLS0
TTFB700 ms

Real user p75, Chrome UX Report, Sep 2026.

Page

  • Weight: 7.9 MB · 31 requests

Homepage as crawled by the HTTP Archive, Oct 2026.

Organisation

  • Center for Severe Weather Research
  • Founded: 1998
  • Country: United States

From Wikidata (CC0).

Infrastructure

  • Hosted on CMCS (50.194.132.138)
  • DNS: Network Solutions
  • Email: Google Workspace
  • Email security: SPF (soft fail), no DMARC record
  • Common Crawl link graph: rank 695,016, 2 hosts
  • Verified with: Google, Microsoft 365

DNS records as swept Oct 2026. How the web is hosted

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