What powers 
phisigmapi.org?
Last seen Aug 2026 · 61 technologies across 29 categories
Analytics
Caching
CDN
CMS
Databases
Font scripts
Fundraising & donations
Hosting
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Live chat
Load balancers
Miscellaneous
Operating systems
PaaS
Page builders
Programming languages
RUM
Security
SEO
Tag managers
UI frameworks
Video players
Web frameworks
Web Servers
Wikis
WordPress plugins
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
- 72% desktop
- 28% phone
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.69 / 10 · ranked #766,541 of all domains
41 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.7 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 2000 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English (United States)
- Weight: 7.0 MB · 64 requests
- WordPress theme: phisigmapi · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
From the homepage's own structured data (Sep 2026) and Wikidata (CC0).
Infrastructure
- Hosted on Amazon Web Services (23.21.22.158)
- DNS: Amazon Route 53
- Email: Google Workspace
- Email security: no SPF record, no DMARC record
- SSL: Amazon Trust Services, RSA 2048, wildcard, expires Dec 2026
- Common Crawl link graph: rank 6,952,016, 7 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| core.phisigmapi.org | 29 |
| phisigmapi.org | 22 |
| www.phisigmapi.org | 20 |
| members.phisigmapi.org | 15 |
| learn.phisigmapi.org | 11 |
| wiki.phisigmapi.org | 10 |
| chapteradmin.phisigmapi.org | 9 |
Full technology history →
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Recent changes
- detected Twitter Emoji (Twemoji) Mar 2026
- detected W3 Total Cache Mar 2026