What powers philsci.org?
Last seen Aug 2026 · 25 technologies across 16 categories
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since Jan 2022
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Google Analytics
since Jan 2019
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since Jan 2022
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since Jan 2022
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Joomla
since Jan 2019
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since Jan 2022
Google Font API
since Sep 2020
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JavaScript libraries
Maps
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since Jan 2019
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since Dec 2022
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since Jan 2021
UI frameworks
Bootstrap
since Jan 2019
Web servers
Apache HTTP Server
since Jan 2019
Webmail
Google Workspace
since Aug 2022
Widgets
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
4.83 / 10 · ranked #263,490 of all domains
135 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- Weight: 2.8 MB · 59 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Philosophy of Science Association
- Founded: 1933
- Sector: higher education
- Country: United States
From Wikidata (CC0).
Infrastructure
- Hosted on Liquid Web (67.43.3.124)
- DNS: viethwebhosting.com
- Email: Google Workspace
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, wildcard, expires Dec 2026
- Common Crawl link graph: rank 51,211, 11 hosts
- Verified with: Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| psa2020.philsci.org | 17 |
| psa2018.philsci.org | 13 |
| mms.philsci.org | 12 |
| philsci.org | 12 |
| www.philsci.org | 12 |