What powers 
psi-web.org?
Last seen Oct 2026 · 31 technologies across 20 categories
Analytics
Google Analytics
since Dec 2022
CDN
Cloudflare
since Jun 2025
Unpkg
since Aug 2022
CMS
Databases
MySQL
since Aug 2022
DMS
Ecommerce
Font scripts
Google Font API
since Dec 2022
Twitter Emoji (Twemoji)
since Dec 2022
Hosting
Bluehost
since Aug 2022
JavaScript graphics
JavaScript libraries
Miscellaneous
Mobile frameworks
Page builders
WordPress Site Editor
since Oct 2026
Performance
Priority Hints
since Sep 2023
Programming languages
PHP
since Aug 2022
Security
Cloudflare Bot Management
since Jun 2025
UI frameworks
Bootstrap
since May 2023
Video players
Web servers
WordPress plugins
Jetpack
since Sep 2022
The Events Calendar
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 Nov 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Nov 2026 * removed from robots.txt
- Oct 2026 * added to robots.txt
- Oct 2026 * removed from robots.txt
- Oct 2026 * added to robots.txt
- Sep 2026 * removed from robots.txt
- Aug 2026 * added to robots.txt
AI Crawlers
No AI crawlers blocked
Open Page Rank
4.09 / 10 · ranked #511,733 of all domains
89 referring domains · OpenPageRank
Page
- Language: English
- Weight: 1.6 MB · 29 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Global Performance Studies
From Wikidata (CC0).
Infrastructure
- Registered Sep 2002 (24 years) via Bluehost Inc., renews Sep 2027
- Hosted on Newfold Digital (Bluehost, HostGator) (74.220.208.74)
- DNS: Bluehost
- Email: psi-web.org
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 621,843, 3 hosts
DNS records as swept Nov 2026, certificate as seen Nov 2026, registration from the registry's RDAP service. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.psi-web.org | 24 |
| gps.psi-web.org | 12 |
| psi32.psi-web.org | 5 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Preact Oct 2026
- detected Twitter Emoji (Twemoji) Oct 2026
- detected WordPress Site Editor Oct 2026
- dropped core-js Jul 2026
- detected core-js Apr 2026
- detected Jetpack Apr 2026
- detected WooCommerce Apr 2026
- dropped Cloudflare Mar 2026
- dropped Cloudflare Bot Management Mar 2026