What powers 
pcri.org?
Last seen Sep 2026 · 29 technologies across 16 categories
Analytics
CDN
CMS
CRM
Ecommerce
Font scripts
JavaScript frameworks
JavaScript libraries
Load balancers
Miscellaneous
PaaS
Performance
Programming languages
Security
UI frameworks
Webmail
AI Crawlers
Restricts 16 of 33 AI crawlers we track by name in its robots.txt. Checked Oct 2026.
Training crawlers
- AI2Bot Restricted
- Applebot-Extended Restricted
- Bytespider Restricted
- CCBot Restricted
- ClaudeBot Restricted
- cohere-training-data-crawler Restricted
- FacebookBot Restricted
- Google-Extended Restricted
- GoogleOther Restricted
- GPTBot Restricted
- img2dataset Restricted
- meta-externalagent Restricted
- Webzio-Extended Restricted
Search and AI assistants
- Amazonbot Restricted
- DuckAssistBot Restricted
- YouBot Restricted
The other 17 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Sep 2026 gptbot added to robots.txt
- Sep 2026 bytespider added to robots.txt
- Sep 2026 claudebot added to robots.txt
- Sep 2026 ccbot added to robots.txt
- Sep 2026 cohere-ai added to robots.txt
- Sep 2026 ai2bot added to robots.txt
AI Crawlers
16 of 33 AI crawlers restricted
Audience
- 53% phone
- 47% desktop
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.14 / 10 · ranked #482,854 of all domains
63 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 75 ms |
| CLS | 0.05 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English (United States)
- Weight: 3.3 MB · 60 requests
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Prostate Cancer Research Institute
- Founded: 1996
- Country: United States
- Profiles: YouTube, Facebook, Instagram, X, LinkedIn, TikTok
From the homepage's own structured data (Sep 2026) and Wikidata (CC0).
Infrastructure
- Hosted on Squarespace (198.185.159.144)
- DNS: Network Solutions
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 6,906,864, 3 hosts
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| secure.pcri.org | 25 |
| pcri.org | 15 |
Full technology history →
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Recent changes
- dropped Angular Sep 2026
- detected Axios Sep 2026
- detected Bootstrap Sep 2026
- detected Moment Timezone Sep 2026
- detected Moment.js Sep 2026
- detected reCAPTCHA Sep 2026
- dropped TypeScript Sep 2026
- detected Vue.js Sep 2026
- dropped Zone.js Sep 2026
- dropped reCAPTCHA Aug 2026
- dropped Sentry Aug 2026
- dropped YouTube Aug 2026
- detected Unpkg Jul 2026
- detected Sentry May 2026
- detected Angular Apr 2026
- detected TypeScript Apr 2026
- detected Zone.js Apr 2026