What powers 
ptrtennis.org?
Last seen Oct 2026 · 35 technologies across 24 categories
Analytics
Authentication
CDN
CMS
Comment systems
Cookie compliance
Databases
Font scripts
IaaS
JavaScript libraries
Maps
Marketing automation
Miscellaneous
PaaS
Payment processors
Performance
Programming languages
Security
Tag managers
Web frameworks
Webmail
Widgets
WordPress plugins
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 checked
- ai.txt not checked
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
4.43 / 10 · ranked #412,195 of all domains
69 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.4 s |
| INP | 125 ms |
| CLS | 0.05 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: English
- CDN: Google
- Weight: 16.2 MB · 68 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
From the homepage's own structured data (Oct 2026).
Infrastructure
- Registered Sep 2000 (26 years) via NameSilo, LLC, renews Sep 2027
- Hosted on Google Cloud (34.111.179.208)
- DNS: Azure DNS
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC quarantine
- SSL: Let's Encrypt, ECDSA P256, expires Nov 2026
- Common Crawl link graph: rank 2,243,743, 4 hosts
- Verified with: Brevo, Google, Microsoft 365, Replit
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 |
|---|---|
| ptrtennis.org | 18 |
| www.ptrtennis.org | 16 |
| portal.ptrtennis.org | 11 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Bootstrap Oct 2026
- dropped cdnjs Oct 2026
- dropped Cloudflare Oct 2026
- dropped Font Awesome Oct 2026
- dropped Google Hosted Libraries Oct 2026
- dropped IIS Oct 2026
- dropped Kendo UI Oct 2026
- dropped LiveChat Oct 2026
- dropped toastr Oct 2026
- dropped Webpack Oct 2026
- dropped Windows Server Oct 2026
- dropped core-js Sep 2026
- dropped Isotope Sep 2026
- dropped Priority Hints Sep 2026
- dropped RSS Sep 2026
- detected Stripe Sep 2026
- dropped Swiper Sep 2026
- detected Umami Sep 2026
- dropped Vimeo Sep 2026
- dropped Yoast SEO Sep 2026
- dropped YouTube Sep 2026
- detected Clerk Aug 2026
- detected Express Aug 2026
- detected Google Cloud Aug 2026
- detected Google Cloud CDN Aug 2026
- detected Google Cloud Trace Aug 2026
- detected HTTP/3 Aug 2026
- detected HubSpot Aug 2026
- detected Leaflet Aug 2026
- detected Livefyre Aug 2026
- detected Node.js Aug 2026
- detected Sendgrid Aug 2026
- detected Google Analytics Mar 2026