What powers phdm.org?
Last seen Sep 2026 · 16 technologies across 9 categories
Accessibility
UserWay
since Jun 2024
Analytics
Google Analytics
since Jun 2024
CDN
Font scripts
Font Awesome
since Jun 2024
JavaScript libraries
Moment Timezone
since Jun 2024
Tiny Slider
since Jun 2024
Miscellaneous
Open Graph
since Sep 2022
Programming languages
TypeScript
since Jun 2024
UI frameworks
Widgets
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.36 / 10 · ranked #1,049,031 of all domains
27 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.9 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- Weight: 8.8 MB · 145 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Amazon Web Services (75.2.114.84)
- DNS: merit.net
- Email: no MX record returned, SPF names Barracuda
- Email security: SPF
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Nov 2026
- Common Crawl link graph: rank 7,010,636, 2 hosts
- Verified with: Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted