What powers 
npidb.org?
Last seen Aug 2026 · 18 technologies across 12 categories
Analytics
CDN
Font scripts
JavaScript graphics
JavaScript libraries
Miscellaneous
Performance
Security
Tag managers
UI frameworks
Web frameworks
Webmail
AI Crawlers
Blocks 8 of 33 AI crawlers we track by name in its robots.txt. Checked Sep 2026.
Training crawlers
- CCBot Blocked
- GPTBot Blocked
- meta-externalagent Blocked
Search and AI assistants
- Amazonbot Blocked
- OAI-SearchBot Blocked
- PetalBot Blocked
- YouBot Blocked
User-request fetchers
- ChatGPT-User Blocked
The other 25 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
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| dr npi search | #2 | 48,800 |
| npi search lookup | #2 | 36,600 |
| npi finder | #2 | 36,600 |
| npi number search | #6 | 7,600 |
| npi dr lookup | #2 | 1,500 |
| doctor npi lookup | #3 | 880 |
| dr npi search | #36 | 630 |
| national healthcare corp | #97 | 520 |
| npi search lookup | #34 | 470 |
| npi number search | #66 | 470 |
| katherine eunice | #61 | 420 |
| npi registration | #67 | 350 |
| abbrea | #34 | 350 |
| npi search by name | #2 | 310 |
| national provider number | #86 | 280 |
| national provider identifier number | #64 | 280 |
| national provider identification number | #47 | 280 |
| npi lookup ohio | #2 | 260 |
| npi lookup ca | #2 | 260 |
| npi number lookup | #9 | 250 |
| chyna b | #62 | 230 |
| npi lookup florida | #2 | 230 |
| national provider identification | #67 | 210 |
| npi | #50 | 210 |
| dr lily phillips | #27 | 210 |
The site's top keywords in Google (US), with the visits each one is estimated to bring per month.
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
AI Crawlers
8 of 33 AI crawlers blocked
Audience
- 89% desktop
- 11% phone
United States
India
Philippines
Pakistan
Puerto Rico
Colombia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.31 / 10 · ranked #193,805 of all domains
180 referring domains · OpenPageRank
Search traffic
268,100 est. monthly organic visits (US)
433,841 keywords in Google's top 30
Core Web Vitals
| LCP | 0.8 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Aug 2026.
Infrastructure
- Registered May 2010 (16 years) via Amazon Registrar, Inc., renews May 2027
- Hosted on Cloudflare (172.66.41.12, IPv6)
- DNS: Cloudflare DNS
- Email: Google Workspace
- Email security: SPF (soft fail), no DMARC record, CAA
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Nov 2026
- Common Crawl link graph: rank 71,011, 2 hosts
- Verified with: Google
DNS records as swept Sep 2026, certificate as seen Sep 2026, registration from the registry's RDAP service. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| npidb.org | 16 |
| www.npidb.org | 7 |