What powers 
nbrc.org?
Last seen Oct 2026 · 41 technologies across 24 categories
Accessibility
Analytics
Caching
CDN
CMS
Databases
Font scripts
Hosting
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Live chat
Miscellaneous
Operating systems
PaaS
Performance
Programming languages
Security
UI frameworks
Video players
Web frameworks
Web servers
Webmail
WordPress plugins
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Nov 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
- Sep 2026 * removed from robots.txt
- Sep 2026 llms.txt removed
- Sep 2026 robots.txt removed
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| nbrc | #1 | 5,100 |
| crt | #7 | 1,500 |
| nbrc login | #2 | 750 |
| certified respiratory therapist | #1 | 630 |
| nrbc | #6 | 410 |
| respiratory therapist | #15 | 400 |
| respiratory care | #2 | 350 |
| accs meaning | #4 | 290 |
| crt certification | #1 | 270 |
| national board certification | #5 | 250 |
| respiratory care board | #2 | 230 |
| rrt certification | #4 | 190 |
| nbrc practice exam | #2 | 180 |
| resp | #95 | 160 |
| tmc practice exam | #1 | 150 |
| nbrc verification | #3 | 130 |
| crts | #34 | 130 |
| nbrc exam | #1 | 120 |
| what is rrt | #2 | 120 |
| accs respiratory | #1 | 110 |
| license for respiratory therapy | #1 | 100 |
| national reso | #64 | 100 |
| rpft | #1 | 97 |
| respiratory therapist certification | #1 | 94 |
| ae-c | #1 | 84 |
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
No robots.txt, all AI crawlers allowed
Audience
- 65% desktop
- 33% phone
- 2% tablet
United States
India
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
6.08 / 10 · ranked #104,441 of all domains
300 referring domains · OpenPageRank
Search traffic
17,200 est. monthly organic visits (US)
3,136 keywords in Google's top 30
Core Web Vitals
| LCP | 2 s |
| INP | 50 ms |
| CLS | 0.05 |
| TTFB | 1200 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English (United States)
- CDN: Fastly
- Weight: 2.0 MB · 188 requests
- WordPress theme: enfold (child: nbrc) · all themes
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- The National Board for Respiratory Care (National Board for Respiratory Care on Wikidata)
- Founded: 1960
- Sector: health care
- Country: United States
From the homepage's own structured data (Oct 2026) and Wikidata (CC0).
Infrastructure
- Registered Nov 1995 (31 years) via GoDaddy.com, LLC, renews Nov 2028
- Hosted on Fastly (151.101.130.159)
- DNS: GoDaddy DNS
- Email: Microsoft 365
- Email security: SPF (soft fail), DMARC quarantine
- SSL: GoDaddy, RSA 2048, wildcard, expires Jan 2027
- Common Crawl link graph: rank 6,739,065, 9 hosts
- Verified with: Google, Meta Business, Microsoft 365
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.nbrc.org | 27 |
| practitionerportal.nbrc.org | 16 |
| schoolportal.nbrc.org | 12 |
| secure.nbrc.org | 9 |
Full technology history →
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Recent changes
- dropped Webpack Sep 2026