What powers nacc.org?
Last seen Sep 2026 · 35 technologies across 20 categories
Analytics
CDN
CMS
Databases
Font scripts
JavaScript frameworks
JavaScript libraries
Marketing automation
Miscellaneous
Operating systems
PaaS
Performance
Programming languages
RUM
Security
UI frameworks
Web frameworks
Web servers
WordPress plugins
AI Crawlers
Blocks 30 of 33 AI crawlers we track by name in its robots.txt. Checked Oct 2026.
Training crawlers
- AI2Bot Blocked
- Applebot-Extended Blocked
- Bytespider Blocked
- CCBot Blocked
- ClaudeBot Blocked
- cohere-training-data-crawler Blocked
- Diffbot Blocked
- FacebookBot Blocked
- Google-CloudVertexBot Blocked
- Google-Extended Blocked
- GoogleOther Blocked
- GPTBot Blocked
- ImagesiftBot Blocked
- meta-externalagent Blocked
- PanguBot Blocked
- SBIntuitionsBot Blocked
- Webzio-Extended Blocked
Search and AI assistants
- Amazonbot Blocked
- Applebot Blocked
- Claude-SearchBot Blocked
- DuckAssistBot Blocked
- OAI-SearchBot Blocked
- PerplexityBot Blocked
- PetalBot Blocked
- YouBot Blocked
User-request fetchers
- ChatGPT-User Blocked
- Claude-User Blocked
- meta-externalfetcher Blocked
- MistralAI-User Blocked
- Perplexity-User Blocked
The other 3 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
AI Crawlers
30 of 33 AI crawlers blocked
Audience
- 62% desktop
- 38% phone
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.69 / 10 · ranked #347,468 of all domains
115 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.7 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 3400 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English (United States)
- CDN: Cloudflare, Fastly
- Weight: 2.4 MB · 90 requests
- WordPress theme: bb-theme (child: nacc-theme) · all themes
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- The National Association of Catholic Chaplains
- Profiles: Facebook
From the homepage's own structured data (Oct 2026).
Infrastructure
- Registered Jun 1996 (30 years) via NameCheap, Inc., renews Jun 2027
- Hosted on Cloudflare (104.21.25.215, IPv6)
- DNS: Cloudflare DNS
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC quarantine
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Dec 2026
- Common Crawl link graph: rank 485,545, 6 hosts
- Verified with: Google, Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026, registration from the registry's RDAP service. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.nacc.org | 26 |
| portal.nacc.org | 11 |
| web.nacc.org | 5 |
| upload.nacc.org | 4 |
Full technology history →
Report an incorrect detection
Recent changes
- detected GSAP Sep 2026
- detected Twitter Emoji (Twemoji) Jan 2026
- detected Cloudflare Browser Insights Nov 2025