What powers nchs.org?
Last seen Sep 2026 · 54 technologies across 24 categories
Advertising
Twitter Ads
since Dec 2022
Analytics
Google Analytics
since Jan 2019
Hotjar
since Mar 2023
HubSpot Analytics
since Nov 2021
Linkedin Insight Tag
since Sep 2025
Authentication
Facebook Login
since Dec 2022
Linkedin Sign-in
since Dec 2022
CDN
Cloudflare
since Nov 2021
jsDelivr
since Apr 2022
CMS
HubSpot CMS Hub
since Dec 2022
WordPress
since Jan 2019
Databases
MySQL
since Jan 2019
Font scripts
Font Awesome
since Dec 2019
Google Font API
since Jan 2019
JavaScript frameworks
RequireJS
since Jan 2019
JavaScript libraries
OWL Carousel
since Apr 2022
Select2
since Mar 2019
Live chat
Tawk.to
since Apr 2022
Marketing automation
HubSpot
since Nov 2021
OptinMonster
since Sep 2022
Miscellaneous
PaaS
Payment processors
Stripe
since Jun 2024
Performance
Priority Hints
since Sep 2023
Programming languages
PHP
since Jan 2019
Security
Cloudflare Bot Management
since Nov 2021
HSTS
since Dec 2022
SEO
Tag managers
Google Tag Manager
since Jan 2019
UI frameworks
Tailwind CSS
since Apr 2022
Video players
YouTube
since Dec 2022
Webmail
Apple iCloud Mail
since Oct 2023
Microsoft 365
since Aug 2022
Widgets
WordPress plugins
AddToAny Share Buttons
since Apr 2022
Gravity Forms
since Jan 2019
SVG Support
since Dec 2022
The Events Calendar
since Jun 2022
Translate WordPress
since Feb 2022
WooCommerce
since Jan 2019
WooCommerce Stripe Payment Gateway
since Jun 2024
wpBakery
since Feb 2022
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 73% phone
- 27% desktop
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.39 / 10 · ranked #1,020,774 of all domains
65 referring domains · OpenPageRank
Core Web Vitals
| LCP | 4.9 s |
| CLS | 0 |
| TTFB | 4800 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English (United States)
- CDN: Cloudflare, Fastly
- Weight: 3.4 MB · 137 requests
- WordPress theme: nchs · all themes
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Cloudflare (104.26.6.201, IPv6)
- DNS: Cloudflare DNS
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC monitor only
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Nov 2026
- Common Crawl link graph: rank 2,998,267, 7 hosts
- Verified with: Apple Business, Google, Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| nchs.org | 42 |
| blog.nchs.org | 22 |
| fullcircle.nchs.org | 17 |
| www.nchs.org | 14 |