What powers 
ntl.org?
Last seen Sep 2026 · 43 technologies across 25 categories
Analytics
Caching
CDN
CMS
CRM
Databases
Font scripts
Hosting
Hosting panels
JavaScript frameworks
JavaScript libraries
Load balancers
Miscellaneous
Operating systems
PaaS
Performance
Programming languages
Security
SEO
UI frameworks
Web frameworks
Web servers
Webmail
Widgets
WordPress plugins
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
- 71% desktop
- 29% phone
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.17 / 10 · ranked #469,211 of all domains
86 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.2 s |
| INP | 25 ms |
| CLS | 0.05 |
| TTFB | 1500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English (United States)
- Weight: 3.7 MB · 55 requests
- WordPress theme: bb-theme (child: bb-theme-child) · all themes
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- National Training Laboratories
- Founded: 1947
- Country: United States
From Wikidata (CC0).
Infrastructure
- Registered Aug 1996 (30 years) via GoDaddy.com, LLC, renews Aug 2028
- Hosted on Microsoft (20.25.91.29)
- Email: Google Workspace
- Email security: SPF (hard fail), DMARC monitor only
- SSL: Google Trust Services, ECDSA P256, expires Jan 2027
- Common Crawl link graph: rank 686,229, 4 hosts
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 |
|---|---|
| members.ntl.org | 25 |
| www.ntl.org | 25 |
| ntl.org | 24 |
| secure.ntl.org | 13 |
Full technology history →
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Recent changes
- dropped Twitter Emoji (Twemoji) Jul 2026