What powers fabric-testbed.net?
Last seen May 2026 · 28 technologies across 16 categories
Advertising
Twitter Ads
since Nov 2022
Analytics
CDN
Cloudflare
since Nov 2022
Netlify
since Nov 2022
CMS
Databases
MySQL
since May 2026
Font scripts
Google Font API
since Nov 2022
JavaScript frameworks
JavaScript libraries
Marketing automation
HubSpot
since Nov 2022
Miscellaneous
Page builders
WordPress Block Editor
since May 2026
Programming languages
Security
Cloudflare Bot Management
since Nov 2022
HSTS
since Nov 2022
Web servers
Nginx
since May 2026
Widgets
Twitter
since Nov 2022
WordPress plugins
Kadence WP Blocks
since May 2026
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Oct 2026 * added to robots.txt
AI Crawlers
No AI crawlers blocked
Audience
- 100% desktop
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.42 / 10 · ranked #413,592 of all domains
72 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| INP | 50 ms |
| CLS | 0.35 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Sep 2026.
Infrastructure
- Hosted on NCREN (152.54.15.47, IPv6)
- DNS: fabric-testbed.net
- Email: fabric-testbed.net
- Email security: SPF (soft fail), DMARC quarantine, CAA
- SSL: Sectigo, RSA 4096, expires Mar 2027
- Common Crawl link graph: rank 1,900,639, 8 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| fabric-testbed.net | 17 |
| learn.fabric-testbed.net | 12 |