What powers referral.plus?
Last seen Aug 2026 · 13 technologies across 12 categories
Amazon SES
since Jul 2026
Font scripts
Hosting
GoDaddy
since Jul 2026
JavaScript libraries
Operating systems
Ubuntu
since Jul 2026
PaaS
Amazon Web Services
since Jul 2026
Programming languages
Java
since Jul 2026
Security
HSTS
since Jul 2026
UI frameworks
Bootstrap
since Jul 2026
Web frameworks
ZK
since Jul 2026
Web servers
Webmail
Google Workspace
since Jul 2026
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Aug 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Core Web Vitals
| LCP | 2 s |
| INP | 50 ms |
| CLS | 0.45 |
| TTFB | 1000 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Weight: 0.7 MB · 28 requests
Homepage as crawled by the HTTP Archive, Aug 2026.