What powers smtp.bz?
Last seen Jun 2026 · 22 technologies across 11 categories
Analytics
Yandex.Metrika
since May 2020
CDN
cdnjs
since Dec 2021
Cloudflare
since Mar 2023
Documentation
Font scripts
Google Font API
since Apr 2022
JavaScript frameworks
JavaScript libraries
Miscellaneous
Programming languages
Node.js
since Apr 2022
Security
UI frameworks
Web servers
Audience
- 94% desktop
- 7% phone
Russia
Germany
Belarus
Kazakhstan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.63 / 10 · ranked #798,100 of all domains
37 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 25 ms |
| CLS | 0.05 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Russian
- Weight: 1.3 MB · 45 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| docs.smtp.bz | 14 |
| validate.smtp.bz | 12 |
| check.smtp.bz | 11 |
| dnsbl.smtp.bz | 11 |
| spamtest.smtp.bz | 11 |
| smtp.bz | 4 |