What powers oat.ru?
Last seen Sep 2026 · 10 technologies across 9 categories
CDN
Cloudflare
since Aug 2018
JavaScript frameworks
BEM
since Sep 2026
JavaScript libraries
LMS
Moodle
since Nov 2021
Miscellaneous
Programming languages
PHP
since Aug 2018
Security
DDoS-Guard
since Sep 2022
UI frameworks
Bootstrap
since Sep 2026
Tailwind CSS
since Sep 2026
Web servers
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Oct 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 92% phone
- 8% desktop
Russia
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.12 / 10 · ranked #10,828,383 of all domains
14 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.8 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Sep 2026.
Infrastructure
- Hosted on SPB-AS (109.195.84.59)
- DNS: Cloudflare DNS
- Email: Yandex 360
- Email security: SPF, DMARC monitor only, DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Sep 2026
- Common Crawl link graph: rank 7,841,860, 4 hosts
DNS records as swept Oct 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.oat.ru | 7 |
| do.oat.ru | 4 |
| elo.oat.ru | 2 |
| rate.oat.ru | 2 |