What powers coral.school?
Last seen Sep 2026 · 21 technologies across 13 categories
Analytics
Google Analytics
since Jan 2021
Yandex.Metrika
since Jan 2021
CDN
Google Hosted Libraries
since Feb 2022
jsDelivr
since Jan 2021
CMS
1C-Bitrix
since Jan 2021
Font scripts
Google Font API
since Jan 2021
JavaScript frameworks
JavaScript libraries
Live chat
WhatsApp Business Chat
since Feb 2022
Miscellaneous
Operating systems
Windows Server
since Mar 2023
Programming languages
PHP
since Jan 2021
UI frameworks
Bootstrap
since Jan 2021
Web servers
Webmail
Microsoft 365
since Aug 2022
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 66% desktop
- 34% phone
Russia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.35 / 10 · ranked #1,070,562 of all domains
72 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 50 ms |
| CLS | 0.35 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Russian
- Weight: 23.8 MB · 130 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on DTLN (185.242.121.71)
- DNS: coral.school
- Email: franchcoral.ru
- Email security: SPF (soft fail), DMARC quarantine
- SSL: GlobalSign, RSA 2048, wildcard, expires Oct 2026
- Common Crawl link graph: rank 2,021,890, 2 hosts
- Verified with: GlobalSign, Microsoft 365
DNS records as swept Aug 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.coral.school | 15 |
| coral.school | 6 |
| edu.coral.school | 4 |