What powers 
ta3.sk?
Last seen Nov 2023 · 15 technologies across 10 categories
Authentication
Facebook Login
since Mar 2023
CMS
Databases
MySQL
since Nov 2022
Font scripts
JavaScript libraries
Miscellaneous
RSS
since Dec 2022
Programming languages
PHP
since Apr 2020
Security
HSTS
since Sep 2022
Web servers
Apache HTTP Server
since Apr 2020
WordPress plugins
Polylang
since Nov 2022
UltimatelySocial
since Mar 2023
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 76% desktop
- 24% phone
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.69 / 10 · ranked #344,328 of all domains
130 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| CLS | 0 |
Real user p75, Chrome UX Report, Aug 2026.
Organisation
- Astronomical Institute of Slovak Academy of Sciences
- Founded: 1953
- Country: Slovakia
From Wikidata (CC0).
Infrastructure
- Hosted on SANET Slovak Academic Network (193.87.1.2, IPv6)
- DNS: ta3.sk
- Email: ta3.sk
- Email security: SPF (neutral), DMARC monitor only, DNSSEC signed, CAA
- SSL: HARICA, RSA 4096, wildcard, expires Nov 2026
- Common Crawl link graph: rank 482,469, 13 hosts
- Verified with: Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.ta3.sk | 15 |
| ta3.sk | 10 |