What powers koya.org?
Last seen Sep 2026 · 16 technologies across 13 categories
Analytics
Google Analytics
since Jan 2019
Authentication
Facebook Login
since Apr 2023
CDN
Google Hosted Libraries
since Mar 2026
CMS
Databases
MySQL
since Jan 2019
Font scripts
Twitter Emoji (Twemoji)
since Jan 2019
JavaScript libraries
Miscellaneous
Programming languages
PHP
since Jan 2019
Security
reCAPTCHA
since May 2024
SEO
Video players
Web servers
Nginx
since Apr 2023
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Audience
- 76% phone
- 24% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.97 / 10 · ranked #1,641,995 of all domains
33 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.5 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 26.3 MB · 166 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- DNS: Onamae.com
- Email: Sakura Internet
- Email security: SPF (hard fail), no DMARC record
- SSL: JPRS, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 11,173,436
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- detected Twitter Emoji (Twemoji) Aug 2026
- detected Google Hosted Libraries Mar 2026