What powers kokusai-koryu.jp?
Last seen Sep 2026 · 22 technologies across 13 categories
Analytics
Google Analytics
since Jun 2020
CMS
WordPress
since Apr 2021
Databases
MySQL
since Apr 2021
Font scripts
Google Font API
since Apr 2021
Hosting
Sakura Internet
since Aug 2022
JavaScript libraries
Clipboard.js
since Nov 2021
Slick
since Apr 2021
Miscellaneous
Open Graph
since Sep 2022
RSS
since Dec 2022
Page builders
WordPress Block Editor
since Jul 2024
Performance
Priority Hints
since Dec 2024
Programming languages
PHP
since Apr 2021
Security
reCAPTCHA
since Apr 2021
Web servers
Nginx
since Jun 2020
WordPress plugins
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 found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 65% desktop
- 35% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.32 / 10 · ranked #1,105,670 of all domains
24 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 4.0 MB · 82 requests
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Sakura Internet (59.106.19.100)
- DNS: Sakura Internet
- Email: no MX record returned
- Email security: SPF (soft fail), DMARC monitor only
- SSL: JPRS, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 10,958,451, 2 hosts
DNS records as swept Aug 2026, certificate as seen Sep 2026. How the web is hosted