What powers i-ist.co.jp?
Last seen Oct 2026 · 13 technologies across 12 categories
Authentication
Facebook Login
since Aug 2022
CMS
Databases
MySQL
since Aug 2022
Font scripts
JavaScript libraries
Miscellaneous
RSS
since Dec 2022
Programming languages
PHP
since Aug 2022
Security
Really Simple SSL & Security
since Apr 2024
UI frameworks
Web servers
Nginx
since Aug 2022
WordPress plugins
WP-PageNavi
since Aug 2022
WordPress themes
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
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.64 / 10 · ranked #5,389,870 of all domains
4 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| CLS | 0 |
| TTFB | 1200 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 1.3 MB · 36 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Xserver (202.226.36.28)
- DNS: sixcore.ne.jp
- Email: i-ist.co.jp
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 41,577,932
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted