What powers 
jaast.jp?
Last seen Oct 2026 · 16 technologies across 12 categories
CMS
Databases
MySQL
since Aug 2025
Font scripts
Twitter Emoji (Twemoji)
since Jan 2026
Hosting
Xserver
since Aug 2025
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2026
RSS
since Aug 2025
Operating systems
CentOS
since Apr 2019
Page builders
WordPress Block Editor
since Aug 2025
Performance
Priority Hints
since Aug 2025
Programming languages
PHP
since Aug 2025
Web servers
Nginx
since Aug 2025
WordPress plugins
Jetpack
since Sep 2025
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Nov 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
4.09 / 10 · ranked #511,469 of all domains
34 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.2 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English (United States)
- Weight: 1.0 MB · 47 requests
- WordPress theme: maxwell · all themes
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Xserver (85.131.209.18)
- DNS: Xserver
- Email: no MX record returned, SPF names Xserver
- Email security: SPF (soft fail)
- SSL: Let's Encrypt, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 85,937, 2 hosts
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| jaast.jp | 14 |
| www.jaast.jp | 2 |