What powers 
developmental-robotics.jp?
Last seen Oct 2026 · 17 technologies across 11 categories
CMS
Databases
MySQL
since Jul 2022
Font scripts
Google Font API
since Jul 2022
Twitter Emoji (Twemoji)
since Jul 2022
JavaScript libraries
Miscellaneous
RSS
since Dec 2022
Page builders
WordPress Block Editor
since Aug 2024
Performance
Priority Hints
since Apr 2024
Programming languages
Web servers
Apache HTTP Server
since Jul 2022
WordPress plugins
Polylang
since Oct 2022
WordPress themes
Lightning
since Aug 2024
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 Nov 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.21 / 10 · ranked #450,641 of all domains
36 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 1000 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: English
- Weight: 1.6 MB · 50 requests
- WordPress theme: siteorigin-north (child: siteorigin-north-child) · all themes
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on GMO Internet (157.7.189.66)
- DNS: Muumuu Domain
- Email: Google Workspace
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 70,904, 2 hosts
- Verified with: Google
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| developmental-robotics.jp | 13 |
| jsbs2024.developmental-robotics.jp | 10 |