What powers 
teachforjapan.org?
Last seen Sep 2026 · 29 technologies across 16 categories
Advertising
Analytics
CDN
CMS
Databases
Font scripts
JavaScript libraries
Marketing automation
Miscellaneous
Programming languages
Security
Tag managers
Web servers
Webmail
WordPress plugins
WordPress themes
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 52% phone
- 48% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.57 / 10 · ranked #390,928 of all domains
92 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.2 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 4.8 MB · 119 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Registered Jan 2010 (16 years) via Network Solutions, LLC, renews Jan 2029
- Hosted on Sakura Internet (112.78.112.101)
- DNS: Network Solutions
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 6,997,593, 3 hosts
- Verified with: Meta Business
DNS records as swept Oct 2026, certificate as seen Oct 2026, registration from the registry's RDAP service. How the web is hosted
Full technology history →
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Recent changes
- dropped AddToAny Jun 2026
- dropped AddToAny Share Buttons Jun 2026
- detected VWO Nov 2025