What powers 
yamasa.org?
Last seen Sep 2026 · 22 technologies across 13 categories
Analytics
CMS
Databases
Font scripts
JavaScript libraries
Miscellaneous
Page builders
Performance
Programming languages
Security
Web servers
Webmail
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 Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Oct 2026 robots.txt appeared
- Oct 2026 * added to robots.txt
- Oct 2026 * removed from robots.txt
- Oct 2026 robots.txt removed
- Sep 2026 robots.txt appeared
- Sep 2026 * added to robots.txt
AI Crawlers
No AI crawlers blocked
Audience
- 56% phone
- 44% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.41 / 10 · ranked #997,005 of all domains
64 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.6 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 1100 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- Weight: 0.0 MB · 3 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- YAMASA言語 認定校 (Yamasa Institute on Wikidata)
- Founded: 1989
- Country: Japan
- Profiles: Facebook, X, Instagram
From the homepage's own structured data (Oct 2026) and Wikidata (CC0).
Infrastructure
- Hosted on Xserver (183.90.231.58)
- DNS: Onamae.com
- Email: Microsoft 365
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 688,080, 8 hosts
- Verified with: Google, Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.yamasa.org | 20 |
| db.yamasa.org | 4 |
Full technology history →
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Recent changes
- dropped Facebook Login May 2026
- detected Complianz Apr 2026
- dropped Otter Blocks Apr 2026
- detected WP Fastest Cache Apr 2026
- dropped Azure Mar 2026
- dropped Google Hosted Libraries Mar 2026
- dropped Google Tag Manager Mar 2026
- detected HSTS Mar 2026
- dropped IIS Mar 2026
- dropped Microsoft ASP.NET Mar 2026
- detected Site Kit Mar 2026
- dropped Windows Server Mar 2026
- detected Contact Form 7 Feb 2026
- detected core-js Feb 2026
- detected jQuery Migrate Feb 2026
- detected MySQL Feb 2026
- detected Nginx Feb 2026
- detected Otter Blocks Feb 2026
- detected PHP Feb 2026
- detected Priority Hints Feb 2026
- detected RSS Feb 2026
- detected Twitter Emoji (Twemoji) Feb 2026
- detected WordPress Feb 2026
- detected WordPress Site Editor Feb 2026
- detected Yoast SEO Feb 2026