What powers 
asa21.com?
Last seen Aug 2026 · 7 technologies across 6 categories
Ecommerce
Hosting panels
JavaScript libraries
Miscellaneous
Programming languages
Web servers
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 Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 59% desktop
- 41% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.22 / 10 · ranked #448,010 of all domains
136 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 25 ms |
| CLS | 0.15 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 2.1 MB · 43 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on CLARA-AS-AP CLARA, Inc. (202.51.14.190)
- DNS: d-p.jp
- Email: asa21.com
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 480,938, 3 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.asa21.com | 5 |
| special.asa21.com | 2 |
Full technology history →
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Recent changes
- dropped Cloudflare Jul 2026
- dropped Cloudflare Bot Management Jul 2026
- dropped Facebook Login Jul 2026
- dropped Google Analytics Jul 2026
- dropped Twitter Jul 2026
- dropped Twitter Ads Jul 2026
- detected Cloudflare May 2026
- detected Cloudflare Bot Management May 2026
- detected Facebook Login May 2026
- detected Google Analytics May 2026
- detected Twitter May 2026
- detected Twitter Ads May 2026