What powers seeck.jp?
Last seen Oct 2026 · 29 technologies across 22 categories
Advertising
Affiliate programs
Analytics
Caching
CDN
CMS
Cookie compliance
Databases
Font scripts
JavaScript libraries
Miscellaneous
Page builders
Payment processors
Performance
Programming languages
Security
Tag managers
UI frameworks
Web frameworks
Webmail
Widgets
WordPress plugins
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 Oct 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Audience
- 76% desktop
- 24% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.17 / 10 · ranked #1,309,176 of all domains
11 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.6 s |
| INP | 50 ms |
| CLS | 0.1 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- CDN: Cloudflare
- Weight: 1.7 MB · 121 requests
- WordPress theme: cocoon-master (child: cocoon-child-master) · all themes
- Structured data: JSON-LD, Microdata, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Cloudflare (104.21.7.22)
- DNS: Cloudflare DNS
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Dec 2026
- Common Crawl link graph: rank 1,943,848, 6 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 |
|---|---|
| kb.seeck.jp | 24 |
| www.seeck.jp | 11 |
Full technology history →
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Recent changes
- dropped Snowplow Analytics Aug 2026
- detected Tailwind CSS Aug 2026
- dropped cdnjs May 2026
- detected Cloudflare Bot Management May 2026
- detected Snowplow Analytics May 2026
- dropped Google Hosted Libraries Feb 2026