What powers 
seibutravel.co.jp?
Last seen Sep 2026 · 11 technologies across 8 categories
Analytics
CMS
Databases
Miscellaneous
Operating systems
Programming languages
Web servers
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 found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 84% phone
- 16% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.80 / 10 · ranked #716,563 of all domains
34 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 16.9 MB · 52 requests
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- 西武トラベル
- Industry: Travel and hospitality (declares
TravelAgency) - Profiles: Facebook
From the homepage's own structured data (Sep 2026).
Infrastructure
- DNS: omakase.jp
- Email: seibutravel.co.jp
- Email security: SPF (soft fail), DMARC monitor only
- SSL: GlobalSign, RSA 4096, expires Nov 2026
- Common Crawl link graph: rank 6,729,904
DNS records as swept Oct 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- detected Site Kit Jul 2026
- detected WP-Optimize Jul 2026
- detected Yoast SEO Jul 2026