What powers struo-stationery.com?
Last seen Oct 2026 · 29 technologies across 15 categories
Analytics
CDN
Ecommerce
Issue trackers
JavaScript libraries
Load balancers
Marketing automation
Miscellaneous
PaaS
Payment processors
Performance
Reviews
Security
Video players
Widgets
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 found
- llms-full.txt found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Standards: llms.txt, llms-full.txt
Audience
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
0.29 / 10 · ranked #52,021,078 of all domains
1 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.1 s |
| INP | 50 ms |
| CLS | 0.1 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- CDN: Cloudflare
- Weight: 5.9 MB · 431 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- 革の万年筆ペンケース専門店
- Profiles: Instagram
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Cloudflare (23.227.38.36, IPv6)
- DNS: Google Cloud DNS
- Email: OpenSRS Email
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, ECDSA P256, expires Oct 2026
- Common Crawl link graph: rank 16,134,642
DNS records as swept Oct 2026, certificate as seen Sep 2026. How the web is hosted
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Recent changes
- dropped Preact Aug 2026
- dropped Shopify Chat Aug 2026
- detected PushOwl Jul 2026
- dropped PushOwl May 2026
- detected math.js Apr 2026