What powers vermuda.jp?
Last seen Oct 2026 · 15 technologies across 8 categories
Analytics
Caching
CDN
JavaScript frameworks
Miscellaneous
PaaS
Programming languages
Security
AI Crawlers
Does not block any of the 33 AI crawlers we track in its robots.txt. Checked Oct 2026.
Training crawlers
- Applebot-Extended Allowed
- Bytespider Allowed
- CCBot Allowed
- ClaudeBot Allowed
- cohere-training-data-crawler Allowed
- Google-Extended Allowed
- GPTBot Allowed
Search and AI assistants
- Claude-SearchBot Allowed
- OAI-SearchBot Allowed
- PerplexityBot Allowed
User-request fetchers
- ChatGPT-User Allowed
- Claude-User Allowed
The other 21 AI crawlers we track are not mentioned and stay allowed by default.
- robots.txt found
- llms.txt found
- llms-full.txt found
- ai.txt not found
- Sep 2026 Content Signals changed
- Sep 2026 amazonbot removed from robots.txt
- Sep 2026 meta-externalagent removed from robots.txt
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
2.82 / 10 · ranked #1,941,563 of all domains
14 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- CDN: Cloudflare, Fastly
- Weight: 2.8 MB · 185 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- 合同会社 Vermuda
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Cloudflare (104.21.51.71, IPv6)
- DNS: Cloudflare DNS
- Email: Xserver
- Email security: SPF (soft fail), no DMARC record
- SSL: Google Trust Services, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 1,426,416
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped reCAPTCHA Jul 2026
- detected HSTS Jun 2026
- dropped All in One SEO Jan 2026
- dropped cdnjs Jan 2026
- dropped Clipboard.js Jan 2026
- dropped Contact Form 7 Jan 2026
- dropped core-js Jan 2026
- dropped Font Awesome Jan 2026
- dropped Google Font API Jan 2026
- dropped Google Tag Manager Jan 2026
- dropped Highlight.js Jan 2026
- dropped jQuery Jan 2026
- dropped jQuery Migrate Jan 2026
- dropped Matomo Analytics Jan 2026
- dropped MetaSlider Jan 2026
- dropped MySQL Jan 2026
- dropped Nginx Jan 2026
- dropped PHP Jan 2026
- dropped RSS Jan 2026
- dropped SiteOrigin Page Builder Jan 2026
- dropped SiteOrigin Widgets Bundle Jan 2026
- dropped WordPress Jan 2026
- dropped Xserver Jan 2026
- detected Cloudflare Browser Insights Dec 2025
- detected Fastly Dec 2025
- detected GitHub Pages Dec 2025
- detected HTTP/3 Dec 2025
- detected LottieFiles Dec 2025
- detected Next.js Dec 2025
- detected Node.js Dec 2025
- detected PWA Dec 2025
- detected React Dec 2025
- detected Varnish Dec 2025
- detected Webpack Dec 2025