What powers hrz.co.jp?
Last seen Oct 2026 · 23 technologies across 15 categories
Analytics
CDN
CMS
Font scripts
IaaS
Issue trackers
JavaScript frameworks
JavaScript libraries
Miscellaneous
Performance
Programming languages
Security
UI frameworks
Web frameworks
Webmail
AI Crawlers
Blocks 13 of 33 AI crawlers we track by name in its robots.txt. Checked Oct 2026.
Training crawlers
- Applebot-Extended Blocked
- Bytespider Blocked
- CCBot Blocked
- ClaudeBot Blocked
- cohere-training-data-crawler Blocked
- Diffbot Blocked
- Google-CloudVertexBot Blocked
- Google-Extended Blocked
- GoogleOther Blocked
- GPTBot Blocked
- meta-externalagent Blocked
Search and AI assistants
- Amazonbot Blocked
- PetalBot Blocked
The other 20 AI crawlers we track are not mentioned and stay allowed by default.
- robots.txt found
- llms.txt not found
- ai.txt not found
Content Signals:
search=yes ai-train=no declared in robots.txt
- Oct 2026 googleother added to robots.txt
- Oct 2026 bytespider added to robots.txt
- Oct 2026 claude-web added to robots.txt
- Oct 2026 Content Signals changed
- Oct 2026 ccbot added to robots.txt
- Oct 2026 amazonbot added to robots.txt
AI Crawlers
13 of 33 AI crawlers blocked
Standards: Content Signals
Audience
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.79 / 10 · ranked #2,006,656 of all domains
13 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| INP | 75 ms |
| CLS | 0 |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 4.2 MB · 42 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Cloudflare (104.21.64.116, IPv6)
- DNS: Cloudflare DNS
- Email: Google Workspace
- Email security: no SPF record, no DMARC record
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Nov 2026
- Common Crawl link graph: rank 10,750,613, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.hrz.co.jp | 20 |
| hrz.co.jp | 11 |
Full technology history →
Report an incorrect detection
Recent changes
- detected PWA Aug 2026
- detected Express Jun 2026
- detected Google Cloud Trace Jun 2026
- detected Node.js Jun 2026
- dropped Envoy Feb 2026