What powers 
hakusan-mfg.co.jp?
Last seen Sep 2026 · 38 technologies across 21 categories
Analytics
CDN
CMS
Cookie compliance
Databases
Font scripts
Hosting
IaaS
Issue trackers
JavaScript frameworks
JavaScript libraries
Marketing automation
Miscellaneous
Performance
Programming languages
Security
SEO
Tag managers
UI frameworks
Web servers
Webmail
AI Crawlers
Blocks 1 of 33 AI crawlers we track by name in its robots.txt. Checked Oct 2026.
Search and AI assistants
- PetalBot Blocked
The other 32 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt found
- ai.txt not found
- Sep 2026 llms.txt appeared
- Sep 2026 petalbot added to robots.txt
AI Crawlers
1 of 33 AI crawlers blocked
Standards: llms.txt
Audience
- 64% desktop
- 36% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.99 / 10 · ranked #577,372 of all domains
44 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- Weight: 20.8 MB · 178 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- 株式会社白山 (Hakusan Inc. on Wikidata)
- Founded: 1947
- Sector: optical communication
- Country: Japan
- Profiles: X, LinkedIn
From the homepage's own structured data (Sep 2026) and Wikidata (CC0).
Infrastructure
- Hosted on Xserver (103.141.96.126)
- DNS: Xserver
- Email: Microsoft 365
- Email security: SPF (hard fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 11,335,285, 4 hosts
- Verified with: Microsoft 365, Sophos
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| hakusan-mfg.co.jp | 26 |
| recruit.hakusan-mfg.co.jp | 19 |
| www.hakusan-mfg.co.jp | 8 |
Full technology history →
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Recent changes
- dropped Microsoft Advertising Sep 2026
- dropped Envoy Feb 2026
- detected Envoy Dec 2025
- detected Twitter Emoji (Twemoji) Dec 2025