What powers 
fcc-net.co.jp?
Last seen Sep 2026 · 21 technologies across 13 categories
Analytics
Caching
CDN
CMS
Databases
Font scripts
JavaScript libraries
Miscellaneous
Programming languages
Tag managers
Web servers
Webmail
WordPress plugins
AI Crawlers
Does not block any of the 33 AI crawlers we track in its robots.txt. Checked Oct 2026.
Training crawlers
- ClaudeBot Allowed
- Google-Extended Allowed
- GPTBot Allowed
Search and AI assistants
- PerplexityBot Allowed
The other 29 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Oct 2026 perplexitybot added to robots.txt
- Oct 2026 google-extended added to robots.txt
- Oct 2026 gptbot added to robots.txt
- Oct 2026 claudebot added to robots.txt
- Sep 2026 gptbot removed from robots.txt
- Sep 2026 claudebot removed from robots.txt
AI Crawlers
No AI crawlers blocked
Audience
- 57% desktop
- 42% phone
Japan
India
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.69 / 10 · ranked #361,529 of all domains
79 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- CDN: Cloudflare
- Weight: 10.3 MB · 54 requests
- Structured data: Microdata, OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- F.C.C.
- Founded: 1939
- Country: Japan
From Wikidata (CC0).
Infrastructure
- Email: no MX record returned, SPF names Microsoft 365
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Google Trust Services, ECDSA P256, expires Nov 2026
- Common Crawl link graph: rank 1,056,052, 2 hosts
- Verified with: Apple Business, Autodesk, Google, OpenAI
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| kyushu.fcc-net.co.jp | 15 |
| www.fcc-net.co.jp | 11 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Apache HTTP Server Sep 2026
- detected Cloudflare Aug 2026