What powers qfk.co.jp?
Last seen Aug 2026 · 12 technologies across 9 categories
Analytics
Google Analytics
since Apr 2019
Microsoft Clarity
since May 2023
CMS
Databases
MySQL
since Apr 2019
Font scripts
Twitter Emoji (Twemoji)
since Apr 2019
JavaScript libraries
Programming languages
PHP
since Apr 2019
Tag managers
Google Tag Manager
since Apr 2019
Web servers
Apache HTTP Server
since Apr 2019
Webmail
Apple iCloud Mail
since Jan 2026
Microsoft 365
since May 2023
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 89% phone
- 11% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.05 / 10 · ranked #1,502,408 of all domains
12 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 100 ms |
| CLS | 0.05 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 7.9 MB · 68 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on ASJ ASJ INC. (219.118.195.253)
- Email: Microsoft 365
- Email security: no SPF record, no DMARC record
- Common Crawl link graph: rank 11,910,236, 2 hosts
DNS records as swept Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| qfk.co.jp | 12 |
| www.qfk.co.jp | 11 |
Full technology history →
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Recent changes
- detected Apple iCloud Mail Jan 2026