What powers f16.jp?
Last seen Oct 2026 · 33 technologies across 20 categories
Advertising
Google AdSense
since Jul 2019
Affiliate programs
Moshimo
since Sep 2022
Analytics
Google Analytics
since Jul 2019
Quantcast Measure
since Jun 2022
Caching
W3 Total Cache
since Feb 2023
CDN
cdnjs
since Jun 2022
Cloudflare
since Jun 2022
Google Hosted Libraries
since Jun 2022
jsDelivr
since Jun 2022
CMS
WordPress
since Jul 2019
Databases
MySQL
since Jul 2019
Font scripts
Font Awesome
since Jul 2019
Google Font API
since Jun 2022
Hosting
Sakura Internet
since Aug 2022
JavaScript frameworks
AMP
since Feb 2023
JavaScript libraries
Miscellaneous
Performance
Priority Hints
since Oct 2023
Programming languages
Security
reCAPTCHA
since Dec 2022
Tag managers
Google Tag Manager
since Sep 2021
UI frameworks
Video players
Web servers
Nginx
since Jul 2019
WordPress plugins
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.72 / 10 · ranked #4,848,919 of all domains
5 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.8 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 1100 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 6.9 MB · 84 requests
- Structured data: Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Sakura Internet (210.224.185.16, IPv6)
- DNS: Sakura Internet
- Email: f16.jp
- Email security: SPF (soft fail), DMARC quarantine
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 10,532,285, 4 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| ekisoba.f16.jp | 25 |
| blog.f16.jp | 23 |
| honoka.f16.jp | 23 |