What powers 
js-phlebology.jp?
Last seen Sep 2026 · 12 technologies across 11 categories
Analytics
Google Analytics
since Feb 2020
CDN
Google Hosted Libraries
since Feb 2022
CMS
WordPress
since Feb 2020
Databases
MySQL
since Feb 2020
Font scripts
Hosting
Sakura Internet
since Aug 2022
JavaScript libraries
Miscellaneous
RSS
since Dec 2022
Programming languages
UI frameworks
Animate.css
since Feb 2020
Web servers
Nginx
since Feb 2020
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Oct 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 55% desktop
- 45% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.97 / 10 · ranked #593,450 of all domains
40 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 0.7 MB · 25 requests
- Structured data: Microdata
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Sakura Internet (49.212.235.236)
- DNS: Sakura Internet
- Email: js-phlebology.jp
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 6,915,233, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted