What powers masuken-ts.co.jp?
Last seen Oct 2026 · 19 technologies across 14 categories
Analytics
Google Analytics
since Aug 2024
Microsoft Clarity
since Aug 2024
Authentication
Facebook Login
since Jul 2021
CMS
Databases
MySQL
since Apr 2019
Font scripts
Google Font API
since May 2025
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
RSS
since Dec 2022
Page builders
WordPress Block Editor
since May 2025
Performance
Priority Hints
since May 2025
Programming languages
PHP
since Apr 2019
Security
reCAPTCHA
since May 2025
Web servers
Nginx
since Apr 2019
WordPress plugins
WordPress themes
Lightning
since May 2025
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. 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
1.74 / 10 · ranked #4,721,654 of all domains
5 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.1 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 1100 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 12.4 MB · 152 requests
- WordPress theme: lightning (child: mts-theme) · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- MTS Tennis Arena 三鷹
- Profiles: Facebook
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Sakura Internet (219.94.163.156)
- Email: nospamcloud.com
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 14,047,567
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted