What powers rankingmaster.jp?
Last seen Sep 2026 · 17 technologies across 13 categories
Analytics
Google Analytics
since Oct 2021
CDN
CMS
WordPress
since Oct 2021
Databases
MySQL
since Oct 2021
Ecommerce
Shopify
since Apr 2023
Font scripts
Font Awesome
since Jan 2022
IaaS
Google Cloud
since Jan 2022
JavaScript libraries
Miscellaneous
HTTP/3
since Sep 2022
Open Graph
since Sep 2022
Performance
Google Cloud Trace
since Jan 2023
Programming languages
PHP
since Oct 2021
Security
HSTS
since Apr 2023
Web servers
Nginx
since Oct 2021
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
- Oct 2026 * removed from robots.txt
- Oct 2026 amazonbot removed from robots.txt
- Oct 2026 applebot-extended removed from robots.txt
- Oct 2026 meta-externalagent removed from robots.txt
- Oct 2026 bytespider removed from robots.txt
- Oct 2026 ccbot removed from robots.txt
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.08 / 10 · ranked #1,460,158 of all domains
20 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.3 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- CDN: Cloudflare, Google
- Weight: 53.3 MB · 126 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Sakura Internet (49.212.180.100)
- DNS: Cloudflare DNS
- Email: Sakura Internet
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Dec 2026
- Common Crawl link graph: rank 17,990,365, 5 hosts
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| shop.rankingmaster.jp | 12 |
| www.rankingmaster.jp | 9 |
| shopify.rankingmaster.jp | 6 |