What powers heart-mamoru.jp?
Last seen Sep 2026 · 9 technologies across 7 categories
Analytics
Google Analytics
since Feb 2019
JavaScript libraries
Maps
Google Maps
since Dec 2022
Miscellaneous
SWFObject
since Jan 2022
Tag managers
Google Tag Manager
since Jan 2022
Video players
YouTube
since Dec 2021
Web servers
Nginx
since Jan 2022
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
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.52 / 10 · ranked #875,471 of all domains
31 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 3.4 MB · 108 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Sakura Internet (182.48.49.189)
- DNS: Google Cloud DNS
- Email: Sakura Internet
- Email security: SPF (hard fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 9,644,086
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted