What powers 
diamondhr.co.jp?
Last seen Jul 2026 · 25 technologies across 16 categories
Analytics
Google Analytics
since Feb 2019
CDN
CMS
Databases
MySQL
since Nov 2022
Font scripts
Google Font API
since Nov 2022
JavaScript frameworks
JavaScript libraries
Swiper
since Nov 2022
Miscellaneous
Open Graph
since Nov 2022
Performance
LazySizes
since Apr 2023
Programming languages
PHP
since Feb 2019
Security
reCAPTCHA
since Jun 2026
SEO
Tag managers
Google Tag Manager
since Jan 2023
Web servers
Nginx
since Nov 2022
Webmail
Apple iCloud Mail
since Nov 2023
Google Workspace
since Aug 2022
WordPress plugins
Autoptimize
since Apr 2023
EWWW Image Optimizer
since Apr 2023
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 Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 100% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.41 / 10 · ranked #998,315 of all domains
30 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.8 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 3100 ms |
Real user p75, Chrome UX Report, Aug 2026.
Infrastructure
- Hosted on Sakura Internet (219.94.129.144)
- DNS: Onamae.com
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 2,383,981, 2 hosts
- Verified with: Apple Business, Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- detected reCAPTCHA Jun 2026