What powers 
roboticsnotes.jp?
Last seen Oct 2026 · 14 technologies across 11 categories
Advertising
Twitter Ads
since Jun 2021
Analytics
Google Analytics
since Jan 2019
CDN
Font scripts
Google Font API
since Jan 2019
Hosting
Xserver
since May 2025
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Security
Cloudflare Bot Management
since Mar 2025
Tag managers
Google Tag Manager
since Jan 2019
Web servers
Nginx
since May 2025
Widgets
Twitter
since Jan 2019
AI Crawlers
robots.txt could not be read at the last check (Nov 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
AI Crawlers
Policy unknown
Audience
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.45 / 10 · ranked #953,381 of all domains
45 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 75 ms |
| CLS | 0.25 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 5.9 MB · 108 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Xserver (85.131.207.146)
- DNS: Xserver
- Email: no MX record returned
- SSL: Let's Encrypt, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 1,218,692
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare Bot Management May 2026