What powers 
art-sightama.jp?
Last seen Oct 2026 · 23 technologies across 14 categories
Analytics
Google Analytics
since Apr 2020
CMS
microCMS
since Sep 2026
JavaScript frameworks
JavaScript libraries
Swiper
since Oct 2022
Maps
Google Maps
since Sep 2026
Miscellaneous
Open Graph
since Oct 2022
Webpack
since Sep 2026
Operating systems
UNIX
since Jan 2021
Programming languages
Security
HSTS
since Oct 2022
Tag managers
Google Tag Manager
since Apr 2020
UI frameworks
Tailwind CSS
since Sep 2026
Video players
YouTube
since Sep 2026
Web server extensions
Web servers
Apache HTTP Server
since Apr 2020
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Nov 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Oct 2026 robots.txt appeared
- Oct 2026 * added to robots.txt
AI Crawlers
No AI crawlers blocked
Audience
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.49 / 10 · ranked #908,463 of all domains
37 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| CLS | 0.1 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 23.5 MB · 73 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on UCOM - ARTERIA Networks Corporation (113.41.203.60)
- DNS: Onamae.com
- Email: Sakura Internet
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 1,088,707, 2 hosts
- Verified with: Google
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| 2023.art-sightama.jp | 16 |
| art-sightama.jp | 12 |