What powers senlights.co.jp?
Last seen Sep 2026 · 19 technologies across 12 categories
Analytics
Google Analytics
since Jul 2020
CDN
jQuery CDN
since Sep 2022
Unpkg
since Sep 2022
CMS
Databases
MySQL
since Jul 2020
Font scripts
Font Awesome
since Jul 2020
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Programming languages
PHP
since Jul 2020
Tag managers
Google Tag Manager
since Jul 2020
UI frameworks
Pure CSS
since Jul 2020
Web servers
Apache HTTP Server
since Jul 2020
WordPress plugins
Draftpress HFCM
since Sep 2022
WP-PageNavi
since Sep 2022
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 checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Audience
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.77 / 10 · ranked #4,546,959 of all domains
6 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.1 s |
| CLS | 0 |
| TTFB | 1600 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 5.2 MB · 55 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- セン特殊光源株式会社
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on AICS Otsuka Corp. (157.205.188.68)
- DNS: alpha-prm.jp
- Email: alpha-prm.jp
- Email security: SPF (soft fail), DMARC monitor only
- Common Crawl link graph: rank 26,088,609, 2 hosts
DNS records as swept Aug 2026. How the web is hosted