What powers 
seiki.co.jp?
Last seen Aug 2026 · 16 technologies across 10 categories
Advertising
Google Ads
since Feb 2023
Yahoo Advertising
since Apr 2022
Analytics
Google Ads Conversion Tracking
since Jul 2021
Google Analytics
since Jan 2019
CDN
Cloudflare
since Nov 2021
Google Hosted Libraries
since Feb 2022
Font scripts
Font Awesome
since Jan 2019
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2024
Security
Cloudflare Bot Management
since Nov 2021
Tag managers
Google Tag Manager
since May 2021
Web servers
Apache HTTP Server
since Jan 2019
Widgets
Wheelio
since Sep 2021
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 71% phone
- 29% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.69 / 10 · ranked #351,732 of all domains
52 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.5 s |
| INP | 150 ms |
| CLS | 0 |
| TTFB | 1300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Weight: 5.8 MB · 236 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Seiki
- Founded: 1962
- Country: Japan
From Wikidata (CC0).
Infrastructure
- Hosted on OPTAGE OPTAGE Inc. (103.199.132.43)
- DNS: namegear.co
- Email: seiki.co.jp
- Email security: SPF (soft fail), DMARC monitor only
- SSL: JPRS, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 10,380,189, 6 hosts
- Verified with: Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.seiki.co.jp | 14 |
| saigai.seiki.co.jp | 5 |