What powers 
proteca.jp?
Last seen Oct 2026 · 11 technologies across 7 categories
Advertising
Google Ads
since Mar 2024
Analytics
Google Ads Conversion Tracking
since Mar 2024
CDN
Google Hosted Libraries
since Feb 2022
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Tag managers
Google Tag Manager
since Jun 2023
Video players
YouTube
since Mar 2021
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
- 72% phone
- 26% desktop
- 2% tablet
Japan
United States
Australia
Hong Kong SAR China
Canada
Taiwan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.03 / 10 · ranked #549,078 of all domains
55 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Weight: 14.9 MB · 129 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on IDCF - IDC Frontier Inc. (103.241.128.242)
- DNS: domainserver.ne.jp
- Email: securemx.jp
- Email security: SPF (hard fail), no DMARC record
- SSL: GlobalSign, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 9,334,494, 2 hosts
- Verified with: Microsoft 365
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted