What powers 
digital-construction.jp?
Last seen Sep 2026 · 11 technologies across 7 categories
Analytics
Google Analytics
since Jan 2021
Microsoft Clarity
since Oct 2025
Authentication
Facebook Login
since Jul 2021
Mailgun
since Aug 2022
JavaScript libraries
Miscellaneous
Tag managers
Google Tag Manager
since Jan 2021
Web servers
Nginx
since Jan 2021
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 Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 77% phone
- 22% desktop
- 2% tablet
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.44 / 10 · ranked #963,306 of all domains
31 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.3 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 9.2 MB · 163 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on ACROSS Dream Wave Shizuoka Co. Ltd. (133.88.3.104)
- DNS: Google Cloud DNS
- Email: zigsow.jp
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, ECDSA P384, expires Nov 2026
- Common Crawl link graph: rank 8,298,166
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted