What powers 
dac-group.co.jp?
Last seen Sep 2026 · 28 technologies across 18 categories
Analytics
CDN
CMS
Databases
Font scripts
Issue trackers
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Miscellaneous
Performance
Programming languages
Reverse proxies
Security
Tag managers
UI frameworks
Web servers
WordPress plugins
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. A recent check saw a policy file missing; awaiting confirmation.
- robots.txt found
- llms.txt found
- ai.txt not found
- Oct 2026 llms.txt appeared
- Oct 2026 llms.txt removed
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
- 77% desktop
- 23% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.87 / 10 · ranked #679,825 of all domains
44 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 7.0 MB · 177 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- 株式会社DACホールディングス
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Xserver (85.131.210.72)
- DNS: xbiz.ne.jp
- Email: dac-group.co.jp
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 8,581,955, 2 hosts
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| note.dac-group.co.jp | 16 |
| www.dac-group.co.jp | 14 |
Full technology history →
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Recent changes
- dropped Howler.js Sep 2026
- dropped Amazon Web Services Aug 2026
- dropped Cloudflare Jul 2026
- dropped Cloudflare Bot Management Jul 2026
- dropped Facebook Login Jul 2026
- dropped jQuery Jul 2026
- dropped Twitter Jul 2026
- dropped Twitter Ads Jul 2026
- dropped Vue.js Jul 2026
- detected All in One SEO Jun 2026
- detected anime.js Jun 2026
- detected Contact Form 7 Jun 2026
- detected Google Font API Jun 2026
- detected jsDelivr Jun 2026
- detected MySQL Jun 2026
- detected PHP Jun 2026
- detected Swiper Jun 2026
- detected WordPress Jun 2026
- detected WP-PageNavi Jun 2026
- detected Cloudflare May 2026
- detected Cloudflare Bot Management May 2026
- dropped Svelte Jan 2026
- dropped Cloudflare Nov 2025
- dropped Cloudflare Bot Management Nov 2025