What powers 
openupgroup.co.jp?
Last seen Aug 2026 · 37 technologies across 21 categories
Analytics
CDN
CMS
CRM
Databases
Font scripts
Issue trackers
JavaScript frameworks
JavaScript libraries
Marketing automation
Miscellaneous
PaaS
Performance
Programming languages
Reverse proxies
Security
SEO
Tag managers
UI frameworks
Web servers
Webmail
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026. A recent check saw a policy file missing; awaiting confirmation.
- robots.txt found
- llms.txt found
- ai.txt not found
- Sep 2026 *: Allowed (was Restricted)
- Sep 2026 llms.txt appeared
- Sep 2026 *: Restricted (was Allowed)
- Aug 2026 *: Allowed (was Restricted)
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
- 69% desktop
- 31% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.69 / 10 · ranked #354,769 of all domains
55 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- CDN: Amazon CloudFront
- Weight: 19.1 MB · 114 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Amazon Web Services (13.249.96.42)
- DNS: Amazon Route 53
- Email: Microsoft 365
- Email security: no SPF record, no DMARC record
- SSL: Amazon Trust Services, RSA 2048, wildcard, expires Dec 2026
- Common Crawl link graph: rank 10,450,934, 6 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| note-goodwork.openupgroup.co.jp | 21 |
| openupgroup.co.jp | 19 |
| www.openupgroup.co.jp | 19 |
| goodwork.openupgroup.co.jp | 16 |
Full technology history →
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Recent changes
- detected Amazon CloudFront Jul 2026
- detected Amazon Web Services Jul 2026
- detected MySQL Feb 2026
- detected PHP Feb 2026
- detected WordPress Feb 2026
- detected Yoast SEO Feb 2026