What powers 
gusuku.io?
Last seen Aug 2026 · 52 technologies across 27 categories
Advertising
Analytics
Caching
CDN
CMS
Cookie compliance
Databases
Font scripts
JavaScript frameworks
JavaScript libraries
Live chat
Marketing automation
Miscellaneous
PaaS
Payment processors
Performance
Programming languages
Reverse proxies
Security
Static site generator
Tag managers
UI frameworks
Video players
Web 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.
- robots.txt found
- llms.txt found
- ai.txt not found
- Sep 2026 * removed from robots.txt
- Sep 2026 * added to robots.txt
- Aug 2026 * removed from robots.txt
- Aug 2026 * added to robots.txt
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
- 100% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.73 / 10 · ranked #747,137 of all domains
38 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| INP | 125 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- CDN: Cloudflare
- Weight: 3.1 MB · 93 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Amazon Web Services (18.238.55.27)
- DNS: Amazon Route 53
- Email: Google Workspace
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 9,823,925, 22 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| customine.gusuku.io | 30 |
| support.gusuku.io | 30 |
| haisai.gusuku.io | 25 |
| docs-customine.gusuku.io | 20 |
| everysite.gusuku.io | 20 |
| docs.gusuku.io | 17 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Twitter Aug 2026
- dropped Fastly May 2026
- dropped Google Remarketing Tag May 2026
- dropped Facebook Apr 2026
- detected Microsoft Advertising Apr 2026
- detected Priority Hints Apr 2026
- detected Microsoft Clarity Feb 2026