What powers underdg.jp?
Last seen Jul 2026 · 30 technologies across 17 categories
Advertising
Twitter Ads
since Jul 2026
Analytics
Facebook Pixel
since Apr 2026
Google Analytics
since Jul 2026
Microsoft Clarity
since Jul 2026
TikTok Pixel
since Jul 2026
CDN
Cloudflare
since Apr 2026
Ecommerce
Cart Functionality
since Apr 2026
Shopify
since Apr 2026
Font scripts
Google Font API
since Apr 2026
Typekit
since Jul 2026
Hosting
Xserver
since Apr 2026
JavaScript frameworks
GSAP
since Jul 2026
JavaScript graphics
JavaScript libraries
Miscellaneous
HTTP/3
since Apr 2026
Open Graph
since Apr 2026
Payment processors
American Express
since Apr 2026
Apple Pay
since Apr 2026
Google Pay
since Apr 2026
Mastercard
since Apr 2026
PayPal
since Apr 2026
Shop Pay
since Apr 2026
Visa
since Apr 2026
Performance
Priority Hints
since Apr 2026
Security
Cloudflare Bot Management
since Jul 2026
HSTS
since Apr 2026
Shopify apps
Shopify Buy Button
since Jul 2026
Tag managers
Google Tag Manager
since Jul 2026
Video players
YouTube
since Jul 2026
Web servers
Nginx
since Jul 2026
AI Crawlers
Does not block any of the 33 AI crawlers we track in its robots.txt. Checked Sep 2026. A recent check saw a policy file missing; awaiting confirmation.
Training crawlers
- Applebot-Extended Allowed
- CCBot Allowed
- ClaudeBot Allowed
- Google-Extended Allowed
- GPTBot Allowed
- meta-externalagent Allowed
Search and AI assistants
- Amazonbot Allowed
- OAI-SearchBot Allowed
- PerplexityBot Allowed
User-request fetchers
- ChatGPT-User Allowed
- Claude-User Allowed
- Perplexity-User Allowed
The other 21 AI crawlers we track are not mentioned and stay allowed by default.
- robots.txt found
- llms.txt found
- llms-full.txt found
- ai.txt not found
- Sep 2026 chatgpt-user added to robots.txt
- Sep 2026 claude-user added to robots.txt
- Sep 2026 ccbot added to robots.txt
- Sep 2026 applebot-extended added to robots.txt
- Sep 2026 *: Allowed (was Restricted)
- Sep 2026 anthropic-ai added to robots.txt
Infrastructure
- Hosted on Cloudflare (23.227.38.65)
- Email: Google Workspace
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 98,182,350, 8 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| underdogprogamingmouse.underdg.jp | 19 |
| underdg.jp | 18 |