What powers puzzcore.com?
Last seen Aug 2026 · 13 technologies across 11 categories
Advertising
CDN
Cookie compliance
Font scripts
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Miscellaneous
Programming languages
Security
Web servers
AI Crawlers
Blocks 11 of 33 AI crawlers we track by name in its robots.txt. Checked Sep 2026.
Training crawlers
- CCBot Blocked
- ClaudeBot Blocked
- Google-Extended Blocked
- GPTBot Blocked
Search and AI assistants
- Amazonbot Blocked
- Claude-SearchBot Blocked
- OAI-SearchBot Blocked
- PerplexityBot Blocked
User-request fetchers
- ChatGPT-User Blocked
- Claude-User Blocked
- Perplexity-User Blocked
The other 22 AI crawlers we track are not mentioned and stay allowed by default.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Sep 2026 claude-searchbot added to robots.txt
- Sep 2026 claude-user added to robots.txt
- Sep 2026 perplexitybot added to robots.txt
- Sep 2026 oai-searchbot added to robots.txt
- Sep 2026 chatgpt-user added to robots.txt
- Sep 2026 perplexity-user added to robots.txt
AI Crawlers
11 of 33 AI crawlers blocked
Audience
- 93% desktop
- 7% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
0.74 / 10 · ranked #18,189,475 of all domains
5 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 3.1 MB · 99 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Aug 2026.
Full technology history →
Report an incorrect detection
Recent changes
- dropped Apache HTTP Server May 2026
- dropped CentOS May 2026
- detected Nginx Feb 2026
- dropped A8.net Jan 2026
- dropped Funding Choices Jan 2026
- dropped Google AdSense Jan 2026
- dropped Google Analytics Jan 2026
- dropped Google Font API Jan 2026
- dropped Google Tag Manager Jan 2026
- dropped jQuery Jan 2026
- dropped Open Graph Jan 2026
- dropped PHP Jan 2026
- dropped PIXIjs Jan 2026
- dropped reCAPTCHA Jan 2026