What powers duelduck.com?
Last seen Sep 2026 · 19 technologies across 9 categories
Analytics
CDN
Development
JavaScript frameworks
Miscellaneous
Performance
Programming languages
Security
Webmail
AI Crawlers
Blocks 4 of 33 AI crawlers we track by name in its robots.txt. Checked Sep 2026.
Training crawlers
- Bytespider Blocked
- CCBot Blocked
- Webzio-Extended Blocked
- Applebot-Extended Allowed
- ClaudeBot Allowed
- cohere-training-data-crawler Allowed
- Diffbot Allowed
- FacebookBot Allowed
- Google-CloudVertexBot Allowed
- Google-Extended Allowed
- GPTBot Allowed
Search and AI assistants
- Amazonbot Blocked
- PerplexityBot Allowed
User-request fetchers
- ChatGPT-User Allowed
The other 19 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt found
- ai.txt not found
AI Crawlers
4 of 33 AI crawlers blocked
Standards: llms.txt
Audience
- 63% phone
- 37% desktop
Nigeria
India
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.00 / 10 · ranked #12,543,768 of all domains
7 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.3 s |
| INP | 225 ms |
| CLS | 0.7 |
| TTFB | 1000 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 38.6 MB · 1,190 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
From the homepage's own structured data (Sep 2026).
Subdomains
| Host | Techs |
|---|---|
| duelduck.com | 15 |
| x.duelduck.com | 10 |
| app.duelduck.com | 7 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Contentsquare Jul 2026
- dropped Swiper Jul 2026
- dropped Twitter Ads Jul 2026
- detected Contentsquare Apr 2026
- detected Turbopack Apr 2026
- detected Twitter Ads Apr 2026
- dropped Firebase Mar 2026
- dropped lit-element Mar 2026
- dropped lit-html Mar 2026
- dropped Turbopack Mar 2026
- detected PWA Feb 2026
- detected Turbopack Jan 2026
- dropped Cloudflare Bot Management Dec 2025
- detected Cloudflare Browser Insights Nov 2025