Welcome to the detailed analysis for app.21st.dev. This domain is officially recognized as React Component Library — 10,000+ Crafted UI Components | 21st.dev | 21st. According to their official web presence, their primary focus is: "Community registry of 10,000+ hand-crafted React and Tailwind CSS components and templates. Preview live, install with one command — for you and your AI agent.".
"10,000+ crafted React & Tailwind CSS components. Built by real design engineers."
"Every component ships as a prompt. One copy — and it builds itself in whatever tool you live in."
"React + Tailwind, shadcn/ui conventions — every component is source that lands in your repo, yours to edit."
"Bookmark any component into your lists — personal or team-shared — and pull it back up in one click."
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Yes, according to our latest analysis, we detected a valid SSL certificate ensuring a secure connection.
As of July 23, 2026, app.21st.dev holds an estimated domain authority score of 52/100 based on our VisitRank tracking algorithms.
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Common Misspellings & Typo Domains for app.21st.dev: