A safe way for AI to build UIs your app can render
Source month: September 2026 · Source: Similarweb estimate
These are estimated visits to the independent product website, not users, customers, revenue, or product quality.
Data status: Valid estimate · Updated: 2026-10-06
Current Estimated Visits
59.1K
Previous Estimated Visits
68.8K
Absolute Gain
-9717
Monthly Growth
-14.1%
A2UI is an open protocol by Google enabling agents to generate rich, interactive UIs. Instead of risky code execution, agents send declarative JSON that clients render natively (Flutter/Web/Mobile). Secure, framework-agnostic, and designed for LLMs.
A2UI is an open protocol by Google enabling agents to generate rich, interactive UIs. Instead of risky code execution, agents send declarative JSON that clients render natively (Flutter/Web/Mobile). Secure, framework-agnostic, and designed for LLMs.
Similarweb estimates that a2ui.org received approximately 59.1K website visits in September 2026. Its estimated global website rank was #432,914. This measures website visits, not users, customers, revenue, or product quality.
Yes, A2UI is free to use.
These tools share a topic with A2UI: Google Whisk 2.0, TestSprite 1.0, Ash , Capalyze. Open each profile to review its available information and official site.
Avg. Duration
55s
Pages per Visit
4.33 pages
Bounce Rate
36.9%
Category Rank
N/A
Global Rank
#432,914
Rank
#333,263
Domain Created
Oct 16, 2025
Domain Age
1.0 years