Google I/O

Google's annual developer conference, held in Mountain View, California, where Google announces products and runs technical sessions — including web platform and Web UI talks.

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Latest edition

May 2026

Location

Mountain View, United States

Format

Hybrid

Cadence

Annual

Organiser

Google

About Google I/O

Google I/O is Google's flagship annual developer conference, typically held in May at the Shoreline Amphitheatre near Google's Mountain View headquarters, with a live-streamed keynote and online sessions. It is principally a developer and platform conference rather than a design event.

Its connection to design comes through its web platform programming, which regularly includes sessions on CSS and web user interface work, such as talks on the state of CSS and what is new in web UI.