VBC-024: autoplay-video-unmuted

error

Category: ux-dx
Analysis: Regex (whole file)
File types: .html, .js, .ts, .tsx, .jsx, .astro
Scope: source code only, ignoring anything inside strings and comments
Tags: ux accessibility

What it reports

Autoplay video without the muted attribute at line {line}. Autoplaying audio is one of the most hostile UX patterns: it embarrasses users in quiet environments, eats mobile data, and is blocked by most browsers anyway. Add muted or remove autoplay.

Flagged

<video autoplay src="clip.mp4"></video>

Not flagged

<video autoplay muted src="clip.mp4"></video>

<video controls></video>

Pattern

<video[^>]*\bautoplay(?![^>]*\bmuted\b)[^>]*>