Fact · Dictation in your apps
The W3C TAG review of the on-device Web Speech feature names the potential for fingerprinting as its primary risk.
Checked against its source on October 17, 2026
In the source's own words
“The primary risk of this new functionality is the potential for fingerprinting.”
On-device Web Speech API: W3C TAG review request (design-reviews #1038), W3C Technical Architecture Group (review request), 2025, Security and privacy section.
Open the original- What it measures
- The review request, design-reviews issue 1038, as mirrored on GitHub and read on 2026-10-17.
- What it does not show
- Fingerprinting means a site uses a combination of signals to identify a visitor. The review describes the mitigation it proposed in its own section.