Chrome's Lighthouse Adds Baseline Features Audit to Flag Browser Compatibility Risks

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Google's Lighthouse tool has introduced a Baseline Features audit under its Best Practices category, giving developers a diagnostic view of which web platform features their pages use and how broadly those features are supported across browsers. The audit detects feature IDs, assigns each a Baseline status — Limited availability, Newly available, or Widely available — and links to support documentation on webstatus.dev. It also flags compatibility issues originating from third-party scripts, tag managers, and browser extensions, not just first-party code. Developers are advised to treat the audit output as a risk-labeled inventory rather than a pass/fail threshold, since a strong Performance score does not indicate cross-browser interoperability. The 'Widely available' status is considered a safe default for most public-facing sites, while 'Newly available' features may be acceptable when progressive enhancement is in place or the target audience is known.

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ProgrammingDEV Community ·

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ProgrammingDEV Community ·

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ProgrammingDEV Community ·

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