
Audit any page against a 400-item front-end checklist
The Front-End Checklist is a free, open-source audit tool for shipping quality websites. Work through 400 items across 13 sections — accessibility, performance, SEO, security, privacy, testing, and more. Paste any public URL to run up to 246 automatic checks: a score, failures sorted High, Medium, Low, and one-click ticking into your checklist. Plus a free MCP server and agent skill, so your AI assistant can audit, explain failures, fix the code, and re-audit.
The Front-End Checklist is a free, open-source tool that audits web pages against a comprehensive 400-item checklist covering various aspects such as accessibility, performance, and SEO. Users can input any public URL to perform automated checks and receive detailed feedback on identified issues.
Pace needs two or more snapshots. This launch has 1, so velocity and momentum read as unmeasured rather than zero.
A source that found nothing is a measurement. A source that has not run is a gap. Neither means the launch lacks the thing.