Drive Chrome or Firefox (Puppeteer), or profile Node in-process, to attribute layout, style, and paint work, rendering counts, CPU self-time, and allocation back to source lines, with isolated timing and CI gating
jantimon/web-performance-debugger
Instructions file CodexOpenCode
AGENTS.md instructions for jantimon/web-performance-debugger, covering driving wpd from an agent, the loop, output, reading the numbers: three traps and exit codes and refusals: treat the refusal as the answer.
jantimon/web-performance-debugger
Instructions file
Claude Code instructions for jantimon/web-performance-debugger, covering claude.md, what this is, commands, architecture and two execution modes (this is the central design fork).