aim-web-diff
# Baseline
npm run web-diff -- --url "https://example.com" --save-baseline /tmp/ex-base.json
# Compare later
npm run web-diff -- --url "https://example.com" --baseline /tmp/ex-base.json
echo $? # 0 same, 2 changed
# Two captures in one run
npm run web-diff -- --url "https://example.com" --interval-ms 5000