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perf: home critical CSS + deferred scripts (LCP) - #30
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Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
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Inline only above-the-fold CSS (head 123 KB -> 36 KB), async remainder with noscript fallback, footer/health/analytics scripts after load/idle (Clarity on interaction), fonts registered once in critical CSS. Worker routing untouched.
Mobile Lighthouse 12.8.2, median of 3: live perf 84 (82-87), LCP 3.9 s (3.6-4.3), CLS 0. Local gzip build of landing-astro/dist: perf 100 (100x3), LCP 1.5 s, a11y 100, BP 96, SEO 100, TBT 0, CLS 0. Not deployed: AGENTS.md requires asking before pnpm deploy; post-deploy gate (SEO/GEO/routes) still to run.
Codex drafted; supervised by Claude.
🤖 Generated with Claude Code