playbook/antigravity-awesome-skills/skills/vercel-optimize/references/support-topics/astro-edge-middleware-scope.md

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---
id: astro-edge-middleware-scope
title: Astro edge middleware scope
status: active
candidateKinds: ["middleware_heavy"]
frameworks: ["astro@*"]
priority: 88
citations: ["https://vercel.com/docs/frameworks/frontend/astro", "https://docs.astro.build/en/guides/integrations-guide/vercel/"]
maxBriefChars: 800
---
## Investigation Brief
Astro middleware can run at the edge for broad request sets. If middleware volume is high, prove which paths actually need interception.
## Evidence To Check
Use middleware invocation share and top paths. Inspect adapter middleware mode, middleware source, auth/redirect logic, and whether static assets, prerendered pages, or public pages are being intercepted.
## Do Not Recommend When
Do not bypass required auth, locale, header, or routing logic. Do not move global middleware work into every page when the current scope is already minimal.
## Verification
Name the middleware share, dominant paths, current middleware mode, and exact source or config line to narrow.