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js-redirects

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Use when auditing slow page loads, heavy assets, or rendering delays related to Avoid JavaScript-based redirects. Verify the actual bottleneck in DevTools, Lighthouse, or field data before recommending changes.

skills/js-redirects/SKILL.md

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# Avoid JavaScript-based redirects

JavaScript redirects force an additional round-trip after the initial page load, significantly increasing the time users spend waiting for content.

## Quick Reference

- Use 301 or 302 server-side redirects instead of `window.location`
- JS redirects delay page load as the browser must first download and execute the script
- Client-side redirects can negatively impact SEO and indexability

## Check

Check the project for instances where JavaScript is being used for page-level redirects (e.g., window.location).
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