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Oct 19, 2025
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404 Page Navigation #995

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Add note about trailing slashes in local development to technical ove…
hxrshxz Oct 10, 2025
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Merge branch 'processing:main' into error-404
hxrshxz Oct 10, 2025
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Merge branch 'main' into error-404
hxrshxz Oct 14, 2025
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8 changes: 8 additions & 0 deletions docs/technical_overview.md
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Expand Up @@ -20,6 +20,14 @@ Running this will start up a local dev server and print out the address in your
npm run dev
```

### A Note About Trailing Slashes in Development

When testing locally with `npm run dev`, you may encounter 404 errors when navigating to pages like `/examples`, `/tutorials`, `/reference`, `/contribute`, or `/community` without a trailing slash. This is expected behavior during local development.

The site is configured with `trailingSlash: "always"` in `astro.config.mjs`, meaning all URLs should end with a `/`. In production on https://p5js.org, the server automatically redirects URLs to add the trailing slash, so `https://p5js.org/examples` becomes `https://p5js.org/examples/`. However, the local dev server does not handle these redirects.

If you see a 404 error during local development, simply add a trailing slash to the URL in your browser (e.g. change `/examples` to `/examples/`).

## File Organization

The website code is divided into a few main folders:
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