If you're deploying your Preact app with preact-router to Netlify, you may find that trying to access anything other than the root of your website (e.g.
foo.netlify.com/bar) will give you a "Page not found" error.
The recommended approach is to create a
build/_redirects file and add this line:
However if this doesn't work for you (it didn't for me), then create a
redirects.txt file in your root folder, and add the following to your build command in Netlify:
npm run build && cp redirects.txt build/_redirects