# Yarn start says successfully compiling but nothing at localhost:3000 and CSS not working

**URL:** https://discourse.roots.io/t/yarn-start-says-successfully-compiling-but-nothing-at-localhost-3000-and-css-not-working/12840
**Category:** sage
**Created:** 2018-07-04T18:12:09Z
**Posts:** 20
**Showing post:** 8 of 20

## Post 8 by @knowler — 2018-07-04T21:10:21Z

Do the changes ever show up? Are you on Windows? Is VirtualBox the hypervisor for Vagrant (VVV)? VBox is known to be slow on Windows if you are.

Confirm for me: accessing the website via the `devUrl` that you’ve specified in your `config.json` does bring you to the site (regardless of the state of the CSS). Also, confirm the same for `localhost:3000`.

Is just the CSS not working? Are there any Stylelint errors? Does running `yarn lint:styles` show any issues?

Is the `publicPath` shared above correct for your WordPress installation? You don’t happen to be doing anything with installing WordPress in a subdirectory or anything different.

Is your site being server with HTTPS? Is `https://` in `site_url` or `home`?

When using `yarn start` you are only accessing the site from the `proxyUrl`, correct?

Sorry for all the questions. I’m just trying to pin point what is wrong as according to your `config.json` everything should work.

There’s a bunch of stuff I usually try when troubleshooting the build process that I’ve collected here:

> [@Sage 9 browsersync not updating right](https://discourse.roots.io/t/sage-9-browsersync-not-updating-right/10648/11):
>
> That’s really weird. Usually this issue is non-existent for me in Valet environments — in fact, I’ll use Valet to avoid it. The difficulty with this issue, is that it isn’t just one issue, but the similar output leads people to think it is. This makes troubleshooting on the forum troublesome as I can see people in this thread describe symptoms of a few different issues. I don’t know if it will help you, but here are my debugging steps for issues for this sort: Make sure your development URL …

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