The page is available only when the LiveEdit plugin is installed and enabled. The plugin is not bundled with PhpStorm, but it can be installed from the JetBrains plugin repository as described in Managing Plugins.
Update Node.js application on change
Update application in Chrome
Select this checkbox to enable on-the-fly preview of HTML and CSS.
On change in
Highlight current element in browser on caret change
When this checkbox is selected, the current element is highlighted when you move the cursor. Otherwise, during a debugging session, you have to hold Shift and click the element to highlight.
Restart if hotswap fails
| Select this checkbox to have PhpStorm restart the server if automatic upload of changes to the client-side code fails. |