This extension provide preview of HTML which execute on web server. You can call these features from the context menu. The main features are as follows.
Preview on side panel: Open preview of HTML on side panel. With this feature, you can easely check the operation of HTML, CSS and JavaScriptLaunch on default browser: Open Web Page on default browser. You can check all operation with web page.

This extension contributes the following settings:
previewServer.port: Port number of the Web Server
Preview on side panel don't support CDN, Link etc.
publish to extension Marketplace.
Initial upload. This extension haven't registered to Marketplace, yet.