What is the version.json file

The version.json file just contains a small block of json with a version number in it.

{
    "version": 123
}

The extension periodically downloads it from https://raw.githubusercontent.com/grantwinney/hide-comments-everywhere/master/sites/version.json, to see if a new version is available. If there is one, then it downloads the full sites.json file.

Doing it this way, instead of just downloading the sites.json file periodically and storing it, is faster and saves bandwidth.