Jefferson supports Jetpack integration for a number of features. Install it if you have not already.
1. Install the Plugin
Go to Plugins, search for Jetpack - then install and activate it.
You will need to register with wordpress.com (free) and connect your site to the account. Basic Jetpack usage is free.
2. Activate the Sharing Buttons
Go to Jetpack > Settings and search for 'sharing'.
Flick the tab to switch this module on and it will turn blue. Set it up like the screenshot below.
3. Enable the Buttons
Go to Settings > Sharing to set up which sharing buttons you'd like to use.
Drag the services from 'Available' over to 'Enabled'.
At the bottom of the screen:
- Select Icon + text for the Button Style
Ensure 'Show buttons on' - Posts is ticked.
