Update period – you can choose update period from 1 hour to 1 month.
The default setting is 1 day and that is the recommended optimal period for update of the data. If you choose shorter update period that may slow down your site, because calls to the social networks will be send more often. That consume loading resources and affect the speed of your site.
Number format – choose how the number will be displayed at your Followers counter.
Allow user values – turn on that option to set manual counter values.
Social Networks – tick off the network you want to display at your Followers counter. You can rearrange the order with drag and drop.