A counter to show how many reads a page as got.
https://wordpress.org/plugins/count-per-day/
Widgets · WordPress Plugins
Get access to data on 198,190 websites that are Count per Day for WordPress Customers. We know of 74,429 live websites using Count per Day for WordPress and an additional 123,761 sites that used Count per Day for WordPress historically and 30,399 websites in the United States.
Get a list of 198,190 websites using Count per Day for WordPress which includes location information, hosting data, contact details, 74,429 currently live websites and an additional 12,904 domains that redirect to sites in this list. 123,761 sites that used this technology previously and 30,399 websites in the United States currently using Count per Day for WordPress.