Makes sharing on Google+ easy
https://developers.google.com/+/plugins/share/
Widgets
Get access to data on 434,448 websites that are Google Plus One Share Button Customers. We know of 71,248 live websites using Google Plus One Share Button and an additional 363,200 sites that used Google Plus One Share Button historically and 53,650 websites in the United States.
No awards yet.
Get a list of 434,448 websites using Google Plus One Share Button which includes location information, hosting data, contact details, 71,248 currently live websites and an additional 37,393 domains that redirect to sites in this list. 363,200 sites that used this technology previously and 53,650 websites in the United States currently using Google Plus One Share Button.