Frontier is a multi-purpose, HTML5 and CSS3 WordPress theme by ronangelo.
https://ronangelo.com/frontier/
Frameworks · WordPress Theme
Get access to data on 56,348 websites that are Frontier Theme Customers. We know of 24,297 live websites using Frontier Theme and an additional 32,051 sites that used Frontier Theme historically and 10,517 websites in the United States.
Get a list of 56,348 websites using Frontier Theme which includes location information, hosting data, contact details, 24,297 currently live websites and an additional 1,596 domains that redirect to sites in this list. 32,051 sites that used this technology previously and 10,517 websites in the United States currently using Frontier Theme.