Click-Through Rate (CTR) is a metric in internet marketing, being a key indicator of how well an online advertisement, email campaign, or webpage performs in terms of attracting user engagement. This article explores the ctr ctr, its importance, how it is calculated, factors affecting CTR, and methods to improve it. http://butlerchilder.jigsy.com/entries/general/Understanding-ClickThrough-Rate-CTR-A-Comprehensive-Guide%0A