Click-through rate (CTR) is the number of users who click on a specific link out of the total users who view a page, email, or advertisement.mail click-through rate is expressed as a percentage, and calculated by dividing the number of click throughs by the number of tracked messages delivered. Most email marketers use this metrics along with open rate, bounce rate and other metrics, to understand the effectiveness and success of their email campaign.
Moonbat is a pejorative political epithet used in United States politics, referring to liberals, progressives, or leftists.
From moon +â bat, first used in the 1940s by the science-fiction writer Robert Heinlein, then used in the term barking moonbat coined in 1999 by Perry de Havilland of âThe Libertarian Samizdataâ, a right-libertarian weblog. This originally referred to both leftwing and rightwing crazy people.