In 1923, Claude Hopkins told advertisers to stop judging ads by how clever they looked and start counting the sales…

Pepsi pulled its Kendall Jenner ad a day after it went live. Quibi raised $1.75 billion and shut down about…

Getting traffic to a page is the easier half of the work. Turning that traffic into leads, sales or signups…

A click map can show you that visitors keep tapping a product photo that isn’t a link, or that most…