Performance marketing lives in a world of relentless optimization. Every element—landing page design, copy, imagery, calls-to-action, targeting parameters—i ...

Advertisers looking to optimize their performance have long used A/B testing to improve their ads. It’s well understood how this is done with expanded text ads (ETAs). But recently, Google has ...

U.K.-based marketing services company System1 has a new tool that it says lets advertisers predict the commercial impact of audio ads. The tool is part of the company ...