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Author name: Garrett Mehrguth

Garrett Mehrguth is the founder and CEO of Directive. Since founding the agency in 2013, he has driven its international expansion into the UK, Canada and LATAM and grown the team to over 130 professionals serving clients like Dropbox, AWS and Gong. A recognized thought leader, he contributes to publications such as Salesforce, Moz and HubSpot and speaks at events including Digital Summit, SMX and MozCon.

Garrett Mehrguth
CRO

What is A/B Testing in Digital Marketing?

A/B testing is one of the most important elements of conversion rate optimization, but what is A/B testing in digital marketing exactly? How do tech marketers use it to increase their landing page conversion rates and achieve better campaign ROI? Here’s a quick resource on A/B testing in tech marketing.

Paid Media, PPC

Top 10 Most Popular Google Display Ad Sizes in 2025

To optimize your next PPC display campaign, it’s important that you choose the top-performing ad sizes with ad placements that are most likely to generate impressions and conversions for your campaign. You’ll need to choose a variety of sizes and include both text and image ads for desktop and mobile devices. Find out the optimal mix.