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Melissa Mackey

Melissa Mackey

Head of Paid Search @ Compound Growth Marketing

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About

Melissa Mackey is currently Head of Paid Search at Compound Growth Marketing. A PPC professional since 2002, Mackey specializes in B2B paid search, paid social, and PPC strategy.

She helps companies find innovative ways to improve their ROI from paid search.

  • Top 50 Most Influential PPC Expert
  • Author for Search Engine Land and Search Engine Journal
  • Speaker at HeroConf and SMX Advanced
  • Google Ads Professional and Microsoft Ads Accredited Professional
  • Specialties: Search engine marketing; pay per click management and marketing

Articles

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Latest Articles

Author - Melissa Mackey
PAID SEARCH STRATEGY

Google’s August 17 Bidding Change: What Advertisers Need to Do Now

Starting August 17, 2026, Google is changing how campaigns running Target CPA and Target ROAS strategies behave once they’re limited by budget. Per Google’s Help Center, campaigns that are “Limited by budget” on Target CPA, Target ROAS, or Target CPC for Demand Gen “will more consistently perform toward your bid target, including when you make budget adjustments.”

Author - Melissa Mackey
PAID SEARCH STRATEGY

How to Protect Smart Bidding From Spam Conversions in Google Ads

Recently, a lead-gen agency that mostly works with home builders shared this with one of our salespeople: a bot finds one search term overnight, and by morning a community has around 50 new conversions: