The ultimate PMax negative keyword strategy to cut waste (w/ Guillaume Devinat)

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The paid media lab

Lunio

25 episodes

1 week ago

The paid media lab is a podcast for performance marketers who want fresh, innovative, and actionable strategies to maximize return on ad spend. In each episode, we speak to a leading paid media expert about the one strategy, approach, or tactic that has consistently delivered impressive performance improvements across their campaigns in recent months. Presented by James Deeney and brought to you by Lunio, the ultimate anti-IVT tool. Get more free PPC tools, webinars, and resources at: https://www.lunio.ai/resource-library

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The ultimate PMax negative keyword strategy to cut waste (w/ Guillaume Devinat) | S2 EP8

The paid media lab

31 minutes 21 seconds

4 months ago

The ultimate PMax negative keyword strategy to cut waste (w/ Guillaume Devinat) | S2 EP8

Performance Max campaigns are everywhere - but most advertisers are still flying blind when it comes to controlling spend and cutting waste.

To help marketers take back control, we spoke to Guillaume Devinat, CEO of PPC optimization platform Optmyzr, and uncovered the ultimate PMax negative keyword strategy.

In the session, Guillaume reveals the findings of a huge study into how advertisers use (or don’t use) negative keywords in PMax - and shares a practical, step-by-step framework to cut waste, reduce junk traffic, and improve efficiency.

Expect to learn:

• Why 68% of PMax campaigns are running with zero negative keywords

• The most common search terms and placements that waste budget

• How to proactively identify and exclude bad traffic with n-gram analysis

• Early indicators of low-quality traffic (before conversions suffer)

• How to use ChatGPT to uncover wasteful keyword themes at scale

• Key settings in PMax that quietly drain spend if left unchecked

• How to estimate the ROI impact of negative keyword and placement exclusions

• Tips on geo targeting, content suitability, and URL expansion

• The case for lead gen advertisers to rethink their use of PMax

Timestamps:

0:00 - Intro

1:36 - Guillaume’s key focuses at Opteo

2:07 - How marketers are using negative keywords

4:02 - Why are negative keywords so underutilized?

7:16 - Which search terms waste the most ad spend?

10:18 - Finding the best negative keywords

14:55 - Competitor keywords as negative keywords

16:06 - Biggest sources of waste in PMax campaigns

21:48 - Managing ad placements

23:58 - Key metrics to track after making changes

28:14 - Final thoughts / outro

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Get more free PPC tools, webinars, and resources at:

https://www.lunio.ai/resource-library