Audience targeting in Google Ads - the options worth using
Audience targeting in Google Ads used to be fairly simple - remarketing lists and a handful of interest categories. The options now are considerably more varied and the terminology is more confusing. Here is a clear breakdown of what is actually worth implementing.
Google's audience options split into two broad categories: audiences based on what users have done (your own data - remarketing, Customer Match) and audiences based on what Google infers about them (in-market, affinity, life events, custom segments). The first category is almost always more valuable because it is based on direct signals of intent or relationship. The second is useful for prospecting but with lower precision.
Remarketing lists for search ads (RLSA)
RLSA lets you adjust your search bids for users who have previously visited your website. Someone who has visited your pricing page and then searches for your core keyword is a higher-intent prospect than a cold searcher using the same keyword. Bid adjustments of 20 to 50 percent higher for high-intent site visitors on your most valuable keywords are consistently one of the highest-ROI audience applications in search campaigns. The setup is straightforward and the impact is measurable within a few weeks for accounts with sufficient traffic.
Customer Match for bid adjustment
Adding your CRM email lists as audiences in search campaigns and applying bid adjustments for matched users improves performance for both acquisition and retention goals. For acquisition - bid down on keywords for current customers you do not want to re-acquire at full cost. For retention - bid up on keywords for high-value customers who are likely to repurchase. The matching rate of 30 to 60 percent means a portion of your list will not be matched, but the matched segment is the most precisely defined audience you have in any paid channel.
In-market audiences as observation
In-market audiences represent users Google has classified as actively researching a purchase in a specific category. Adding them as observation audiences to your search campaigns costs nothing and gives you data on whether in-market users convert at a different rate to your general audience. If they do, a bid adjustment is warranted. Many accounts never add observation audiences and therefore never collect this performance data. It takes ten minutes to set up and provides ongoing insight.
Custom segments
Custom intent segments let you build audiences based on specific search terms users have typed on Google, or specific URLs they have visited. This is powerful for competitor targeting - building a segment of users who have recently searched for your competitors' names and then bidding to show them your ads in other Google inventory. Combined with RLSA exclusions to avoid reaching your own recent converters, custom segments can drive precise prospecting for users actively in market.
What to avoid
Affinity audiences - broad interest categories like "Cooking Enthusiasts" or "Outdoor Sports Fans" - have very low precision for most business-specific targeting needs. They work at huge scale for brand awareness campaigns with large budgets. For most performance-focused search advertisers they add noise rather than signal. Add them as observation to check whether they perform differently, but do not bid aggressively on affinity categories without data supporting it.
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