Detailed targeting is the part of a Meta Ads audience where you narrow who sees your ads by demographics, interests and behaviours, such as “small business owners”, “interested in interior design” or “recently moved home”. Meta infers these traits from what people do on Facebook and Instagram.
How detailed targeting works
When you build an audience in Ads Manager, detailed targeting sits alongside location, age and gender. You search for options in three broad groups:
- Demographics Such as job title, education, relationship status or being a parent.
- Interests Such as gardening, Formula 1 or veganism, inferred from the Pages people follow, the posts they engage with and the ads they click.
- Behaviours Such as the device someone uses or travel habits.
Options added in one box are combined with OR: a person needs to match any one of them. Adding a second set narrows the audience with AND, so a person must match an option from each set. Meta has removed many options over the years, including interests tied to health, religion, politics, ethnicity and sexuality, and at the time of writing (October 2026) it no longer lets you exclude people by detailed targeting categories.
Detailed targeting is often looser than it looks. With Advantage+ detailed targeting, or inside an Advantage+ audience, Meta treats your selections as a starting suggestion and shows ads beyond them when it predicts better results.
Why it matters
For years, picking the right interests was the main skill in Facebook advertising. That has changed. Meta’s delivery system now learns more from your conversion data and your creative than from a hand-picked interest list, and Meta’s own guidance pushes advertisers towards broad targeting. In an account with sound conversion tracking, going broad is worth testing against your interest list.
Detailed targeting still has a place. It helps when your budget is small and your pixel has little data to learn from, when you sell something only a narrow group could buy (specialist equipment for physiotherapists, say), and when you want to test whether a particular group responds to a particular message. Think of it as a starting point and a testing tool, not a precise filter.
Common mistakes
- Stacking dozens of interests. A long OR list becomes a huge, mixed audience that is no more targeted than going broad.
- Narrowing until nothing is left. Several AND layers can shrink the audience size so far that costs climb and delivery stalls.
- Believing the label. “Interested in luxury goods” means someone engaged with related content, not that they have money to spend.
- Splitting budget across many interest ad sets. Ten small ad sets with overlapping interests compete with each other, and none gathers enough results to learn from.
- Copy that asserts personal traits. Meta’s personal attributes policy bars lines such as “Other single parents in Leeds” that imply you know who the reader is.
How to act on it
If your account has steady conversion data, test a broad audience against your best detailed targeting audience, with the same creative and budget, for long enough to collect a fair number of results. Judge the two on cost per result, not cost per click.
If you are new to Meta Ads or sell something very niche, start with one ad set using a small, coherent group of interests that genuinely describe your buyer, and let the ads do the rest. The creative itself does a lot of the targeting, an idea covered under creative as targeting: a photo of a commercial kitchen will draw caterers whatever the interest list says. How tightly to target, and when to let go, is a judgement I make account by account in Facebook ads management.