The vast majority of first-time visitors leave without converting. Retargeting (also called remarketing) shows ads to people who've already visited your site, keeping you top-of-mind until they're ready to act. Done well, it's one of the highest-ROI ad tactics there is.
What retargeting is and why it works
Retargeting serves ads specifically to people who have already interacted with your brand — visited a page, added to cart, watched a video. Because these people already know you, they convert at far higher rates and lower cost than cold audiences.
It works because buying decisions take time and multiple touches. Retargeting supplies those touches at low cost.
Set up your tracking first
Retargeting depends on a pixel/tag on your site (Meta Pixel, Google Ads tag) that builds audiences of your visitors. Install it early — audiences only include people tracked from the day the pixel goes live, so the sooner it's on, the bigger your remarketing pool.
Segment by intent
Not all visitors are equal. Someone who reached checkout is far warmer than someone who bounced off a blog post. Build separate audiences and tailor the message and budget to each:
- Cart/checkout abandoners — your hottest audience; a reminder or small incentive often closes them.
- Product/service page viewers — show the specific thing they looked at.
- General visitors — softer brand and value-led messaging.
Cap frequency and refresh creative
The fastest way to make retargeting backfire is to show the same ad to the same person dozens of times. Set frequency caps, exclude people who've already converted, and rotate creative so it stays fresh rather than becoming wallpaper.
Frequently asked questions
How soon should I start retargeting?
Install your tracking pixel today, even before you run ads — it starts building your audience immediately. You generally need a minimum audience size before campaigns can run, so the earlier the pixel is live, the sooner you can launch.
Isn't retargeting creepy?
It can be if overdone. With sensible frequency caps, converted-customer exclusions and genuinely useful messaging, it feels like a helpful reminder rather than stalking. Restraint is what separates effective retargeting from annoying.
What budget does retargeting need?
Usually a modest share of your total ad spend, because the audiences are small and warm. It's typically the most efficient part of a paid-media mix on a cost-per-conversion basis.