Retargeting: showing ads to people who already visited

What retargeting is

Retargeting, which Google calls remarketing, shows ads to people who have already interacted with your business. They visited your site, watched your video, opened your lead form or followed your page. They already know your name. Retargeting keeps it in front of them while they decide.

That is useful for a local business because a lot of purchases are not instant. A homeowner gets three quotes for a new roof. Someone reads about two or three med spas before booking a first consult. A family compares orthodontists over a few weekends. Retargeting keeps you in the running while they make up their minds, rather than hoping they remember you.

How it works behind the scenes

On your website, the Meta Pixel and the Google tag note each visitor and what they looked at. You then build audiences from those visitors, like everyone who saw your water heater page, or everyone who started the booking form and did not finish. Ads are shown to those audiences as they use Facebook, Instagram, YouTube, Gmail and the many websites that carry Google's display ads.

Meta can also build audiences from people who engaged with your Facebook page or Instagram account, watched your videos or opened your instant form, without them ever visiting your site. Both platforms, subject to their own eligibility rules, let you upload a customer list that is matched to accounts on their side. That is handy for reminding past customers about seasonal service, or for leaving them out of ads meant for new people.

Google can use your visitor lists in search campaigns as well. Someone who already looked at your site and later searches for your service again can be treated differently from a stranger, for example with an ad that mentions your reviews or reminds them of a quote. That tends to be one of the more useful forms of retargeting for a local service business, because the person is searching again and has your name in mind.

Who is worth retargeting

Not every visitor is worth chasing. Someone who landed on your careers page or read a blog post about a different city is not a lead. Build audiences around signs of intent, and give each one an ad that fits where that person is.

• People who viewed a service page, especially high-value work like replacements, installs or new-patient pages
• People who started a form or booking and did not finish it
• People who watched a good chunk of a video about your work
• People who opened your instant form on Facebook or Instagram but did not submit
• Past customers who are due for repeat or seasonal service

How long to follow them, and when to stop

Set the audience window to match how long your customers take to decide. A locksmith's visitor has solved the problem by tomorrow, so retargeting barely applies. Someone shopping for a kitchen remodel, a pool or dental implants may take months, so a longer window makes sense.

Exclude people who already became customers, using your thank-you page, booking confirmation or a customer list, so you are not paying to show a booking ad to someone who booked yesterday.

And cap the pressure. Seeing the same ad many times a day for weeks feels like being followed. On Meta, watch frequency. On Google, some campaign types let you set frequency caps. Rotate a few ads so people see your reviews, your team and your finished work rather than the same offer on repeat.

Privacy rules and sensitive businesses

Retargeting relies on tracking, so it comes with rules. Your website needs a privacy policy that explains you use cookies and similar tools for advertising, and depending on where your visitors are, you may need to offer an opt-out or get consent before tracking them.

Health care is where the rules bite hardest. Google does not allow personalized ads, including remarketing, based on sensitive categories such as health, and Meta limits what health businesses can send through its tools and how they can target. A medical practice, therapist, addiction treatment center or med spa should check these rules before building any audience, and should never send health details through tracking tools. Medical providers also have federal privacy duties that can reach website tracking, so involve whoever handles your compliance.

Phone and browser privacy settings also mean some visitors never land in your audiences at all, so expect your lists to be smaller than your website traffic.

When retargeting is worth it

Retargeting needs traffic to work. Google sets a minimum audience size before it will show ads to a list, and Meta struggles to deliver to very small audiences. A site that gets a handful of visitors a week may never get there. If that is you, put the money into getting found first, through search ads, your Google Business Profile and SEO, and add retargeting once the traffic exists.

Treat it as a supporting player. Retargeting does not find new customers on its own. It helps you win more of the people your other marketing already brought in, which makes it a sensible addition once the rest is working, and a poor place to start.

Judging whether it is working

Be careful reading retargeting results. These are people who already knew you, and some of them would have come back anyway. Meta in particular can count a conversion from someone who only saw an ad, depending on your attribution setting. Look at click-based results, and if you can afford the test, compare leads from your site with retargeting running and with it paused.

Check what the ads actually say, too. A retargeting ad that simply repeats your homepage is a missed chance. One that answers the question that stopped them, like price ranges, financing, reviews or how soon you can start, gives people a reason to come back.

Northward's Google Ads Management and Meta Ads Management are $499 a month each, with the ad budget paid straight to the platform, and retargeting is one of the things we weigh up when planning an account. Wherever it runs, keep it small, specific and honest about what it is doing.