In one sentence: Remarketing is paid advertising aimed at people who have already visited your website or interacted with your business, so your ads reach them again later while they browse other sites, watch videos, or search for something else.
A small piece of tracking code sits on your website. When someone visits, they get dropped into a list, and that list is what you target later. Nobody hands you a name or a phone number. You are buying the chance to show up again in front of a group of people who already looked at you once.
Say someone reads your bathroom remodel page on a Tuesday night, gets pulled away, and closes the tab without calling. On Thursday your ad appears while they are reading the local news. Nothing about that means you know who they are. It means they landed in a bucket, and the bucket is now something you can advertise to.
The bucket has rules. Lists expire after a set window, platforms will not run against a list until it reaches a minimum size, and anyone who clears their browser or opts out quietly falls off it. Treat remarketing as a way to stay in front of a fading memory, not as a hold on somebody.
The deciding question is how long your customer thinks about it. A backed-up main line gets fixed today by whoever answers the phone, and there is no consideration window to advertise into. A kitchen remodel, a roof replacement, or a dock rebuild can sit in someone's head for weeks while they collect two more quotes and talk it over at home. That gap is the thing remarketing is actually for.
The second question is whether you have the traffic to build a list at all. A single-town service business can go a full month without collecting enough visitors for a platform to run against, and a thin list shown the same ad on repeat turns into wallpaper, or worse, into the reason someone remembers you as the company that followed them around all week.
One piece owners forget is the exclusion. Tell the platform to stop advertising to the people who already hired you, or the campaign spends your budget reminding last month's customer about a job they have already paid for. It also quietly flatters the numbers, because a familiar customer clicking a familiar name is not new demand.
So the honest use is narrow. Pick the pages that signal real intent, a service page or an abandoned quote form, advertise to those visitors for a sensible number of days at a sensible frequency, and cap it before it becomes a nuisance. Whether that is worth doing in your market at all is one of the things we work out before quoting anything, which is the approach behind our Google Ads management.
Remarketing runs on first-party data, the visits and actions collected on your own site, which is what separates it from renting a cold audience someone else assembled. Most of the inventory comes from the display network. And because a person can see the ad on Monday and call on Friday, the attribution window you use decides how much credit this campaign appears to deserve.
In practice, yes. Remarketing is Google's word for it, plenty of other platforms and vendors say retargeting, and both describe advertising to people who already interacted with you. If someone is selling the two as different products, ask them to explain the difference in plain English before you pay for either.
Usually not well. Platforms will not run against a list until it hits a minimum size, so a list built from a trickle of visitors either never qualifies or shows the same few people your ad far too often. Getting more of the right visitors in the first place is the cheaper fix, and it helps every other channel at the same time.
Google Ads management · First-party data · Display network · Attribution window · Lookalike audience · All glossary terms · Plain-English answers · All services
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