Most people do not buy the first time they visit your website. They look, compare and leave. Remarketing lets you show up again in front of those people with your ads and bring them back when they are ready to buy. In this guide you will see what remarketing is, how it works and how to make the most of it without pestering anyone.
Most people do not buy the first time they visit your website. They look, compare prices, get distracted and leave. And you have already paid for that visit. Remarketing (or retargeting) is for exactly that: showing your ads again to people who already know you and bringing them back when they are really ready to buy. In this guide you will see what remarketing is, how it works under the hood, which types there are and how to do it well without chasing people around.

Remarketing is an online advertising technique that shows ads to people who have already interacted with you: visited your website, viewed a product, abandoned a cart or opened an email. Instead of looking for brand-new customers from scratch, you talk to people who already know you and are far more likely to buy.
The idea is simple. Someone visits your online shop, looks at a pair of trainers and leaves without buying. A few days later, those same trainers show up on their Instagram or on a news site. That reminder is remarketing.
In practice, yes; they are used almost as synonyms. Google tends to say remarketing and other platforms retargeting, but both describe the same thing: reaching people who already knew you with ads again. Sometimes "remarketing" also covers re-emailing your list, but the underlying idea does not change.
For remarketing to work you need a small piece of code on your website: the pixel or tag. When someone visits you, that pixel adds them anonymously to a list. Then platforms like Google or Meta show your ads to that list while people browse other websites, apps or social networks.

Almost no one buys on the first visit. They need time, comparison and trust. Remarketing keeps your brand present during that process, and that is why it performs so well:
Depending on where and how you show up again, remarketing comes in several forms. The most common are:
If you run an online shop, abandoned-cart remarketing is one of the most profitable things you can do. Most people who add something to the cart never pay for it: they get distracted, hesitate or start comparing. An ad (or an email) that reminds them of exactly what they left behind, sometimes with a small incentive, recovers a share of those purchases that were almost done. It is money that was about to come in and, without that nudge, is lost along the way.
Remarketing done well recovers sales; done badly, it wears people out. These are the keys:

Before investing more, avoid the mistakes that make remarketing annoying instead of profitable:
At Magnes Factory we build remarketing campaigns that recover sales without pestering anyone. Our process is straightforward:
If you want to recover the people who already visited you, at Magnes Factory we build it and fine-tune it until it performs. To dig deeper, you can read how remarketing works in the Google Ads help, what behavioral retargeting is on Wikipedia or the consumer trends from Think with Google.
Remarketing is an online advertising technique that shows ads to people who have already visited your website or interacted with your brand. Instead of looking for new customers, you remind people who already know you of your offer and bring them back to buy.
In practice they are the same and used as synonyms. Google tends to say remarketing and other platforms retargeting, but both mean showing ads again to people who had already shown interest in you.
A small piece of code (the pixel) is installed on your website and anonymously adds each visitor to a list. Then platforms like Google or Meta show your ads to that list while people browse other websites, apps or social networks, until they come back and buy.
It does not have to be. Done well, with a frequency cap and a useful message, it is a timely reminder. It becomes annoying when you show the same ad non-stop or chase people who already bought; that is why it pays to segment and control how often you appear.
The most common are Google Ads (display network, YouTube and search) and Meta (Instagram and Facebook). You can also use customer lists and email. The usual approach is to combine several to reach the user wherever they are.
Yes, because recovering someone who already knew you costs far less than getting a new customer, and those people convert more. On a tight budget, remarketing is often one of the highest-return advertising investments.
The Spanish government grant for digitising your business is opening again. When it opens it runs out: it is granted in order of arrival, and whoever turns up with the paperwork ready gets in.
What is usually required: being a freelancer, micro-business or SME with a tax address in Spain, being up to date with the tax office and social security, and having completed the self-assessment test. The timetable is published by the government at acelerapyme.gob.es.