A visitor who leaves without enquiring has rarely decided against you. Most of the time they have not decided at all.
They read a service page, compared two providers and closed the tab. Your analytics records a bounce. For them it was a pause: they still need sign-off, a second look or simply a quiet moment.
Remarketing is built for exactly that gap. It reaches people again who have already been on your website.
This article covers when that pays off for a Swiss SME, how to build audiences and messages, and why campaigns seldom fail on the ad itself but on what happens after the click.
What remarketing is – and how retargeting differs
Remarketing means advertising to people who have already been in contact with your company. It works from their behaviour on your website: which pages they visited, which service they looked at, whether they started a form. The short definition is in the glossary under remarketing.
A typical sequence: someone reads your page on a particular service but never fills in the contact form. A few days later, on another website or a social network, they see an ad that picks up exactly that service again.
The two terms are mostly used interchangeably. Google Ads calls the feature remarketing, LinkedIn speaks of website retargeting, Meta of custom audiences. If you want to be precise, remarketing is the broader term and includes reaching people again by email, while retargeting means doing it through ads.
Why visitors leave without enquiring
Leaving is not the same as losing interest. More often one of these is going on:
- They are still gathering information and not ready to buy.
- They are comparing prices and services with other providers.
- They are short of time and mean to come back later.
- They have to agree the decision with someone else.
- They filled the basket and abandoned the purchase.
With services that need explaining, weeks can pass between the first visit and the enquiry. In B2B, decisions are rarely made by one person, and every additional person lengthens the path. How to make those stages visible is covered in customer journey mapping.
A campaign that treats every visitor the same misses exactly this difference. Someone who read a general information page needs something else than someone who has half-completed the contact form.
Winning back instead of buying new – above a certain size
Most companies put their budget into new visitors: search engine optimisation, Google Ads, social media, content. Some of those visitors do not enquire straight away. That group is what makes remarketing interesting, because it has pre-selected itself: it has been here, and it knows you.
The catch is the minimum size. Google Ads will not serve an audience until it has at least 100 active visitors in the last 30 days, on Search, the Display Network and YouTube alike (Google Ads Help, accessed 2026). LinkedIn requires at least 300 matched members (LinkedIn Help, accessed 2026).
For a website with a few hundred visitors a month, that means an audience for a single service page may never start. Remarketing is therefore step two, never step one.
First you need visitors, and where they come from is a question of lead generation through your website. How to work out the ad budget from customer value is covered in what Google Ads costs in Switzerland.
Segmentation: what someone saw decides what they get
A remarketing strategy does not start with the ad but with the question of whom you are addressing. Segments that work:
- Visitors to specific pages: a service page, a product category, a landing page.
- Engaged visitors: several page views or a long visit.
- Drop-outs: filled the basket or started a form, but did not finish.
- Leads: people who have already enquired – usually an exclusion, not a target.
- Existing customers: for complementary services, not for what they already have.
- Readers without a next step: blog visitors who have not yet seen a service page.
Two settings decide whether it works. The first is membership duration: how long does someone stay in an audience? In Google Ads the default is 30 days, the maximum 540 (Google Ads Help, accessed 2026). The right duration follows the length of your sales decisions, not the default.
The second is exclusions. Anyone who has enquired or bought belongs out of the advertising for that very service. Otherwise you are paying to convince someone who is already convinced.
The message follows the stage, not the product
A remarketing ad has to give people a reason to come back. «You were here» is not one.
Early on, people need orientation: a guide, a checklist, a comparison. Close to a decision, they need a concrete call to action, such as «Request a consultation» or «Book a meeting». The message changes with the stage; the offer stays the same.
The obvious move would be to show every visitor exactly what they looked at. The research is less clear-cut than the ad industry suggests.
In a field experiment with an online travel firm, dynamic ads showing the product someone had viewed were on average less effective than generic brand ads (Lambrecht and Tucker, Journal of Marketing Research, 2013).
The exception was users whose preferences had already narrowed, visible for instance in visits to review sites. The authors' explanation: early in a search people think in categories, not details.
Whether a finding from travel carries over to a Swiss B2B offer has not been measured. The practical lesson holds anyway: personalisation is not an end in itself; it belongs to the late stage.
Channels: Google Ads, Meta and LinkedIn
Remarketing runs where your audience already spends time. For Swiss SMEs, three platforms are almost always enough:
- Google Ads: ads on Search, the Display Network and YouTube. Online shops can use dynamic remarketing with the products a visitor viewed.
- Meta (Facebook and Instagram): strong with consumers and for visual offers.
- LinkedIn: for B2B, because the audience can be narrowed further by industry, job function and company size.
Each one rests on a small script on your website: the Google tag, the Meta Pixel, the LinkedIn Insight Tag. It records who visited which pages and fills the audiences from that. The cleanest way to manage these scripts is centrally, through Google Tag Manager.
What matters is not being on as many channels as possible. A site with 300 visitors a month will never reach LinkedIn's minimum, because only some of them are signed in to LinkedIn.
How paid campaigns on Meta and LinkedIn are set up is described on the social media ads page. How LinkedIn works as a B2B channel is covered in LinkedIn marketing for B2B companies.
Frequency capping: stay memorable without becoming a nuisance
Remarketing has a reputation, and it has earned it: the same ad, for weeks, shown to someone who bought long ago. Reminder turns into nuisance the moment the cap is missing.
Frequency capping limits how often the same person sees an ad within a given period. In Google Ads it is available for Display and Video campaigns, for Display per day, week or month (Google Ads Help, accessed 2026).
The right frequency is not a constant. It depends on how long the decision takes, and you test it rather than guess it. With long decisions it is usually better to change the message over the weeks than to show the same ad more often.
The landing page decides, not the ad
A click is not an enquiry. Anyone who returns through a remarketing ad has to find the next step immediately.
The landing page has to deliver on the promise of the ad. An ad for a specific service that ends on the home page wastes the click you have just paid for. The closer the ad and the page match, the less the visitor has to search.
On the page itself, the same things count as for any other visitor: a clear benefit, trust signals, a short form and a visible call to action. Which elements those are in detail is covered in the high-converting website.
Connecting remarketing with email and CRM
Remarketing works best when it does not stand alone. A visitor downloads a guide and becomes a lead. From there, several channels come together: emails with further reading, entries in the CRM and ads for the next step.
Which of these workflows pay off first for an SME is covered in marketing automation for SMEs. How the email side works is explained in email marketing for SMEs.
Customer lists are a special case: Google and Meta let you upload email addresses to find known contacts on their platform. Legally that is a disclosure of personal data. Because the platforms are based abroad, the rules in Art. 16 f. FADP on disclosure abroad apply as well.
What applies in Switzerland: data protection and tracking
Remarketing only works if data about visitors is processed. In Switzerland, two laws apply – and a contract many people overlook.
The Telecommunications Act covers cookies. Under Art. 45c TCA, processing data on external equipment is permitted if users are informed about the processing and its purpose and are told that they may refuse it (TCA, SR 784.10). That is information with a right to refuse, not an opt-in.
The Data Protection Act covers personal data. Where personal data is processed, the FADP requires transparency: whoever collects it states at the time of collection who is responsible, for what purpose the data is processed and who receives it (Art. 19 FADP, in force since 1 September 2023, FADP, SR 235.1).
The FADP does not require an EU-style cookie opt-in either.
Google requires consent anyway. Its policy obliges advertisers to obtain consent for ad personalisation from users in the EEA, the UK and Switzerland (Google, EU User Consent Policy, accessed 2026).
Remarketing is ad personalisation. For Google Ads, the contract is stricter than the law.
Then there are visitors from the EU. If you monitor their behaviour online, the GDPR applies to them (Art. 3(2)(b), Regulation (EU) 2016/679). The Swiss easing does not help there.
In practice that means a consent tool that loads marketing cookies only after agreement, and a privacy policy that names remarketing explicitly. Our own privacy policy is one example: the remarketing audience there is filled only with marketing consent. This section is not legal advice.
One more point belongs to the technology: Safari has blocked third-party cookies by default since March 2020 (WebKit, 2020). First-party data – enquiries, sign-ups, customer lists – becomes more important as a result, not less.
How to build a remarketing campaign
- Set the goal. Which action should come at the end: an enquiry, a meeting, a purchase?
- Check measurement. Conversion tracking runs before the first franc is spent. Otherwise you see clicks and never learn what they were worth.
- Build audiences. By behaviour, with a suitable membership duration and with exclusions.
- Write a message per segment. Orientation for early stages, a call to action for late ones.
- Assign a landing page. One page per message, not the home page.
- Cap the frequency. Set a limit and check it in the report after two weeks.
- Evaluate and adjust. Steer by cost per enquiry, not by click-through rate.
Which numbers count – and which mislead
Impressions and reach show that ads were served. They say little about success. A useful evaluation looks at:
- clicks and click-through rate,
- the conversion rate on the landing page,
- the cost per enquiry or purchase,
- the number and quality of leads,
- behaviour after the click: how many pages, how long, which next step.
One trap is typical of remarketing. The platform's report counts every enquiry that follows an impression – including the ones that would have come anyway. Someone who has been on your website twice is fairly likely to return without an ad.
What the ad really achieves only shows in a comparison with a group that did not see it.
One such experiment with an online retailer's retargeting campaign found 17 per cent more website visits and 11 per cent more purchases than in the control group (Johnson, Lewis and Nubbemeyer, Journal of Marketing Research, 2017).
So remarketing does work measurably – but by the difference to the control group, not by everything the report credits it with. How to analyse enquiries by source is covered in Google Analytics 4 for SMEs.
Who remarketing pays off for
Remarketing pays off when three conditions come together: the website has enough visitors for audiences to serve; the decision needs more than one visit; and the page the click lands on can actually trigger an enquiry.
For Swiss SMEs, geography comes on top. If you only work in certain cantons, limit the campaigns to those regions; an ad shown in Geneva does nothing for an electrician from Winterthur. Businesses with a local catchment therefore combine remarketing with local SEO and search campaigns.
Remarketing does not replace reach; it makes use of it. Anyone investing in search engine optimisation, content or Google Ads eventually asks what happens to the visitors who have not enquired yet. That is where it comes in.
Frequently asked questions
What is remarketing?
Remarketing is advertising to people who have already been in contact with your website or brand. It works from their earlier behaviour, such as pages visited or a form they started. The goal is to bring them back and lead them to an enquiry, instead of writing them off after the first visit.
What is the difference between remarketing and retargeting?
Usually none; the terms are used interchangeably. Where a distinction is made, retargeting means reaching people again through ads, while remarketing is the broader term that also covers email. Google Ads speaks of remarketing, LinkedIn of retargeting.
Is remarketing worth it for SMEs in Switzerland?
Yes, if the website has enough visitors for audiences to serve at all: at least 100 active visitors in 30 days for Google Ads, 300 matched members for LinkedIn. Below that, it is worth investing in visitors first.
How do remarketing ads work?
A script on the website, such as the Google tag or the Meta Pixel, records which pages someone visited. That creates audiences to which the platform later shows matching ads: on other websites, on YouTube, in search or on social networks.
How do you win back lost website visitors?
With audiences based on behaviour, a message per stage and a landing page that matches the ad. Add a frequency cap and exclude everyone who has already enquired. The channel follows the audience, not the other way round.
Do you need consent for remarketing?
Swiss law requires information and a right to refuse, not an opt-in. Google, however, contractually requires consent for ad personalisation, including from users in Switzerland, and the GDPR applies to visitors from the EU. In practice: load marketing cookies only after agreement.
Conclusion: the right visitors, at the right moment, with a reason
Remarketing is not an advertising trick but the answer to the fact that decisions take more than one visit. It works when audiences are built on behaviour, messages are written for the stage, frequency is capped – and the landing page delivers what the ad promises.
It needs one precondition that is often forgotten: visitors. Without reach, there is nothing to win back. Remarketing is therefore the step after search, content and the website, not a replacement for them.
This combination of visibility, website and campaigns that bring measurable enquiries is the work of ALPENIQ Growth.