Article

26 March 2025

Viktoria Camp

Co-Founder, CEO & Chief Product Officer (CPO), Affinect

60-80% of your restaurant's profits come from repeat guests. But nearly half of your first-time visitors never return.

You don't need more tables. You need more return visits.
That's the secret to scalable growth, especially in 2025, where competition is high and margins are tight. Whether you're a casual cafe or a high-end destination, the easiest way to how to increase restaurant sales is to get more value from the customers you already have.

In this article
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1. The First Step: Start with Guest WiFi

2. Loyalty Without the Loyalty Card

3. Create Experiences That Drive Revenue

4. One Customer, Many Venues

5. Automate the Hard Parts

6. Final Thoughts

If your WiFi is just a password, you're leaving valuable data on the table. Smart operators are turning their WiFi login into a data collection tool that runs in the background, silently building powerful customer profiles while offering a better guest experience.

With a branded login page, you capture consented customer data (email, phone, birthday, visit frequency) without interrupting service. This sets the stage for smarter restaurant marketing, loyalty triggers, and real-time insights across venues-all without changing your current POS or CRM setup.

💡Did you know? There’s a 78% data capture rate when guests connect through a branded login page.

Forget punch cards. Today's restaurant loyalty program lives inside your WiFi and CRM.

When customers log in to WiFi, they're automatically tagged and tracked. Over time, you build a first-party database of regulars, lapsed customers, and VIPs. You don't need an app or extra hardware- just a smart system that knows when someone returns and how often.

Use this data to:

• Send birthday offers or "we miss you" messages
• Trigger-free coffee or a discount on visit #5
• Segment new vs. loyal customers with no manual effort

Clients using WiFi-based campaigns see up to a 25% increase in return visits and 3.5x more email subscribers vs traditional methods.

WiFi doesn't just connect devices- it connects behavior. Combine visit data with preferences (from surveys or past logins), and you can deliver marketing ideas for restaurants that actually work.

Examples:

• Offer mid-week rewards to weekend guests (boosting weekday revenue)
• Trigger surveys after the second visit to increase retention
• Identify and reward high-value guests who dine during off-peak hours

"We turned weekend footfall into weekday revenue. With just one offer." - Affinect Client, Zero Gravity

If you operate multiple locations, things get even more powerful.

With a unified login across venues, you can implement a restaurant marketing strategy that:

• Identify guests who frequent multiple locations
• Track which venues perform best for loyalty campaigns
• See how groups or segments behave differently by brand or region

💡Did you know? 40% of users opt in to multi-venue tracking when the WiFi experience is branded and seamless.

You don't need to send every campaign by hand.

Affinect's automation engine lets you:

• Set up rules like "send a message if the guest hasn't visited in 30 days."
• Trigger messages by time of day, day of week, or visit frequency
• Enrich your CRM or email platform using API or webhook integrations

Best of all, this works even if you already use booking tools, delivery apps, or a loyalty program. We don't replace your stack- we make it smarter with restaurant marketing tactics.

"Plug-and-play" with your existing tools: CRM, loyalty, POS, even your own app.

You don't need more tables- you need more value from each one you already have.

Start by transforming your WiFi into something more than a utility. This is how to increase sales for a restaurant without adding extra tables.