How Shopify Ads Actually Work: A Practical Guide

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A profile picture of Steve Pogson, founder and strategist at First Pier Portland, Maine
Steve Pogson
October 14, 2023

Shopify doesn’t have its own ad platform — when people talk about “Shopify ads,” they’re referring to the paid advertising channels you can run through or alongside your Shopify store: primarily Google Shopping and Search ads, Meta (Facebook and Instagram) ads, and TikTok ads. Here’s what’s worth knowing before you start spending.

Google Shopping

Google Shopping is usually the highest-intent paid channel for ecommerce. Customers actively searching for a specific product are further along in the purchase decision than someone scrolling a social feed. This generally translates to higher conversion rates and clearer attribution.

Shopping ads are driven by your product feed — the data Shopify sends to Google Merchant Center. Feed quality matters significantly. Products with complete, accurate titles, descriptions, images, and attributes perform better in the auction. Shopify’s native Google channel handles basic feed syncing; for larger catalogs or more control over feed optimization, a dedicated feed management tool is worth considering.

Google Performance Max campaigns have largely replaced standard Shopping campaigns for most advertisers. They’re easier to set up and can run across Search, Shopping, Display, YouTube, and Gmail simultaneously, but they offer less granular control over where your budget goes. Starting with a standard Shopping campaign gives you clearer data on what’s working before moving to PMax.

Meta (Facebook and Instagram) Ads

Meta ads are a discovery channel — you’re reaching people who weren’t searching for your product. That changes the creative and targeting approach. The visual and copy need to stop the scroll and communicate a clear reason to click.

The Meta pixel (now Meta Pixel or Conversions API) tracks purchase events on your Shopify store, which Meta uses to optimize delivery toward people most likely to buy. Shopify’s native Meta channel installs the pixel and syncs your catalog for dynamic product ads. Dynamic ads show customers products they’ve viewed or added to cart, which is typically one of the higher-ROI uses of Meta spend.

Attribution on Meta is notoriously messy. Meta’s default attribution window (7-day click, 1-day view) almost always overstates its contribution to sales. Comparing Meta-reported ROAS to what your Shopify analytics show is a useful reality check. If the numbers are significantly different, consider a third-party attribution tool to get a clearer picture.

TikTok

TikTok Shop and TikTok ads have become meaningful channels for certain product categories — particularly consumables, beauty, apparel, and impulse purchases under $50. The creative format is different from Meta — native-feeling video content that doesn’t look like an ad tends to perform better than polished brand creative. Shopify’s TikTok integration handles catalog syncing and pixel installation.

What to Get Right Before Scaling Spend

Tracking: Confirm that purchase events are firing correctly on Google and Meta before you spend meaningful money. A broken pixel or misconfigured conversion goal will send your campaigns in the wrong direction.

Product pages: Paid traffic will expose any weaknesses in your product pages quickly. If your conversion rate from paid is poor, look at the product page before adjusting the ads. Common issues: unclear pricing, no reviews, poor mobile experience, slow load time.

Attribution setup: Understand how each channel is counting conversions and where the double-counting happens. You don’t need a sophisticated attribution tool at low spend levels, but you do need to understand what the numbers mean.

Budget pacing: Campaigns need time and data to optimize. Launching with too small a budget, making frequent changes, or turning campaigns on and off prevents the algorithm from learning. Give campaigns two to four weeks before drawing conclusions.

A Note on First-Party Data

As third-party cookie deprecation continues and platform attribution becomes less reliable, your email and SMS list becomes more valuable as a targeting tool. Uploading your customer list as a Custom Audience on Meta and using it for lookalike targeting is one of the most effective ways to find new customers who resemble your best existing ones.

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