Unlike Google Ads, which captures an intent already expressed, Meta Ads (Facebook and Instagram) creates demand by interrupting a user who wasn’t looking for anything specific. For e-commerce, it’s a formidable product-discovery lever — provided it’s structured correctly.
The product catalog, the base building block
Any serious e-commerce strategy on Meta starts with the product feed (catalog) connected to Commerce Manager. It enables Advantage+ Shopping campaigns and dynamic remarketing — showing a visitor exactly the product they viewed, with up-to-date price and availability.
Structure campaigns by objective, not by product
A common mistake is creating one campaign per product. With Meta’s machine learning, it’s almost always preferable to group by objective (cold acquisition, remarketing, retention) and let the algorithm arbitrate between catalog products within each campaign.
Audiences: start broad, not narrow
The era of ultra-precise targeting by interests has largely faded with improvements to Advantage+ algorithms. A broad audience combined with strong creative today often outperforms a restrictive targeting based on approximate interests.
The real performance lever: creative
On Meta, creative (image, video, ad angle) weighs more on performance than targeting itself. Regularly producing new creative variants — not just new visuals, but new sales angles — is what distinguishes accounts that scale from those that plateau.
How much budget to exit the learning phase?
Meta generally recommends at least 50 conversions per week per ad set to exit the learning phase. Below that, campaigns remain unstable and expensive. A test budget should be sized to reach this threshold, not fragmented across too many campaigns.
Tracking: the pixel is no longer enough
With the gradual disappearance of third-party cookies, the Meta pixel alone loses reliability. The Conversions API, which sends events server-side, has become essential to maintain tracking quality and therefore algorithmic optimization efficiency.
To compare the two most-used platforms in e-commerce, see our Google Ads vs Meta Ads comparison.