Fastest Shopify ad identity and retargeting tools, ranked on live stores
We ranked 4 ad identity and retargeting tools by the processing time each added to the homepages of real Shopify ecommerce stores. The lightest are at the top.
What counts here: Matches visitors to ad identities or email addresses for retargeting.
The most recent check in the index ran on September 26, 2026.
All apps in the index · How we measure these numbers
ShopWeight isn't affiliated with Shopify or with any app maker listed here.
| Rank | App | Typical processing time | Stores measured |
|---|---|---|---|
| 1 | SafeOpt | Light (under 100 ms) | 28 |
| 2 | PebblePost | Light (under 100 ms) | 20 |
| 3 | LiveIntent | Light (under 100 ms) | 84 |
| 4 | Criteo | Moderate (100 to 300 ms) | 29 |
Apps in the same band are close. Their order within a band can change as more stores are checked. The bar under each band shows how the app varied from store to store. Apps found on fewer than 20 stores aren't listed yet. The list grows as more stores are checked.
Compare two ad identity and retargeting tools
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