Attentive vs Klaviyo: which slows a Shopify store more?
Attentive is usually the lighter of the two. On the typical store it was light, while Klaviyo was heavy.
Both are email and SMS marketing apps. We measured Attentive on 139 Shopify ecommerce stores and Klaviyo on 496.
Side by side
| App | Typical processing time | Stores measured |
|---|---|---|
| Attentive | Light (under 100 ms) | 139 |
| Klaviyo | Heavy (300 ms to 1 second) | 496 |
Attentive was light on 79% of the stores it was measured on. Klaviyo was heavy on 48% of the stores it was measured on.
On stores that run both
106 of the stores we checked load both. Attentive took less processing time than Klaviyo on 92 of them.
Each band is an app's typical processing time across the stores it was measured on. Those stores differ from app to app. That makes the result on stores that run both the fairer test. Apps found on fewer than 20 stores aren't listed yet. The list grows as more stores are checked.
All apps in the index · How we measure these numbers
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