OneTrust Cookie Consent vs Osano Cookie Consent: Shopify Performance Comparison
Both apps score Grade C — OneTrust Cookie Consent has the edge with 25 ms vs 62 ms desktop CPU execution.
Both apps provide trust badges and security signals functionality for Shopify stores. This page presents StackConflict’s independent lab results for both — measured in a clean-room environment with no other apps installed.
Head-to-Head Metrics
| Metric | OneTrust Cookie Consent | Osano Cookie Consent | Faster |
|---|---|---|---|
| Overall Grade | C | C | Tie |
| JS Payload | 496.5 KB | 296.79 KB | Osano Cookie Consent |
| CPU Desktop | 25 ms | 62 ms | OneTrust Cookie Consent |
| CPU Mobile | 130 ms | 194 ms | OneTrust Cookie Consent |
| Layout Shift | 0.0006 | 0.0 | Osano Cookie Consent |
Mobile CPU measured with 4× CDP throttle (mid-range Android). Tested 2026-05-30.
OneTrust Cookie Consent — The Faster Option (Grade C)
OneTrust Cookie Consent scores Grade C with a JS payload of 496.5 KB and 25 ms desktop CPU execution. Mobile CPU: 130 ms. Even as the faster of the two options, merchants on mobile-heavy stores should weigh its impact on their combined app stack.
View full OneTrust Cookie Consent speed report →
Osano Cookie Consent — The Heavier Option (Grade C)
Osano Cookie Consent scores Grade C with a JS payload of 296.79 KB and 62 ms desktop CPU execution. Mobile CPU: 194 ms. This places it in the heavier half of StackConflict’s benchmark dataset — merchants running mobile-first stores should evaluate whether the feature value justifies the performance tradeoff.
View full Osano Cookie Consent speed report →
When to Choose OneTrust Cookie Consent
- Its unique feature set has no lighter equivalent in StackConflict’s database
- Your store traffic is predominantly desktop
- You have already removed or lightened other heavy scripts to compensate
When to Choose Osano Cookie Consent
- Its unique feature set has no lighter equivalent in StackConflict’s database
- Your store traffic is predominantly desktop
- You have already removed or lightened other heavy scripts to compensate
Performance Verdict
Result: Comparable — Both apps score Grade C — OneTrust Cookie Consent has the edge with 25 ms vs 62 ms desktop CPU execution.
Both apps carry Grade C — see StackConflict’s full Trust rankings for lighter alternatives.
About This Test
StackConflict measures each Shopify app in an isolated clean-room environment — a single development store, no other scripts, Playwright-controlled browser. V8 CPU cost is the ScriptDuration delta before and after injection. CLS is captured from the same browser session. Results represent the median of three independent runs with outliers removed.
Data from the StackConflict Lab. Last updated 2026-05-30.