← All apps Personalisation 3DLOOK vs Ablyft
🔬 Lab Findings 🔧 Stack Builder
⚡ Faster
B
3DLOOK
60.74 KB · 10 ms CPU
Acceptable
VS
C
Ablyft
291.54 KB · 19 ms CPU
Heavy
Metric 3DLOOK Ablyft
Overall Grade B C
JS Payload 60.74 KB 291.54 KB
CPU Desktop 10 ms 19 ms
CPU Mobile 43 ms 69 ms
Layout Shift 0.0006 0
Install 3DLOOK → Grade B · 60.74 KB · Faster option in this comparison
Install Ablyft → Grade C · 291.54 KB · View full review: Ablyft
⚡ Lab-Verified Fix Keep Ablyft and reduce its speed impact with a dedicated script optimizer: View Booster Page Speed Lab Report →

3DLOOK vs Ablyft: Shopify Performance Comparison

3DLOOK wins with Grade B vs Grade C — a one-grade performance difference that compounds on mobile devices.

Both apps provide personalization and product recommendations 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

Metric3DLOOKAblyftFaster
Overall GradeBC3DLOOK
JS Payload60.74 KB291.54 KB3DLOOK
CPU Desktop10 ms19 ms3DLOOK
CPU Mobile43 ms69 ms3DLOOK
Layout Shift0.00060.0Ablyft

Mobile CPU measured with 4× CDP throttle (mid-range Android). Tested 2026-05-31.

3DLOOK — The Faster Option (Grade B)

3DLOOK scores Grade B with a JS payload of 60.74 KB and 10 ms desktop CPU execution. Mobile CPU: 43 ms. It passes every StackConflict threshold for payload, CPU, and layout stability — making it safe to install on any storefront including mobile-first stores where Time-to-Interactive directly impacts conversion.

View full 3DLOOK speed report →

Ablyft — The Heavier Option (Grade C)

Ablyft scores Grade C with a JS payload of 291.54 KB and 19 ms desktop CPU execution. Mobile CPU: 69 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 Ablyft speed report →

When to Choose 3DLOOK

When to Choose Ablyft

Performance Verdict

Winner: 3DLOOK3DLOOK wins with Grade B vs Grade C — a one-grade performance difference that compounds on mobile devices.

Install 3DLOOK →

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 2026-05-31.