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🔬 Lab Findings 🔧 Stack Builder

Translation Apps for Shopify — Performance Ranked

5 benchmarked store translation and localization apps, ranked by real JavaScript overhead measured in StackConflict's clean-room lab.

5 Apps benchmarked
3 Grade A or B
13 ms Avg CPU cost
52 ms Avg mobile CPU
★ 4.5 Avg merchant rating
FASTEST

Global-e is the lightest store translation and localization app we've tested — 10.67 KB payload and 5 ms CPU (Grade A).

No apps match your search.
#1
A
Global-e
by Global-e
📦 10.67 KB
⚡ 5 ms desktop
📱 43 ms mobile ✓
Lightweight
#2
B
Langify
by langify GmbH & Co. KG
📦 84.76 KB
⚡ 4 ms desktop
📱 35 ms mobile ✓
★ 4.7 711
Acceptable
#3
B
Langwill (formerly ETranslate)
by ETranslate
📦 65.38 KB
⚡ 3 ms desktop
📱 23 ms mobile ✓
Acceptable
#4
C
Transcy
by OneCommerce
📦 194.01 KB
⚡ 34 ms desktop
📱 193 ms mobile ✓
★ 4.4 2k
Heavy
#5
C
Weglot
by Weglot
📦 211.48 KB
⚡ 21 ms desktop
📱 68 ms mobile ✓
📐 Layout stable
★ 4.5 815
Heavy

How we measure — Each app is injected into a clean Shopify dev store in a Playwright-controlled browser with no other apps installed. V8 CPU cost is the ScriptDuration delta before and after injection. Mobile estimate applies Google Lighthouse's 4× slowdown factor.

Read the full methodology →