All In One Accessibility vs Avada SEO: Shopify Performance Comparison
Avada SEO wins with Grade B vs Grade C — a one-grade performance difference that compounds on mobile devices.
Both apps provide SEO optimization and metadata management 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 | All In One Accessibility | Avada SEO | Faster |
|---|---|---|---|
| Overall Grade | C | B | Avada SEO |
| JS Payload | 220.2 KB | 67.34 KB | Avada SEO |
| CPU Desktop | 5 ms | 7 ms | All In One Accessibility |
| CPU Mobile | 8 ms | 104 ms | All In One Accessibility |
| Layout Shift | 0.0 | 0.0 | All In One Accessibility |
Mobile CPU measured with 4× CDP throttle (mid-range Android). Tested 2026-05-30.
Avada SEO — The Faster Option (Grade B)
Avada SEO scores Grade B with a JS payload of 67.34 KB and 7 ms desktop CPU execution. Mobile CPU: 104 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 Avada SEO speed report →
All In One Accessibility — The Heavier Option (Grade C)
All In One Accessibility scores Grade C with a JS payload of 220.2 KB and 5 ms desktop CPU execution. Mobile CPU: 8 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 All In One Accessibility speed report →
When to Choose All In One Accessibility
- 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 Avada SEO
- You need its specific features and can monitor its mobile impact
- Your other apps are lightweight (Grade A) so there is headroom
- You are on desktop-skewed traffic where CPU cost matters less
Performance Verdict
Winner: Avada SEO — Avada SEO wins with Grade B vs Grade C — a one-grade performance difference that compounds on mobile devices.
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.