Resources
Shopify CRO and experimentation, compared side by side
Neutral tool comparisons and curated roundups to help you choose. We include Spar where it genuinely fits and tell you when it does not.
Roundup
Best Shopify A/B testing apps
Compare Shopify-native testing tools by workflow, testing depth, and who they actually fit.
ReadRoundupBest CRO tools
Grade the best CRO tools across research, prioritization, experiment creation, and measurement, including how much AI each one automates.
ReadComparisonVWO vs Optimizely
A neutral look at two experimentation platforms, and where each one fits.
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More from Spar
Compare Spar
See how Spar lines up against VWO, Optimizely, and the Shopify-native testing tools.
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Free CRO tools
Six free calculators for sample size, test duration, significance, and revenue per visitor.
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Solutions
How Spar fits founders, in-house ecommerce teams, agencies, and Shopify Plus brands.
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Guides
Practical playbooks for prioritizing tests and running Shopify conversion optimization.
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