Should You Test That? When to Engage in SEO Split Tests
Moz
JUNE 10, 2020
This requires significant development resources and poses more risk, as you can’t simply “turn the test off” if things aren’t going well. Look at relevant keyword rankings, keyword clicks, and CTR (if you trust Google Search Console). Google’s unpredictable, and changing that many pages can have a big up- or downside.
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