New Controlled Study Questions Whether Schema Markup Directly Impacts SEO Rankings
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MOZ Blog
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Research
TLDR
A landscaping-focused agency tested whether adding LocalBusiness schema markup boosts rankings in a controlled 10-week study across 29 clients and multiple search engines.
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Optimixed's original report on this story.
MOZ Blog reports on a controlled experiment by Evergrow Marketing that isolates schema markup's effect on search rankings. The study divided 29 landscaping-industry clients into control and test groups—pausing all other SEO efforts and controlling for industry, geography, site size, and technical setup—to test whether LocalBusiness schema markup alone improves SERP position across Google, Bing, and Yahoo, deliberately excluding rich-snippet-generating schemas to measure pure ranking impact rather than click-through gains.
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