Definition
What it means.
Technical SEO is the engineering layer of search visibility: crawlability, indexation, rendering, redirects, canonical URLs, sitemaps, structured data, and page speed. It does not create demand; it removes the failures that silently waste the demand a site has
Worked example
In practice.
A site migration leaves duplicate URLs, incorrect canonical tags, and a sitemap listing dead pages. A technical pass corrects the canonicals, regenerates the sitemap from real routes, and fixes redirect chains. The team verifies crawling and indexing afterward, then monitors search performance; repairing these defects does not guarantee
Where this work happens: Search
Put it in context.
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