Crawler policy
Inspect user-agent groups, allow and disallow directives, and host-level rules.
All categories
Tool category
Admin
Review administration artifacts in a focused browser tool and compare the result with the intended crawler policy. A syntactically valid file can still block important pages.
1 tools
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Ops utilities, checklists, transformations.
Workflows
Discovery
Review sitemap references and make sure they point to the canonical production paths.
Quick answers
Does a valid robots.txt guarantee correct indexing?
No. Robots controls crawling, while canonicalization, noindex, rendering, content quality, and search-engine processing remain separate.