Crawl comparison guide
How to compare SEO crawls without manufacturing improvement.
A lower issue count can mean a healthier site, a smaller crawl, a changed rule catalog, or missing evidence. A trustworthy comparison establishes which explanation is supported before drawing the trend line.
Match the evidence model first
Persist the audit signature, grouping version, URL-normalization model, configuration, and crawl scope. Only calculate a rule delta when those inputs are compatible.
Compare absolute movements
- Crawled, indexable, and explicitly excluded page counts
- New, resolved, and unchanged findings by rule
- Occurrences, affected entities, and source pages as different units
- Incomplete and failed evaluations outside the passed denominator
Attach the release context
Record the deployment or change window that sits between runs. The crawl can prove that evidence changed; the release context helps the team investigate why without pretending that correlation alone proves causation.
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