Content revised 20 October 2026.
Crawling fetches a page, indexing processes it for search, and ranking determines which results to show for a query. A successful first step doesn't guarantee the next one.
Crawling: can the page be fetched?
A crawler discovers URLs through links and other sources such as sitemaps. Server responses, access restrictions and available resources affect what it can retrieve. When investigating a page, inspect the actual public URL rather than relying only on how it looks in an editor.
Indexing: what does the page represent?
Search systems process information from pages and may select a preferred version when several URLs contain similar content. An accessible page can still be excluded for a reported reason. A sitemap is useful discovery information, not a command requiring every listed URL to appear in search.
Ranking: which answer fits this query?
An indexed page competes with other information for a particular search. Its position can vary with the query and context. A page appearing for its exact URL doesn't establish that it ranks well for the commercial topic you care about.
Use the right evidence for each question
- For access, review the HTTP response and live inspection.
- For indexing, read the URL’s reported status and canonical information.
- For performance, review relevant queries, impressions and clicks over a suitable period.
- For business value, connect the journey with useful enquiries or purchases.
Keep the diagnosis specific
Separating these stages stops a team from solving the wrong problem. If a page can't be fetched, adding more keywords is unlikely to address the access issue. If it is indexed, repeated submission requests don't guarantee a stronger ranking.
Official guidance: How Google Search works.