Whether a page is stored in a search engine’s index and eligible to rank.
Indexation is the process by which a search engine stores and organises a page after crawling it, making it eligible to appear in results. A page that is crawled is not automatically indexed: Google decides whether the content is worth storing based on quality, uniqueness and canonical signals.
If a page is not indexed, it cannot rank at all, so indexation is the first thing to confirm when a page is invisible in search. The URL Inspection tool in Search Console shows the exact index status and any reason a page was excluded.
The pipeline is crawl, render, index, rank. A page can drop out at any stage: blocked by robots.txt, marked noindex, deemed a duplicate of a canonical, or judged too thin to be worth storing.
The frequent causes of missing indexation are usually fixable once you find them.
Indexation is the gate before ranking: a page that is not in Google's index cannot rank for anything, no matter how good it is. Most "my page isn't ranking" problems are actually indexation problems in disguise — the page is blocked, canonicalised elsewhere, judged low-quality, or simply undiscovered. Because Google now indexes selectively rather than everything it crawls, getting and keeping important pages indexed is an active discipline, not a given.
The URL Inspection tool in Search Console is the source of truth — it tells you whether a specific URL is indexed, which canonical Google chose, and why a page was excluded. The Page Indexing (Coverage) report groups issues across the site. Common exclusion reasons each point to a different fix: "Discovered - currently not indexed" usually means low priority or crawl constraints; "Crawled - currently not indexed" usually signals a quality or duplication judgement; "Duplicate, Google chose different canonical" means your canonical signals disagree with Google's pick.
A publisher notices a batch of new articles stuck as 'Crawled - currently not indexed' in Search Console. Because that status is a quality-and-duplication judgement rather than a technical block, resubmitting them does nothing. Investigation shows the articles are thin syndicated pieces near-identical to content already on stronger sites, and they are orphaned — linked only from a paginated archive Googlebot rarely revisits. The fix is twofold: substantially rewrite them into genuinely original, deeper pieces so they earn an index slot on merit, and link them prominently from relevant, already-indexed hub pages so Google both rediscovers them and reads the improved quality signal. The takeaway is that indexation is earned, not requested — most 'not indexed' problems are quality or internal-linking problems wearing a technical disguise.
Part of our defined terms knowledge graph — browse every entry in this branch.
How many pages a search engine will crawl on your site, and how often.
A root-level file that tells crawlers which URLs they may or may not fetch.
A machine-readable list of your important URLs, submitted to help discovery.
Links between pages on your own site, used to spread authority and context.
When multiple pages on one site compete for the same query, weakening all of them.
Common questions
Straight answers on how this fits your marketing and build.
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