What Is Indexing?
Indexing is the process search engines use to store and organise information about a web page in a searchable database. An indexed page may qualify to appear in search results when its content matches a query. Indexing differs from crawling, which discovers and fetches pages but does not decide whether search results can include them.
Quick Facts About Indexing
Category
Technical SEO process
Used for
Search result eligibility
Common confusion
Crawling is not indexing
Also called
Search engine indexing, Web indexing
Often discussed with
Technical SEO
Key Takeaways About Indexing
- Indexing stores page information in a search engine database.
- A crawled page is not automatically indexed.
- Indexing does not guarantee prominent search visibility.
How Indexing Works
Indexing starts after a search engine discovers and processes a page. The engine analyses the page content, visible text, links, structured data, and canonical signals. It then decides whether the page adds useful information to its database.
Related glossary terms: Crawl budget, Google Search Console, Mobile-first indexing.
Google Search Console can show whether a page is indexed, excluded, or affected by an indexing issue. A page may remain unindexed because of a noindex instruction, duplicate content, access restrictions, or quality signals. Correcting the underlying cause can make the page eligible for processing again, although eligibility does not guarantee a particular search position.
Expert Note
When we review Indexing, we check important service pages, technical directives, canonical signals, and sitemap references. We compare those checks with Google Search Console coverage information. We also test whether pages that should support local dental searches remain accessible for search engine processing.
Indexing in Practice: A Real-World Example
A Sydney dental clinic publishes a page about emergency tooth repairs, but the page contains a noindex instruction. Search engines may crawl the page but exclude it from their searchable database until the instruction is removed.
Related Services
Related Terms
Crawl budget
Crawl budget is the amount of attention a search engine crawler allocates to discovering and revisiting…
Google Search Console
Google Search Console is a free Google service that shows how a website appears in Google…
Mobile-first indexing
Mobile-first indexing is the process Google uses to assess and index the mobile version of a…
Sitemap
Sitemap is a file that lists the important URLs on a website and gives search engines…
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