What is indexing in SEO?
Indexing is the process where a search engine analyzes a crawled page and stores it in its database, called the index. Only indexed pages are eligible to appear in search results.
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How indexing works
After crawling a page, the search engine processes its content, including text, images, and tags, and decides whether to add it to the index. It also picks a canonical version if duplicates exist.
Being crawled doesn't guarantee being indexed, and being indexed doesn't guarantee ranking.
Why pages don't get indexed
Common reasons include a noindex tag, duplicate or very thin content, a canonical tag pointing elsewhere, and crawling problems. Google Search Console's page indexing report lists the reason for each page.
How to get pages indexed
Make sure pages are crawlable, linked from elsewhere on your site, and listed in your XML sitemap. Offer content with real value, then use the URL Inspection tool to request indexing for important new pages.
Common questions
How long does it take for a page to be indexed?
It can take anywhere from hours to weeks, depending on the site and page. Strong internal links and a sitemap can help new pages get found sooner.
What is a noindex tag?
It's a robots meta tag that tells search engines not to include a page in their index. It's useful for pages like internal search results or thank-you pages.
How do I check whether a page is indexed?
Use the URL Inspection tool in Google Search Console. It shows whether the page is in Google's index and any problems found.
Does robots.txt stop indexing?
Not reliably. It blocks crawling, but a blocked URL can still be indexed if other pages link to it. To keep a page out of the index, use a noindex tag and leave it crawlable.
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