What Is Crawling in SEO and How Does It Work?
Crawling is how search engines find your pages. Here is what it is, how it differs from indexing, what Googlebot, crawl budget, crawl errors and crawl traps are, and how to check Google can crawl your site.
Crawling is how search engines use automated bots to discover and read pages by following links. It differs from indexing: crawling reads a page, indexing stores and organises it. Googlebot is Google's crawler; crawl budget is roughly how many pages Google will crawl in a period. A crawl error is when a page cannot be accessed; a crawl trap generates endless low-value URLs. Check crawlability with Search Console and your robots file.
What crawling is, and how it differs from indexing
Crawling is the process by which search engines use automated bots to discover and read pages on the web by following links, and it is how Google finds your content. Because a page must be crawled before it can be considered for search, crawling is the essential first step in how a page reaches results. Crawling is discovering and reading a page, while indexing is storing and organising it so it can appear in results, with indexation being that storage step. They are separate stages; because a page can be crawled but not indexed, both need to happen for a page to show in search, which is why we watch both in technical audits.
Discover
Bots follow links.
Index
Store and organise.
Both needed
To appear in search.
Googlebot, crawl budget, errors and traps, and checking crawlability
Googlebot is Google's web crawler, the bot that visits and reads pages, while crawl budget is roughly how many pages Google will crawl on your site in a given period. Both affect discovery; because large or inefficient sites can use up crawl budget, keeping a site clean and crawlable helps important pages get found. A crawl error is when a search engine cannot access a page it tried to reach, while a crawl trap is a structure that generates endless low-value URLs that waste crawling. Both harm efficiency; because they stop good pages being crawled or drain crawl budget, finding and fixing them is part of technical SEO. You check whether Google can crawl your website using Google Search Console, which shows crawl status and errors, and by reviewing your robots file and which pages should or should not be blocked. Testing reveals problems; because some pages, like admin or duplicate URLs, should be blocked while important ones must stay open, checking keeps crawling focused on what matters, which starts with your robots.txt file.
Crawlable, indexable,
found.
We make sure search engines can crawl and index the pages that matter, and that the ones that should not be crawled are handled cleanly. Technical foundations built into every site we manage.
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