Web Crawling and Indexing Demystified for SEO Success

Learn the Essentials of Web Crawling and Indexing for Better SEO Results

Leo Serafico
3 min readMar 16


White spider web below a picture of someone on their laptop. The background is blue with the text “Crawl your website. Make sure you’re seen.”

The digital landscape has transformed the way businesses and brands operate, and having a website has become essential for success.

However, simply having a website is not enough to attract visitors and increase online visibility.

To succeed in the online world, you must have a solid understanding of the fundamental principles of SEO, including web crawling and indexing.

You can increase your website’s visibility and attract more traffic which ultimately leads to higher rankings and greater online success by understanding how web crawling and indexing work.

What is Web Crawling?

Web crawling is the process by which search engines discover new and updated pages on the internet. It uses automated software called crawlers or spiders to scan websites and gather content information

These crawlers follow links from one page to another, building a map of the entire internet. This process is also known as web indexing, which we’ll explore in more detail later on.

How Do Search Engines Use Web Crawling?

Search engines like Google use web crawling to discover new pages and updates to existing pages. Information gathered by web crawlers is used to build an index, which is essentially a database of all the web pages that the search engine has discovered. When a user types in a search query, the search engine uses this index to provide relevant results.

Why is Web Crawling Important for SEO?

Web crawling is important for SEO because it helps search engines discover and index your website’s content. Without web crawling, your website would not be included in search results and would not be visible to potential customers leading to less to no sales.

By optimizing your website for web crawling, you can ensure that search engines are able to easily find and understand your content, which can lead to higher rankings and increased visibility.