SEO stands for Search Engine Optimization, and it’s the practice of optimizing your website to rank higher in search engine results pages (SERPs). SEO is important because higher rankings in SERPs can lead to more traffic to your site, which can increase conversions and revenue.

Web crawlers, also known as spiders or bots, use a set of algorithms and processes to browse the web and index content systematically. The goal is to discover, download, and store information about web pages to create an index that search engines can use to provide relevant search results.

What is robots.txt and how does it affect SEO?