The robots.txt file tells search engines which URLs they are allowed to access on your site. If it’s incorrectly configured, you could unintentionally block valuable content from appearing in search results.
Major search engines such as Google, Bing and Yahoo regularly check this file for instructions on how to crawl your website. Without one, they will attempt to crawl the entire site — including private or low-value areas that you might prefer to keep out of search results.
Most reputable search engines follow robots.txt directives, but it’s worth noting that they are guidelines rather than enforceable rules — meaning some crawlers may ignore them entirely.
The importance of robots.txt depends on the size and structure of your site:
In short, for most dealer websites — especially those with extensive stock listings, archives, or multiple content sections — a properly configured robots.txt file is an important part of SEO strategy.