It might be important for you to opt out your site as a whole or sections of it from appearing in search results. For example, you might not want your posts about your new embarrassing haircut to show up in search results. Google supports various ways that lets you opt out of crawling and indexing of your URLs. If you need to block some files, directories, or even your whole site from Google Search, check out our guide about ways to prevent content from appearing in search results.