Search Signals is a resource for anyone who wants to learn SEO through practical examples that you can learn from and practice with. The concept is inspired by Zed Shaw’s Learning Code the Hard Way. Technical SEOCoding for SEO Latest UpdateHow to do a Reverse DNS LookupA reverse DNS lookup is sometimes called a reverse IP lookup because you start with an IP address and use it to lookup a hostname. For example, if you have an IP address like 66.249.64.10, a reverse DNS lookup will return the hostname crawl-66-249-64-10.googlebot.com.https://searchsignals.com/how-to-do-a-reverse-dns-lookupRobots.txt: A Practical GuideThis guide is for beginner to intermediate professionals. The robots.txt file is a special text file that tells web crawlers, like Googlebot, which areas of your website they are ✅ allowed to access and which areas are ⛔️ restricted.https://searchsignals.com/robotstxt-a-practical-guideSearch Appearance Mapping for GSC API CodesIn Google Search Console, you can filter by Search Appearance. Search appearance types are usually based on adding structured data to your webpages to trigger a rich snippet (aka rich result). While Google provides a list of search appearances along with a search gallery to show the various rich results, they don't provide a mapping of the search appearance codes found in the Google Search Console API responses.https://searchsignals.com/search-appearance-mapping-for-gsc-api-codes