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.
Robots.txt: A Practical Guide
This 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.
How to Do a Reverse DNS Lookup
A 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 188.8.131.52, a reverse DNS lookup will return the hostname crawl-66-249-64-10.googlebot.com.