HTTP is a simple communication protocol based on TCP/IP and is the absolute substratum for data delivery on the World Wide Web. For many years, HTTP is serving as a powerful protocol wherein ...
Even non-developers are familiar with the 404 – Not Found status code. Some Web application users may have been exposed to more arcane (and sometimes scary) messages like 500 – Internal Server Error, ...
Gary Illyes from Google said on LinkedIn that if your server returns a 500/503 HTTP status code for an extended period of time for your robots.txt file, then Google may remove your site completely ...