What is the optimal HTTP status code to permanently remove a URL from Google's index?

[jacobroy175]

What is the optimal HTTP status code to permanently remove a URL from Google's index?


A: 301

B: 302

C: 404

D: 410

E: 500

 

[dineshacservice]

HyperText Transfer Protocol (or HTTP) response status codes are returned whenever search engines or website visitors make a request to a web server. These three-digit codes indicate the response and status of HTTP requests.