URL encoding

+ The + sign in the URL represents a space%2B
Spaces Spaces in URLs can be encoded with a + sign or %20
/ separates directories and subdirectories %2F　　　
? separates the actual URL from the parameter %3F
% specifies the special character %25
# Indicates bookmark %23
& separator between parameters specified in URL%26
= the value of the specified parameter in the URL %3D

 

Excerpted from: https://www.cnblogs.com/panie2015/p/5885922.html