What is Referrer spam?
 

Referrer spam also known as log spam or referrer bombing is a bit spamdexing spamming targeted at search engines. The method includes creating repeated web site requests using a fake referrer url that points to the site the spammer wishes to advertise.

In my view each site to those publicity a position to set up a forum so that our website will develop.

Referrer spam is a kind of spamdexing (spamming aimed at search engines). The technique involves making repeated web site requests using a fake referrer url that points to the site the spammer wishes to advertise.

Generally speaking, all without user license is forced to send to a user's email of any E-mail.

Referer spam (also known as log spam or referer bombing) is a kind of spamdexing (spamming aimed at search engines).

I am also waiting the answer of that question.