Referer spam is not against the law! 3 q9 M W" m; \7 d8 ?2 V/ r. ~ Referer spam also known as log spam or referer bombing. The technique involves making repeated web site requests using a fake referer URL that points to the advertised site. Sites that publicize their access logs, including referer statistics, will then inadvertently link back to the advertised site. These links will be indexed by search engines as they crawl the access logs. Read more about referer spam at Wikipedia.