web83info

This plugin allows a user to login by specific referer.
<h3>Donation</h3>
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Login by Referer

This plugin allows a user to login by specific referer.

Andy Stratton

bmoredrew

WP Maintainer

Sizeable Labs

Referer spam has been growing and clogging up website analytics data (such as Google Analytics) with fraudulent traffic statistics. Millions of users are reporting issues and it has become a major nuisance.
Block these malicious sites easily. All major referer spam domains blocked out of the box and you can customize the domain keyword lists to block any domains you wish. Brought to you by the team of WordPress experts at WP Maintainer.

Referer Spam Blocker

Block/blacklist known (and custom) spam referring domains at the WordPress level with an HTTP 403 Forbidden page.

Login by Referer vs Referer Spam Blocker