Blocks referer/referral spam from accessing your site and cleans up your Google Analytics in the process!
As of April 2026, Block Referer Spam is a WordPress spam plugin with 600 active installations and a 3.4/5 rating from 21 reviews. It has been downloaded 24K+ times in total. Requires WordPress 3.0.2+ and PHP false+. Available on WordPress.org since 2015. Last updated 2 years ago — may have compatibility concerns. Top alternative: Akismet Anti-spam: Spam Protection.
Block Referer Spam aims at blocking all (or most) websites that use Referer Spam to promote their – often somewhat dodgy – website content. This is accomplished by bots that simulate human behavior. They do this so well, that they even show up in Google Analytics. This plugin does not require any special configuration after installation. Once active and auto-update is enabled, you will barely see any of those nasty spammers any more.
From Wikipedia:
Referrer spam (also known as log spam or referrer
bombing) is a kind of spamdexing (spamming aimed
at search engines). The technique involves making
repeated web site requests using a fake referer URL
to the site the spammer wishes to advertise. Sites that
publish their access logs, including referer statistics,
will then inadvertently link ba…| WordPress | 3.0.2+ requiredTested up to 6.2.9 |
| PHP | false+ required |
Plugin data sourced from WordPress.org. Analysis and metrics by PluginSift.