Yes, Refback is free to use. It is available as a free plugin on WordPress.org.

How many websites use Refback?

Refback has 10 active installations as tracked by WordPress.org.

What are the best Refback alternatives?

Popular alternatives to Refback include Comments – wpDiscuz, Honeypot Anti-Spam, DCO Comment Attachment. You can compare them side-by-side on our comparison pages.

Does Refback work with the latest WordPress?

Refback has been tested up to WordPress 5.6.17. It requires WordPress 4.9.9+ and PHP false+.

PluginSift

Refback

Name: Refback
Author: David Shanske

Enable Refbacks on your WordPress site

By David Shanske·Comment·Free

·10 active installs·Updated 5 years ago

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As of April 2026, Refback is a WordPress comment plugin with 10 active installations and a 0/5 rating0. It has been downloaded 1.9K+ times in total. Requires WordPress 4.9.9+ and PHP false+. Available on WordPress.org since 2018. Last updated 5 years ago — may have compatibility concerns. Top alternative: Comments – wpDiscuz.

0/5Rating

10active installs

1.9K+total downloads

8 yearssince 2018

Overview

Refback is a linkback method that works using the standard HTTP Referer header. Like pingbacks, trackbacks, and webmentions, it attempts to present links of other sites that have linked to you.
Unlike other methods, the other site requires no additional support. The implementation works exactly as the other linkbacks do in WordPress.

Read full description on WordPress.org