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

How many websites use Full Fact?

Full Fact has 90 active installations as tracked by WordPress.org.

What are the best Full Fact alternatives?

Popular alternatives to Full Fact include Yoast SEO – Advanced SEO with real-time…, All in One SEO – Powerful SEO Plugin to…, Rank Math SEO – AI SEO Tools to…. You can compare them side-by-side on our comparison pages.

Does Full Fact work with the latest WordPress?

Full Fact has been tested up to WordPress 5.5.18. It requires WordPress 5.1+ and PHP 5.6+.

PluginSift

Full Fact – Claim Review Schema

Name: Full Fact – Claim Review Schema
Author: Rhys Wynne

Implements Claim Review Schema on sites, mainly to allow fact checking organisations to structure their fact checks in machine readable ways.

By Rhys Wynne·Schema·Free

·90 active installs·Updated 5 years ago

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As of April 2026, Full Fact is a WordPress schema plugin with 90 active installations and a 0/5 rating0. It has been downloaded 4.1K+ times in total. Requires WordPress 5.1+ and PHP 5.6+. Available on WordPress.org since 2019. Last updated 5 years ago — may have compatibility concerns. Top alternative: Yoast SEO – Advanced SEO with real-time….

0/5Rating

90active installs

4.1K+total downloads

7 yearssince 2019

Overview

Claim Review Schema is a Schema led by an international consortium of fact checkers. It allows fact checking organisations to tag their articles in such a way that allows third parties such as Google, Facebook, Bing & Youtube to analyse and sort the fact checking data accordingly in their indexes.

This plugin was created by an independent UK Fact Checking Charity Full Fact, it allows fact checkers to quickly and easily fill in the details needed for claim review schema, and adds it onto every single article that is published.

This plugin was built on a server with PHP 7.0 running. It has been tested on a PHP 5.6 server and it works as intended, however we’d recommend that it’s run on a server with a minimum of PHP 7.0. Support will only be provided with servers that run a…

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