Please see the up-to-date version maintained by Yoast: https://github.com/Yoast/yoast-acf-analysis/
WordPress plugin that adds the content of all ACF fields to the Yoast SEO score analysis.
##Description Yoasts SEO's score analysis does not take in to account the content of a post's Advanced Custom Fields. This plugin uses Yoast 3.0's plugin system to hook into the analyser in order to add ACF content to the SEO analysis.
This had previously been done by the WordPress SEO ACF Content Analysis plugin but that no longer works with Yoast 3.0. Kudos to ryuheixys, the author of that plugin, for the original idea.
Please note that this does not work with the "Recalculate SEO scores" tool in Yoast SEO's admin area. I am looking into that.