SEO Premium v3.1.1 – Yoast WordPress Plugin

WordPress on its own is relatively easy to optimize, but its SEO functionality should be extended using WordPress plugins. Yoast offers several WordPress plugins to optimize your WordPress SEO, built around one core WordPress SEO plugin.
v3.1.1 - March 2nd, 2015
Fixes a bug where PHP redirects were broken.
Fixes a bug where users could (temporarily) lose their redirects if our upgrade routine would for some reason not be triggered while updating to versions greater than 3.0.7
Fixes a bug where slashes were shown in the redirect manager for a redirect without a target url (ie. 410)
Fixes a Fatal error that occured when switching from Free to Premium.