Find and fix errors 404 (Page not found) of your WordPress blog

[update 2018] The plugin presented in the article below is no longer available. For more details on how to create a 404 page, how to identify if site visitors are accessing 404 pages (non-existent), and how to correct these issues, see the Google Console (which provides reports on the health of your website) and the article dedicated to this topic on… Read More