Automatically generate sitemap divided by month to scale for large website and to reduce the load of each post generation excluding old posts and page
Download, Upgrading, Installation:
ap-google-monthly-xml-sitemapfolder (not just the files in it!) to your
wp-contents/pluginsfolder. If you're using FTP, use 'binary' mode.
If you find any bugs or have any ideas, please mail me.