Do not post the AJAX request to the page you are viewing, use the AJAX API instead.
To get the permalink for the blog page use:
get_permalink( get_option( 'page_for_posts' ) );
Do not post the AJAX request to the page you are viewing, use the AJAX API instead.
To get the permalink for the blog page use:
get_permalink( get_option( 'page_for_posts' ) );