Add a new field below the post title and use something like my transliteration table to convert the post slug to US-ASCII. Then save that new slug in a meta field. Hook into 404_template (example), and run a meta query for the current slug. If you found something, use get_permalink() for the result and wp_redirect() … Read more
Is your Blog page the one that’s set in the back end at Settings > Reading > Posts page? If so, try checking for that in your first function: /* Add .htm extension to Page URL Links */ add_action(‘init’, ‘htm_page_permalink’, -1); function htm_page_permalink() { global $post; if( get_option( ‘page_for_posts’ ) == $post->ID ) { // … Read more
How to pass url as a parameter in a add_rewrite_rule
Add parameter to URL
URL Rewrite and add_query_var not working
Ignoring slug capitalization on rewrite rule for custom post type archive page
Help with .htaccess and Login with Subfolders
How to rewrite AJAX call URL to admin-ajax.php to match REST style URLs
Specific routing for CPT
Pretty URLs and custom post types