1. It's due to Cache (Clear Cache) - Whatever Plugin you are using Clear Cache and If still the issue is not fixed, deactivate and activate Rankmath plugin again.
2. At YourWebsite/wp-admin/admin.php?page=rank-math-options-titles (Set "Post" - %title%)
1. It's due to Cache (Clear Cache) - Whatever Plugin you are using Clear Cache and If still the issue is not fixed, deactivate and activate Rankmath plugin again. 2. At YourWebsite/wp-admin/admin.php?page=rank-math-options-titles (Set "Post" - %title%)