Your blog post title and URL play an important role in SEO. Having a duplicate post title can negatively the affect SEO performance of your site. WordPress deals with duplicate post titles by adding a number at the end of URL slug. However these titles are still duplicate, and you should try to avoid them. In this article, we will show you how to prevent duplicate post titles in WordPress.
How WordPress Handles Duplicate Post Titles
WordPress automatically uses the post title as URL slug.
In case of a duplicate post title, WordPress tries to distinguish the title by adding a number at the end of the URL slug.
Since both post titles are still using the same keywords, this could confuse search engines when deciding which post should be ranked for the keywords used in the title.
Avoiding Duplicate Post Titles in WordPress
If you are running a single author website, then you can easily avoid this