Yes. Whether you're creating a new website or making changes to an existing one, it is imperative to maintain a consistent URL structure (having a trailing slash or not having it). Inconsistencies in URLs can lead to various issues, including the need to set up redirects and a temporary decrease in rankings during the Google bot's reindexation process. To gain a deeper understanding of this topic, I recommend referring to our comprehensive enterprise migration guide. It provides valuable insights and guidance on managing website migration smoothly and effectively.