On Short.io, you can add various tags to short links and filter URLs based on a tag's name. For example, you can collect links dedicated to social networks, for a website, or a blog. So to say, create folders for URLs.
Here's how you can add tags: https://help.short.io/en/articles/4065897-how-to-add-tags-to-a-short-link
Filtering tags is available by two ways:
Click on a needed tag from your dashboard.
2. Open the filter search bar and type a needed tag.
Click Apply and list of links with specified tag will appear.