Fixed TOC is a powerful WordPress plugin. It scans headings through the post content automatically and creates the table of contents, Fixed in the page display. Users can faster find the content they want.
Demo https://codecanyon.net/item/fixed-toc-wordpress-plugin/7264676
Downloadhttps://www.filecad.com/ilv0/Fixed-TOC-v3.1.15---table-of-contents-for-WordPress-plugin.rar