Tobias Nyholm

This plugin puts a table of contents on your page. You just need to type <code>[toc levels=3 title="Table of contents"]</code> in the page/post editor. That’s it! 
You dont need to edit your themes source code. The plugin allows you to set a title of the toc box. You can also choose which heading tags (h1,h2,h3,h4 etc) 
you want to have in the table of contents. For more information see installation page or the 
<a href="http://www.webfish.se/wp/plugins/seo-friendly-table-of-contents" title="Webfish - WordPress plugin" rel="nofollow ugc">Webfish</a> homepage.

Seo Friendly Table of Contents

A simple seo friendly table of contents plugin that does not require editing in your themes source code.

Noruzzaman

WP Messiah

BoomDevs

MD Robin Islam

Md Enamul Haq

Excellent Plugin

Easily creates SEO-friendly table of contents for your blog posts and pages. Offers both Auto and Manual Insert with highly customization options.

Seo Friendly Table of Contents vs TOP Table Of Contents