Kevin Leary

Automatically link keywords and phrases to pages within a website. For example, you can make the phase “wordpress cms” automatically link to the page yoursite.com/wordpress-cms/. This is a good practice to follow for SEO, and also has the added advantage of decreasing your website’s bounce rate.

Internal Link Manager

Easily manage automated internal links throughout your website.

DEJAN

CopyLink is a WordPress plugin which places automatic links on text copied from your website.
People copy content from websites they visit and spread it around via email, social media, blogs and other online channels. Content copied from a CopyLink enabled website receives automatic links to pages content was copied from.
User Benefits:
Helps users find original source of information 
Simplifies linking process for bloggers referencing your material 
Improves the quality of citations on the web 
Helps search engines index and serve quality content 
Link attribution is optional and not forced on end-user
Webmaster Benefits:
Take control of how your content is linked 
Prevent content duplication 
Help promote your content and website 
Receive valuable and relevant traffic 
Earn natural links and improve your SEO
Plugin Features
Attribution prefix (e.g. Via: or Author: ) can be customised in the plugin�s settings page. CopyLink can also track additional statistics such as: IP address, date, user agent, link and copied content. This information can be stored in the database for future reference. Auto-generated attribution is not forced and can be removed by the end user if they choose not to include the link. Live link option is not available when pasting into basic text editors such as Notepad.

CopyLink

CopyLink is a WordPress plugin which places automatic links on text copied from your website.

Internal Link Manager vs CopyLink