Using Links and Providing Attribution
When you write a blog post about a topic you found via another blog or website, you should attribute your source with a link. Give credit where credit is due. Not only is it the right thing to do ethically, but it can help your blog grow, thanks to WordPress’s trackback function.
A trackback is a virtual shoulder tap from one blog to another. When you publish a blog post that includes a link to another blog that has enabled its trackback function, the link to your blog post is published within the comments section of the other blog.
An example of a trackback published in the comments section ...