Dumb SEO Questions

(Entry was posted by LaManouchka on this post in the Dumb SEO Questions community on Facebook, 12/14/2017).

Hello, I have a question about duplicate content

Hello, I have a question about duplicate content. I have been told to use cononical URLs when copy a blog post from my website to publish it on Medium or Linkedin in order to avoid duplicate content sanction.
Is it really a good practice & what is the official rule about this case.
Thanks for your help !
This question begins at 00:14:36 into the clip. Did this video clip play correctly? Watch this question on YouTube commencing at 00:14:36
Video would not load
I see YouTube error message
I see static
Video clip did not start at this question

YOUR ANSWERS

Selected answers from the Dumb SEO Questions Facebook & G+ community.

    View original question in the Dumb SEO Questions community on Facebook, 12/14/2017).