<a rel="nofollow" href="https://www.google.com/" rel="noopener noreferrer" target="_blank">google.com</a>

dont use just target="_blank" without  rel="noopener noreferrer" 
It Makes Your Site Vulnerable to Phishing Attacks
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<a rel="nofollow" href="#" target="_blank">By this you can open your document in new tab</a>
<a rel="nofollow" href="#" target="_self"> by this linked document in the same frame as it was clicked (this is default)</a>
<a rel="nofollow" href="#" target="_parent">by this linked document in the parent frame</a>
<a rel="nofollow" href="#" target="_top">Opens the linked document in the full body of the window</a>

simply
<a rel="nofollow" href="#" target="_blank"> will open your link in new tab