"<a href="http://www.sololearn.com" target="_self"> Learn Playing </a> " what will happens now?

Answer 1

_blank: Opens the linked document in a new window or tab.
_self : Opens the linked document in the same frame as it was clicked (this is default).
_parent : Opens the linked document in the parent frame.
_top: Opens the linked document in the full body of the window.

Answer 2

it's open in the same windows showing sololearn Web site