There are loads of free themes available out there – some that look very professional with some excellent features and some that are, by comparison, amateurish. However, not all of these self-billed premium themes are all they seem to be.
Often they can include encrypted text and/or embedded links – so it’s worth checking these out if you’re considering implementing them in to your web design.
An absolutely invaluable tool for achieving this is the Theme Authenticity Checker for WordPress.
You can get a copy HERE