Email marketing is a tricky process – done right and it can be a valuable tool for driving extra traffic to your site, but get it wrong and all your hard work will be sent to the recycling bin after a brief skim read.

And that’s if the person you’ve sent it to even bothers to open it.

But assuming you’ve enticed someone in with an intriguing subject line, how do you then get them to take the extra step of clicking through to your site?

Litmus has come up with a list of tips for designing an effective call to action, including sizing, colour and placement.

For instance, did you know you could increase CTR simply by including an arrow icon next to the buttons?

As well as telling you the correct way to do things, the infographic below highlights common errors that should be avoided at all costs. Very useful.