Campaign Monitor asserts that the average open rate for email marketing is generally 20% – 30%. Your marketing message is five times more likely to be seen by email than on Facebook. Clickthrough rates from email are around 3%, while clickthrough rates on tweets are roughly 0.5%. Therefore, you’re six times more likely to get a clickthrough from email than you are from Twitter.
A tracking pixel is a snippet of code that allows you to track your subscribers’ activity across various channels like your website, landing pages, and newsletters. Then, you also have the option to send emails triggered by certain behaviors. So for example, if a subscriber goes to your site and checks out your product page, a tracking pixel can send an email with a special offer for the specific product the viewed.