Estimated organic search traffic trend via Ahrefs' Site Explorer
Let’s start with the obvious one. If organic traffic is going up, you’re doing something right. You can track this in GSC for free. If you don’t have access to GSC, sign up for a free Ahrefs Webmaster Tools (AWT) account. Then plug your domain into Site Explorer for an estimate.
Estimated organic search traffic trend via Ahrefs' Site Explorer