Sumo is a web-based platform providing a suite of free online tools that can be used to grow its users’ website’s traffic. It provides tools that will make it easy for your readers to join your email list, share your articles and optimize with analytics. The free tools include: List Builder will let you create a fancy lightbox pop up to build email subscriptions Share makes it insanely easy for people to share on mobile or web all of your great content. Welcome Mat displays a full-screen call to action that shows when visitors land on your site. Heat Maps help you see where people are clicking (or not) on your website. Scroll Box is an email collection box triggered by how far your reader makes it down the screen. Google Analytics makes it super easy to view your Google Analytics directly on your site. Discover gets you free traffic. Smart Bar is a Floating Bar that can appear at the top or bottom of your website. You can encourage people to subscribe to your newsletter, go to a specific page or follow you on your social networks. Highlighter makes it easy to click to tweet about your article by selecting popular parts of your writing (like Kindle and Medium). Image Sharer makes it stupid simple to share your images (with a link to your post) on Pinterest, Facebook and Twitter. You can even find even more great free tools in their Sumo Store.