Looking for envato's tooltip

I’m using free version of Tooltipy (https://wordpress.org/plugins/bluet-keywords-tooltip-generator/) in my wordpress website and I have over 2000 keywords on it. Unfortunately my website’s load speed goes down and there is no way to fix this problem with the plugin.
Now I’m looking for the plugin that is used in envato website and I would like to buy it
Could you please help me to find this plugin?

Maybe is not problem in plugin than in your hosting. If you have some cheap shared hosting you cant except some speed.