Conclusion:

Tonic has a global rank of 802 and an overall pagespeed score of 86.
Tonic uses 20 resources in total, which is 498 kB of data.

This theme is faster than 68.99% of other themes we have tested.

Description by publisher:

Create a truly unique design with Tonic, a lightweight and fully responsive HTML5 theme based on the Gridiculous boilerplate. Use the new Theme Options customizer to add your own header image, custom background, page layout, site width and more. Distinguish each post with one of the eight supported post formats, such as: Video, Image, Aside, Status, Audio, Quote, Link and Gallery. Install JetPack to display each of your galleries through a tiled view and jQuery carousel. Compatible with bbPress & BuddyPress. Built using SASS, Compass and Twitter Bootstrap. Tonic uses Google Fonts for improved typeface readability and works perfectly in desktop browsers, tablets and handheld devices. For a live demo go to http://demos.bavotasan.com/tonic/.