Conclusion:

Debut has a global rank of 848 and an overall pagespeed score of 86.
Debut uses 15 resources in total, which is 208 kB of data.

This theme is faster than 67.21% of other themes we have tested.

Description by publisher:

Debut is a solid and clean responsive theme, for sharing your ideas with the world. Make Debut your own by changing the background, colors and more with the new Theme Customizer and real-time preview. Based on _s by Automattic, Debut is translation-ready (French is already included), supports featured images, has five widget areas and includes a sliding menu for mobile screens. Debut also includes a full-width page template, and a special menu for adding social media icons.