Conclusion:

TwentyXS has a global rank of 1787 and an overall pagespeed score of 84.
TwentyXS uses 17 resources in total, which is 288 kB of data.

This theme is faster than 30.9% of other themes we have tested.

Description by publisher:

TwentyXS is a stylish, customizable, simple and readable theme. You can easily add a custom menu, change header image and background. TwentyXS supports nine widgetized areas (two sidebars, three areas beneath the logo, four in the footer area) and featured images (thumbnails for gallery posts and custom header images for posts and pages). It includes stylesheets for print and the admin Visual Editor, special styles for posts in the "Asides" and "Gallery" categories. In the footer area you find a random posts box.