A lot of blogs compare Flatsome to Porto, but they don’t mention theme speed. Because performance is critical for online stores, our blog post will focus only on this.
The data below is from our yearly WooCommerce theme performance benchmark. We’ve created the test so that everyone can make an informed decision when choosing a theme. To see all the themes tested, the methodology, and full results, read the fastest WooCommerce theme.
The 2020/21 test was done in mid-December 2020.
If you’re looking for a partner to help you with your store performance, take a look at our website. WooCart is the only hosting built exclusively for WooCommerce and we’re focused on making your store fast and easy to maintain.
Flatsome vs Porto Speed Test Results
In all cases the lowest number is the best.
Page Load Time – Overall
This is the average of the three tests.

Page Load Time – Single Pages
Each page was tested 10 times. The result is the median.



Theme | Version | ZIP Size | Overall | Home | Shop Page | Product Page |
---|---|---|---|---|---|---|
Flatsome | 3.12.3 | 5.7MB | 820 | 652 | 744 | 1064 |
Porto | 5.5.1 | 14.2MB | 1050 | 871 | 1049 | 1231 |
Which theme should you choose?
If you’re primarily interested in performance, then Flatsome is the winner, as it takes 22% less time to load than Porto. Flatsome also scored 3rd place on our theme benchmark test, while Porto finished 10th.
To learn how other themes scored, see our theme benchmark blog post.