themestestedbyWhirlwind eCommerce logo — Shopify and BigCommerce ecommerce development agencyWhirlwind eCommerce

MPIthemes

MPIthemes has 3 themes tested on Themestested, for Shopify. Their median Google Lighthouse mobile speed score is 82 (desktop 93), with 1 of 3 scoring 90 or better on mobile. The fastest on mobile is Unicorn at 90. Last measured 2026-11-10, on each theme's own demo store.

3themes tested
82median mobile speed
93median desktop speed
100median mobile SEO
91median accessibility
ThemePlatformPriceMobile · speed SEO a11yDesktop · speed SEO a11yTested
Unicorn Shopify $100 9010091 9310092 2026-11-07
Shella Shopify $39 8210086 9810081 2026-11-10
Triumph Shopify $100 689793 879793 2026-11-10

Sorted by mobile speed. Each theme's score is the median of its tested presets; open a theme for its pages, history and the audits behind the number.

Show your scores

Any of these themes can carry its live score on your own site. The badge is an image that always shows the current number, links back to the theme's page here, and updates as the theme is re-tested.

Unicorn: mobile speed 90 on Themestested
<a href="https://themestested.com/theme/shopify/unicorn"><img src="https://themestested.com/badge/shopify/unicorn.svg" alt="Unicorn speed score on Themestested" height="20"></a>

Swap the theme in the address for any of yours. Add ?device=d for the desktop score, or ?metric=seo / ?metric=a11y for SEO or accessibility.