themestestedbyWhirlwind eCommerce logo — Shopify and BigCommerce ecommerce development agencyWhirlwind eCommerce

BigMadness

BigMadness has 6 themes tested on Themestested, for BigCommerce. Their median Google Lighthouse mobile speed score is 50 (desktop 63), with 0 of 6 scoring 90 or better on mobile. The fastest on mobile is SUMNIMA OUTFIT at 67. Last measured 2026-11-10, on each theme's own demo store.

6themes tested
50median mobile speed
63median desktop speed
90median mobile SEO
93median accessibility
ThemePlatformPriceMobile · speed SEO a11yDesktop · speed SEO a11yTested
SUMNIMA OUTFIT BigCommerce $320 679092 669087 2026-11-07
Minimal Solo BigCommerce $420 649090 789090 2026-11-07
Guransh Home BigCommerce $350 509096 679097 2026-11-10
Minimal Serene BigCommerce $420 498795 608795 2026-11-10
Guransh Essence BigCommerce $350 469292 589293 2026-11-10
Ratna Glam BigCommerce $450 419094 579095 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.

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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.

SUMNIMA OUTFIT: mobile speed 67 on Themestested
<a href="https://themestested.com/theme/bigcommerce/sumnima-outfit"><img src="https://themestested.com/badge/bigcommerce/sumnima-outfit.svg" alt="SUMNIMA OUTFIT 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.