themestestedbyWhirlwind eCommerce logo — Shopify and BigCommerce ecommerce development agencyWhirlwind eCommerce

1Center

1Center has 10 themes tested on Themestested, for BigCommerce. Their median Google Lighthouse mobile speed score is 70 (desktop 91), with 0 of 10 scoring 90 or better on mobile. The fastest on mobile is Artify Electronics at 88. Last measured 2026-11-10, on each theme's own demo store.

10themes tested
70median mobile speed
91median desktop speed
68median mobile SEO
81median accessibility
ThemePlatformPriceMobile · speed SEO a11yDesktop · speed SEO a11yTested
Artify Electronics BigCommerce $150 885180 915176 2026-11-08
Artify Beauty BigCommerce $150 815181 985176 2026-11-10
Artify Default BigCommerce $150 805481 915477 2026-11-08
Artify Jewelry BigCommerce $150 805182 955178 2026-11-08
LifeStyle Default BigCommerce Free 718774 908774 2026-11-10
Milano Blue BigCommerce $170 695177 705174 2026-11-07
Milano Default BigCommerce $170 698275 818274 2026-11-10
Italiano Decor BigCommerce $250 668589 928588 2026-11-08
Italiano Fashion BigCommerce $250 668587 928292 2026-11-07
Italiano Jewelry BigCommerce $250 648586 918593 2026-11-07

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.

Artify Electronics: mobile speed 88 on Themestested
<a href="https://themestested.com/theme/bigcommerce/artify-electronics"><img src="https://themestested.com/badge/bigcommerce/artify-electronics.svg" alt="Artify Electronics 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.