themestestedbyWhirlwind eCommerceWhirlwind eCommerce

Kosta

Kosta has 3 themes tested on Themestested, for Framer. Their median Google Lighthouse mobile speed score is 85 (desktop 100), with 0 of 3 scoring 90 or better on mobile. The fastest on mobile is JohnSmith at 88. Last measured 2026-09-13, on each theme's own demo store.

3themes tested
85median mobile speed
100median desktop speed
100median mobile SEO
89median accessibility
ThemePlatformPriceMobile · speed SEO a11yDesktop · speed SEO a11yTested
JohnSmith Framer Free 8810065 10010074 2026-09-13
Framojo Framer Free 8510096 10010096 2026-09-13
FullBalance Framer Free 8210089 9810089 2026-09-13

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.

JohnSmith: mobile speed 88 on Themestested 
<a href="https://themestested.com/theme/framer/johnsmith"><img src="https://themestested.com/badge/framer/johnsmith.svg" alt="JohnSmith 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.