themestestedbyWhirlwind eCommerce logo — Shopify and BigCommerce ecommerce development agencyWhirlwind eCommerce
Luna Light theme preview

Luna Light

Luna Light is a BigCommerce theme by epicShops ($300). Tested on 2026-11-10 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 56 for mobile speed and 89 for desktop speed, 80/80 for SEO and 88/83 for accessibility (mobile/desktop, 0–100).

Mobile43
Luna Light home page on mobile
Desktop80
Luna Light home page on desktop

Scores

MobileDesktop
Speed5689
SEO8080
Accessibility8883
Best practices100100

Single preset · measured 30 times since 2026-11-07 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.

Why not 100 — Luna-Light home page

Mobile

Speed 43 · 57 points to gain

  • −25 Largest Contentful Paint medium effort
  • −24 Cumulative Layout Shift medium effort
  • −4.2 First Contentful Paint medium effort
  • −4 Speed Index medium effort
  • 1.1 s Reduce unused JavaScript high effort
  • 450 ms Reduce unused CSS high effort
  • 150 ms Minify JavaScript low effort

SEO 85 · 15 points to gain

  • −7.7 Links do not have descriptive text low effort
  • −7.7 Links are not crawlable medium effort

Accessibility 87 · 13 points to gain

  • −3.3 Background and foreground colors do not have a sufficient contrast ratio. medium effort
  • −3.3 Links do not have a discernible name medium effort
  • −3.3 Touch targets do not have sufficient size or spacing. medium effort
  • −1.4 Heading elements are not in a sequentially-descending order medium effort
  • −1.4 Document does not have a main landmark. medium effort

Desktop

Speed 80 · 20 points to gain

  • −12.8 Cumulative Layout Shift medium effort
  • −6.5 Largest Contentful Paint medium effort

SEO 85 · 15 points to gain

  • −7.7 Links do not have descriptive text low effort
  • −7.7 Links are not crawlable medium effort

Accessibility 82 · 18 points to gain

  • −4.6 Buttons do not have an accessible name medium effort
  • −4.6 Select elements do not have associated label elements. medium effort
  • −3.2 Background and foreground colors do not have a sufficient contrast ratio. medium effort
  • −3.2 Touch targets do not have sufficient size or spacing. medium effort
  • −1.4 Heading elements are not in a sequentially-descending order medium effort
  • −1.4 Document does not have a main landmark. medium effort

Presets and pages

Preset / pageSpeedSEOA11ySpeedSEOA11yTested
mobiledesktop
Luna-Light default demo ↗ 568088898083 2026-11-07
category ↗ 537791967785 2026-11-10
home ↗ 438587808582 2026-11-07
product ↗ 737786927781 2026-11-07

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Luna Light: mobile speed 56 on Themestested
<a href="https://themestested.com/theme/bigcommerce/luna-light"><img src="https://themestested.com/badge/bigcommerce/luna-light.svg" alt="Luna Light speed score on Themestested" height="20"></a>

Add ?device=d for the desktop score, or ?metric=seo / ?metric=a11y for SEO or accessibility.