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Luna Bright theme preview

Luna Bright

Luna Bright 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 60 for mobile speed and 75 for desktop speed, 77/77 for SEO and 88/82 for accessibility (mobile/desktop, 0–100).

Mobile40
Luna Bright home page on mobile
Desktop73
Luna Bright home page on desktop

Scores

MobileDesktop
Speed6075
SEO7777
Accessibility8882
Best practices9692

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

Why not 100 — Luna-Bright home page

Mobile

Speed 40 · 60 points to gain

  • −25 Largest Contentful Paint medium effort
  • −23.8 Cumulative Layout Shift medium effort
  • −5.4 Speed Index medium effort
  • −4.4 First Contentful Paint medium effort
  • −1.2 Total Blocking Time medium effort
  • 760 ms Reduce unused JavaScript high effort
  • 660 ms Reduce unused CSS high effort
  • 150 ms Minify JavaScript low effort

SEO 77 · 23 points to gain

  • −7.7 Document does not have a meta description low effort
  • −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

Best practices 96 · 4 points to gain

  • −3.8 Browser errors were logged to the console medium effort

Desktop

Speed 73 · 27 points to gain

  • −18 Cumulative Layout Shift medium effort
  • −8.5 Largest Contentful Paint medium effort
  • −0.7 Speed Index medium effort
  • 100 ms Reduce unused CSS high effort

SEO 77 · 23 points to gain

  • −7.7 Document does not have a meta description low effort
  • −7.7 Links do not have descriptive text low effort
  • −7.7 Links are not crawlable medium effort

Accessibility 79 · 21 points to gain

  • −4.5 Buttons do not have an accessible name medium effort
  • −4.5 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 Links do not have a discernible name 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

Best practices 92 · 8 points to gain

  • −3.8 Serves images with low resolution low effort
  • −3.8 Browser errors were logged to the console medium effort

Presets and pages

Preset / pageSpeedSEOA11ySpeedSEOA11yTested
mobiledesktop
Luna-Bright default demo ↗ 607788757782 2026-11-07
category ↗ 737788887782 2026-11-10
home ↗ 407787737779 2026-11-07
product ↗ 667789647784 2026-11-10

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Luna Bright: mobile speed 60 on Themestested
<a href="https://themestested.com/theme/bigcommerce/luna-bright"><img src="https://themestested.com/badge/bigcommerce/luna-bright.svg" alt="Luna Bright speed score on Themestested" height="20"></a>

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