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

Desktop73

Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 60 | 75 |
| SEO | 77 | 77 |
| Accessibility | 88 | 82 |
| Best practices | 96 | 92 |
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 / page | Speed | SEO | A11y | Speed | SEO | A11y | Tested |
|---|---|---|---|---|---|---|---|
| mobile | desktop | ||||||
| Luna-Bright default demo ↗ | 60 | 77 | 88 | 75 | 77 | 82 | 2026-11-07 |
| category ↗ | 73 | 77 | 88 | 88 | 77 | 82 | 2026-11-10 |
| home ↗ | 40 | 77 | 87 | 73 | 77 | 79 | 2026-11-07 |
| product ↗ | 66 | 77 | 89 | 64 | 77 | 84 | 2026-11-10 |