Luna Dark
Luna Dark is a BigCommerce theme by epicShops ($300). Tested on 2026-11-07 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 64 for mobile speed and 75 for desktop speed, 77/77 for SEO and 88/82 for accessibility (mobile/desktop, 0–100).
Mobile67

Desktop63

Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 64 | 75 |
| SEO | 77 | 77 |
| Accessibility | 88 | 82 |
| Best practices | 96 | 96 |
Single preset · measured 30 times since 2026-11-07 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Luna-Dark home page
Mobile
Speed 67 · 33 points to gain
- −25 Largest Contentful Paint medium effort
- −4.1 Speed Index medium effort
- −2.7 Total Blocking Time medium effort
- −0.9 First Contentful Paint medium effort
- 450 ms Reduce unused CSS high effort
- 300 ms Reduce unused JavaScript 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 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 63 · 37 points to gain
- −19.3 Largest Contentful Paint medium effort
- −17 Cumulative Layout Shift medium effort
- −1 Speed Index medium 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 96 · 4 points to gain
- −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-Dark default demo ↗ | 64 | 77 | 88 | 75 | 77 | 82 | 2026-11-07 |
| category ↗ | 74 | 77 | 88 | 93 | 77 | 82 | 2026-11-07 |
| home ↗ | 67 | 77 | 87 | 63 | 77 | 79 | 2026-11-07 |
| product ↗ | 50 | 77 | 89 | 69 | 77 | 84 | 2026-11-07 |