Nebula Beauty
Nebula Beauty is a BigCommerce theme by epicShops ($400). Tested on 2026-11-10 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 74 for mobile speed and 82 for desktop speed, 87/87 for SEO and 96/92 for accessibility (mobile/desktop, 0–100).
Mobile73
Desktop86
Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 74 | 82 |
| SEO | 87 | 87 |
| Accessibility | 96 | 92 |
| Best practices | 97 | 99 |
Single preset · measured 30 times since 2026-11-07 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Nebula-Beauty home page
Mobile
Speed 73 · 27 points to gain
- −24.8 Largest Contentful Paint medium effort
- −1.6 Speed Index medium effort
- −0.8 First Contentful Paint medium effort
- 450 ms Reduce unused CSS high effort
SEO 92 · 8 points to gain
- −7.7 Links are not crawlable medium effort
Accessibility 97 · 3 points to gain
- −3.2 Background and foreground colors do not have a sufficient contrast ratio. medium effort
Desktop
Speed 86 · 14 points to gain
- −10 Largest Contentful Paint medium effort
- −3.3 Cumulative Layout Shift medium effort
- −1.1 Speed Index medium effort
SEO 92 · 8 points to gain
- −7.7 Links are not crawlable medium effort
Accessibility 93 · 7 points to gain
- −3.3 `[aria-hidden="true"]` elements contain focusable descendents medium effort
- −3.3 Background and foreground colors do not have a sufficient contrast ratio. medium effort
Presets and pages
| Preset / page | Speed | SEO | A11y | Speed | SEO | A11y | Tested |
|---|---|---|---|---|---|---|---|
| mobile | desktop | ||||||
| Nebula-Beauty default demo ↗ | 74 | 87 | 96 | 82 | 87 | 92 | 2026-11-07 |
| category ↗ | 93 | 85 | 97 | 91 | 85 | 93 | 2026-11-10 |
| home ↗ | 73 | 92 | 97 | 86 | 92 | 93 | 2026-11-07 |
| product ↗ | 57 | 85 | 93 | 68 | 85 | 90 | 2026-11-10 |
Show this score on your site
A live badge: it always shows Nebula Beauty's current score and links back here. Paste this where the theme is sold or documented.
<a href="https://themestested.com/theme/bigcommerce/nebula-beauty"><img src="https://themestested.com/badge/bigcommerce/nebula-beauty.svg" alt="Nebula Beauty speed score on Themestested" height="20"></a>
Add ?device=d for the desktop score, or ?metric=seo / ?metric=a11y for SEO or accessibility.