Nebula Beauty
Nebula Beauty is a BigCommerce theme by epicShops ($400). Tested on 2026-09-12 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 55 for mobile speed and 83 for desktop speed, 92/92 for SEO and 97/93 for accessibility (mobile/desktop, 0–100).
Mobile55
Desktop83
Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 55 | 83 |
| SEO | 92 | 92 |
| Accessibility | 97 | 93 |
| Best practices | 100 | 100 |
Single preset · measured 2 times since 2026-09-12 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Nebula-Beauty home page
Mobile
Speed 55 · 45 points to gain
- −25 Largest Contentful Paint medium effort
- −10 First Contentful Paint medium effort
- −9.6 Speed Index medium effort
- 1.8 s Reduce unused JavaScript high effort
- 600 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 83 · 17 points to gain
- −9.3 Largest Contentful Paint medium effort
- −2.9 First Contentful Paint medium effort
- −2.5 Cumulative Layout Shift medium effort
- −2.1 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 ↗ | 55 | 92 | 97 | 83 | 92 | 93 | 2026-09-12 |
| home ↗ | 55 | 92 | 97 | 83 | 92 | 93 | 2026-09-12 |
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.