Nebula Fashion
Nebula Fashion 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 59 for mobile speed and 73 for desktop speed, 89/92 for SEO and 96/92 for accessibility (mobile/desktop, 0–100).
Mobile54
Desktop73
Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 59 | 73 |
| SEO | 89 | 92 |
| Accessibility | 96 | 92 |
| Best practices | 98 | 100 |
Single preset · measured 3 times since 2026-09-12 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Nebula-Fashion home page
Mobile
Speed 54 · 46 points to gain
- −25 Largest Contentful Paint medium effort
- −10 First Contentful Paint medium effort
- −9.7 Speed Index medium effort
- −1.5 Total Blocking Time medium effort
- 2.9 s Reduce unused JavaScript high effort
- 450 ms Reduce unused CSS high effort
SEO 92 · 8 points to gain
- −7.7 Links are not crawlable medium effort
Accessibility 95 · 5 points to gain
- −3.2 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −1.4 Heading elements are not in a sequentially-descending order medium effort
Best practices 96 · 4 points to gain
- −3.8 Serves images with low resolution low effort
Desktop
Speed 73 · 27 points to gain
- −14.5 Largest Contentful Paint medium effort
- −9.3 Cumulative Layout Shift medium effort
- −2.8 Speed Index medium effort
- 290 ms Reduce unused JavaScript high effort
SEO 92 · 8 points to gain
- −7.7 Links are not crawlable medium effort
Accessibility 92 · 8 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
- −1.4 Heading elements are not in a sequentially-descending order medium effort
Presets and pages
| Preset / page | Speed | SEO | A11y | Speed | SEO | A11y | Tested |
|---|---|---|---|---|---|---|---|
| mobile | desktop | ||||||
| Nebula-Fashion default demo ↗ | 59 | 89 | 96 | 73 | 92 | 92 | 2026-09-12 |
| category ↗ | 64 | 85 | 96 | – | – | – | 2026-09-12 |
| home ↗ | 54 | 92 | 95 | 73 | 92 | 92 | 2026-09-12 |
Show this score on your site
A live badge: it always shows Nebula Fashion's current score and links back here. Paste this where the theme is sold or documented.
<a href="https://themestested.com/theme/bigcommerce/nebula-fashion"><img src="https://themestested.com/badge/bigcommerce/nebula-fashion.svg" alt="Nebula Fashion speed score on Themestested" height="20"></a>
Add ?device=d for the desktop score, or ?metric=seo / ?metric=a11y for SEO or accessibility.