Nimbus
Nimbus is a Shopify theme by OranThemes ($320). Tested on 2026-09-13 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 72 for mobile speed and 92 for desktop speed, 100/100 for SEO and 96/96 for accessibility (mobile/desktop, 0–100). Those are medians across its 5 tested presets; mobile speed across every tested page ranges from 60 to 87. On its marketplace it is rated 4.8 out of 5 from 49 reviews.
Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 72 | 92 |
| SEO | 100 | 100 |
| Accessibility | 96 | 96 |
| Best practices | 95 | 96 |
Median of 5 presets · measured 30 times since 2026-09-11 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Nimbus home page
Mobile
Speed 71 · 29 points to gain
- −18.3 Largest Contentful Paint medium effort
- −5.2 Speed Index medium effort
- −5.1 First Contentful Paint medium effort
- 300 ms Reduce unused CSS high effort
- 180 ms Reduce unused JavaScript high effort
Accessibility 97 · 3 points to gain
- −2.9 Background and foreground colors do not have a sufficient contrast ratio. medium effort
Best practices 92 · 8 points to gain
- −3.8 Browser errors were logged to the console medium effort
- −3.8 Issues were logged in the `Issues` panel in Chrome Devtools high effort
Desktop
Speed 93 · 7 points to gain
- −5.3 Speed Index medium effort
- −1.3 Largest Contentful Paint medium effort
Accessibility 97 · 3 points to gain
- −2.9 Background and foreground colors do not have a sufficient contrast ratio. 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 | ||||||
| Esselle demo ↗ | 67 | 100 | 92 | 83 | 100 | 95 | 2026-09-12 |
| category ↗ | 68 | 100 | 91 | 86 | 100 | 95 | 2026-09-12 |
| home ↗ | 67 | 100 | 89 | 85 | 100 | 93 | 2026-09-12 |
| product ↗ | 66 | 100 | 96 | 77 | 100 | 96 | 2026-09-12 |
| Morna demo ↗ | 72 | 97 | 96 | 92 | 97 | 96 | 2026-09-12 |
| category ↗ | 81 | 100 | 98 | 97 | 100 | 97 | 2026-09-12 |
| home ↗ | 68 | 92 | 94 | 85 | 92 | 94 | 2026-09-12 |
| product ↗ | 66 | 100 | 97 | 94 | 100 | 97 | 2026-09-12 |
| Nimbus default demo ↗ | 72 | 100 | 97 | 94 | 100 | 97 | 2026-09-11 |
| category ↗ | 82 | 100 | 98 | 96 | 100 | 97 | 2026-09-13 |
| home ↗ | 71 | 100 | 97 | 93 | 100 | 97 | 2026-09-11 |
| product ↗ | 64 | 100 | 97 | 94 | 100 | 97 | 2026-09-12 |
| Paletia demo ↗ | 73 | 100 | 96 | 91 | 100 | 96 | 2026-09-12 |
| category ↗ | 87 | 100 | 98 | 97 | 100 | 97 | 2026-09-12 |
| home ↗ | 71 | 100 | 94 | 84 | 100 | 94 | 2026-09-12 |
| product ↗ | 60 | 100 | 97 | 91 | 100 | 97 | 2026-09-12 |
| Puddle demo ↗ | 75 | 100 | 96 | 93 | 100 | 97 | 2026-09-12 |
| category ↗ | 81 | 100 | 98 | 97 | 100 | 97 | 2026-09-12 |
| home ↗ | 79 | 100 | 94 | 92 | 100 | 97 | 2026-09-12 |
| product ↗ | 66 | 100 | 97 | 91 | 100 | 97 | 2026-09-12 |
Show this score on your site
A live badge: it always shows Nimbus's current score and links back here. Paste this where the theme is sold or documented.
<a href="https://themestested.com/theme/shopify/nimbus"><img src="https://themestested.com/badge/shopify/nimbus.svg" alt="Nimbus speed score on Themestested" height="20"></a>
Add ?device=d for the desktop score, or ?metric=seo / ?metric=a11y for SEO or accessibility.