Lumin
Lumin is a Shopify theme by 1o1development ($290). Tested on 2026-09-12 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 76 for mobile speed and 84 for desktop speed, 92/92 for SEO and 96/97 for accessibility (mobile/desktop, 0–100). Those are medians across its 5 tested presets; mobile speed across every tested page ranges from 60 to 90. On its marketplace it is rated 5.0 out of 5 from 4 reviews.
Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 76 | 84 |
| SEO | 92 | 92 |
| Accessibility | 96 | 97 |
| Best practices | 93 | 96 |
Median of 5 presets · measured 30 times since 2026-09-11 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Lumin home page
Mobile
Speed 70 · 30 points to gain
- −25 Largest Contentful Paint medium effort
- −3.5 Speed Index medium effort
- −1.5 First Contentful Paint medium effort
SEO 85 · 15 points to gain
- −7.7 Document does not have a meta description low effort
- −7.7 Links do not have descriptive text low effort
Best practices 96 · 4 points to gain
- −3.8 Browser errors were logged to the console medium effort
Desktop
Speed 69 · 31 points to gain
- −25 Largest Contentful Paint medium effort
- −5.8 Speed Index medium effort
SEO 85 · 15 points to gain
- −7.7 Document does not have a meta description low effort
- −7.7 Links do not have descriptive text low effort
Accessibility 97 · 3 points to gain
- −3.1 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 | ||||||
| Innovations demo ↗ | 76 | 95 | 96 | 85 | 95 | 97 | 2026-09-12 |
| category ↗ | 68 | 92 | 95 | 65 | 92 | 100 | 2026-09-12 |
| home ↗ | 75 | 92 | 97 | 97 | 92 | 97 | 2026-09-12 |
| product ↗ | 85 | 100 | 95 | 93 | 100 | 95 | 2026-09-12 |
| Lumin default demo ↗ | 70 | 92 | 97 | 78 | 92 | 97 | 2026-09-11 |
| category ↗ | 65 | 92 | 95 | 75 | 92 | 100 | 2026-09-12 |
| home ↗ | 70 | 85 | 100 | 69 | 85 | 97 | 2026-09-11 |
| product ↗ | 74 | 100 | 95 | 90 | 100 | 95 | 2026-09-12 |
| Meltis demo ↗ | 78 | 92 | 96 | 83 | 92 | 96 | 2026-09-12 |
| category ↗ | 60 | 92 | 95 | 65 | 92 | 100 | 2026-09-12 |
| home ↗ | 89 | 85 | 97 | 92 | 85 | 94 | 2026-09-12 |
| product ↗ | 85 | 100 | 95 | 93 | 100 | 95 | 2026-09-12 |
| Strap demo ↗ | 76 | 95 | 95 | 84 | 95 | 97 | 2026-09-12 |
| category ↗ | 63 | 92 | 95 | 77 | 92 | 100 | 2026-09-12 |
| home ↗ | 80 | 92 | 96 | 88 | 92 | 97 | 2026-09-12 |
| product ↗ | 84 | 100 | 95 | 88 | 100 | 95 | 2026-09-12 |
| Vital demo ↗ | 79 | 92 | 97 | 88 | 92 | 98 | 2026-09-12 |
| category ↗ | 63 | 92 | 95 | 77 | 92 | 100 | 2026-09-12 |
| home ↗ | 90 | 85 | 100 | 98 | 85 | 100 | 2026-09-12 |
| product ↗ | 85 | 100 | 95 | 88 | 100 | 95 | 2026-09-12 |
Show this score on your site
A live badge: it always shows Lumin's current score and links back here. Paste this where the theme is sold or documented.
<a href="https://themestested.com/theme/shopify/lumin"><img src="https://themestested.com/badge/shopify/lumin.svg" alt="Lumin speed score on Themestested" height="20"></a>
Add ?device=d for the desktop score, or ?metric=seo / ?metric=a11y for SEO or accessibility.