Lute
Lute is a Shopify theme by ThemeGoal ($360). Tested on 2026-09-12 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 74 for mobile speed and 91 for desktop speed, 97/99 for SEO and 96/98 for accessibility (mobile/desktop, 0–100). Those are medians across its 2 tested presets; mobile speed across every tested page ranges from 66 to 85. On its marketplace it is rated 5.0 out of 5 from 3 reviews.
Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 74 | 91 |
| SEO | 97 | 99 |
| Accessibility | 96 | 98 |
| Best practices | 88 | 89 |
Median of 2 presets · measured 12 times since 2026-09-11 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Lute home page
Mobile
Speed 85 · 15 points to gain
- −6.5 Largest Contentful Paint medium effort
- −6.3 Cumulative Layout Shift medium effort
- −1.2 Speed Index medium effort
- −0.8 First Contentful Paint medium effort
SEO 92 · 8 points to gain
- −7.7 Image elements do not have `[alt]` attributes low effort
Accessibility 92 · 8 points to gain
- −4.5 Image elements do not have `[alt]` attributes low effort
- −3.2 Touch targets do not have sufficient size or spacing. medium effort
Best practices 88 · 12 points to gain
- −3.8 Displays images with incorrect aspect ratio low effort
- −3.8 Serves images with low resolution low effort
- −3.8 Browser errors were logged to the console medium effort
Desktop
Speed 94 · 6 points to gain
- −5.2 Cumulative Layout Shift medium effort
- −0.8 Largest Contentful Paint medium effort
SEO 92 · 8 points to gain
- −7.7 Image elements do not have `[alt]` attributes low effort
Accessibility 92 · 8 points to gain
- −4.5 Image elements do not have `[alt]` attributes low effort
- −3.2 Touch targets do not have sufficient size or spacing. medium effort
Best practices 92 · 8 points to gain
- −3.8 Displays images with incorrect aspect ratio low effort
- −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 | ||||||
| Fauve demo ↗ | 71 | 97 | 95 | 91 | 100 | 98 | 2026-09-12 |
| category ↗ | 74 | 100 | 98 | 95 | 100 | 98 | 2026-09-12 |
| home ↗ | 74 | 92 | 91 | 93 | 100 | 96 | 2026-09-12 |
| product ↗ | 66 | 100 | 97 | 86 | 100 | 100 | 2026-09-12 |
| Lute default demo ↗ | 77 | 97 | 96 | 91 | 97 | 97 | 2026-09-11 |
| category ↗ | 75 | 100 | 98 | 95 | 100 | 98 | 2026-09-12 |
| home ↗ | 85 | 92 | 92 | 94 | 92 | 92 | 2026-09-11 |
| product ↗ | 72 | 100 | 97 | 84 | 100 | 100 | 2026-09-12 |
Show this score on your site
A live badge: it always shows Lute's current score and links back here. Paste this where the theme is sold or documented.
<a href="https://themestested.com/theme/shopify/lute"><img src="https://themestested.com/badge/shopify/lute.svg" alt="Lute speed score on Themestested" height="20"></a>
Add ?device=d for the desktop score, or ?metric=seo / ?metric=a11y for SEO or accessibility.