Sampo
Sampo is a Shopify theme by Woolman ($390). Tested on 2026-09-12 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 82 for mobile speed and 99 for desktop speed, 92/92 for SEO and 94/94 for accessibility (mobile/desktop, 0–100). Those are medians across its 4 tested presets; mobile speed across every tested page ranges from 73 to 89. On its marketplace it is rated 5.0 out of 5 from 3 reviews.
Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 82 | 99 |
| SEO | 92 | 92 |
| Accessibility | 94 | 94 |
| Best practices | 95 | 94 |
Median of 4 presets · measured 24 times since 2026-09-11 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Mighty home page
Mobile
Speed 73 · 27 points to gain
- −23.8 Largest Contentful Paint medium effort
- −2.5 First Contentful Paint medium effort
- −0.9 Speed Index medium effort
- 300 ms Reduce unused JavaScript high effort
SEO 92 · 8 points to gain
- −7.7 Image elements do not have `[alt]` attributes low effort
Accessibility 90 · 10 points to gain
- −4.8 Buttons do not have an accessible name medium effort
- −4.8 Image elements do not have `[alt]` attributes low 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 98 · 2 points to gain
- −1.1 Speed Index medium effort
- −0.5 Largest Contentful Paint medium effort
SEO 92 · 8 points to gain
- −7.7 Image elements do not have `[alt]` attributes low effort
Accessibility 90 · 10 points to gain
- −4.8 Buttons do not have an accessible name medium effort
- −4.8 Image elements do not have `[alt]` attributes low 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 | ||||||
| Carry demo ↗ | 86 | 90 | 92 | 98 | 90 | 92 | 2026-09-12 |
| category ↗ | 86 | 92 | 95 | 97 | 92 | 95 | 2026-09-12 |
| home ↗ | 89 | 85 | 88 | 99 | 85 | 89 | 2026-09-12 |
| product ↗ | 82 | 92 | 92 | 99 | 92 | 92 | 2026-09-12 |
| Sampo demo ↗ | 83 | 95 | 96 | 99 | 95 | 96 | 2026-09-12 |
| category ↗ | 86 | 92 | 95 | 99 | 92 | 95 | 2026-09-12 |
| home ↗ | 82 | 100 | 100 | 99 | 100 | 100 | 2026-09-12 |
| product ↗ | 82 | 92 | 92 | 99 | 92 | 92 | 2026-09-12 |
| Resonance demo ↗ | 80 | 92 | 95 | 99 | 92 | 95 | 2026-09-12 |
| category ↗ | 80 | 92 | 95 | 98 | 92 | 95 | 2026-09-12 |
| home ↗ | 78 | 92 | 97 | 99 | 92 | 97 | 2026-09-12 |
| product ↗ | 82 | 92 | 92 | 99 | 92 | 92 | 2026-09-12 |
| Mighty default demo ↗ | 78 | 92 | 92 | 99 | 92 | 92 | 2026-09-11 |
| category ↗ | 84 | 92 | 95 | 99 | 92 | 95 | 2026-09-12 |
| home ↗ | 73 | 92 | 90 | 98 | 92 | 90 | 2026-09-11 |
| product ↗ | 76 | 92 | 92 | 99 | 92 | 92 | 2026-09-12 |
Show this score on your site
A live badge: it always shows Sampo's current score and links back here. Paste this where the theme is sold or documented.
<a href="https://themestested.com/theme/shopify/sampo"><img src="https://themestested.com/badge/shopify/sampo.svg" alt="Sampo speed score on Themestested" height="20"></a>
Add ?device=d for the desktop score, or ?metric=seo / ?metric=a11y for SEO or accessibility.