Sleek
Sleek is a Shopify theme by FoxEcom ($350). Tested on 2026-11-07 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 79 for mobile speed and 93 for desktop speed, 97/92 for SEO and 94/93 for accessibility (mobile/desktop, 0–100). Those are medians across its 5 tested presets; mobile speed across every tested page ranges from 66 to 92. On its marketplace it is rated 5.0 out of 5 from 603 reviews.
Mobile76

Desktop79

Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 79 | 93 |
| SEO | 97 | 92 |
| Accessibility | 94 | 93 |
| Best practices | 99 | 99 |
Median of 5 presets · measured 270 times since 2026-11-06 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Jumped home page
Mobile
Speed 76 · 24 points to gain
- −12.6 Total Blocking Time medium effort
- −8.3 Speed Index medium effort
- −3 Largest Contentful Paint medium effort
Accessibility 93 · 7 points to gain
- −3 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −3 Links do not have a discernible name medium effort
- −1.3 Heading elements are not in a sequentially-descending order medium effort
Best practices 96 · 4 points to gain
- −3.8 Browser errors were logged to the console medium effort
Desktop
Speed 79 · 21 points to gain
- −13.2 Total Blocking Time medium effort
- −7.7 Speed Index medium effort
SEO 92 · 8 points to gain
- −7.7 Links do not have descriptive text low effort
Accessibility 93 · 7 points to gain
- −3 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −3 Links do not have a discernible name medium effort
- −1.3 Heading elements are not in a sequentially-descending order 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 | ||||||
| Glint demo ↗ | 85 | 97 | 94 | 96 | 97 | 93 | 2026-11-07 |
| category ↗ | 92 | 92 | 95 | 98 | 92 | 96 | 2026-11-07 |
| home ↗ | 91 | 100 | 95 | 95 | 100 | 95 | 2026-11-07 |
| product ↗ | 73 | 100 | 91 | 95 | 100 | 87 | 2026-11-07 |
| Wildpeak demo ↗ | 81 | 97 | 94 | 93 | 97 | 93 | 2026-11-07 |
| category ↗ | 73 | 100 | 95 | 97 | 100 | 96 | 2026-11-07 |
| home ↗ | 90 | 100 | 97 | 87 | 100 | 97 | 2026-11-07 |
| product ↗ | 80 | 92 | 91 | 96 | 92 | 87 | 2026-11-07 |
| Modiva demo ↗ | 78 | 97 | 94 | 95 | 92 | 93 | 2026-11-07 |
| category ↗ | 87 | 100 | 95 | 97 | 92 | 96 | 2026-11-07 |
| home ↗ | 66 | 100 | 96 | 92 | 92 | 96 | 2026-11-07 |
| product ↗ | 81 | 92 | 91 | 96 | 92 | 87 | 2026-11-07 |
| Jumped default demo ↗ | 74 | 97 | 93 | 89 | 90 | 92 | 2026-11-06 |
| category ↗ | 72 | 92 | 95 | 98 | 85 | 96 | 2026-11-07 |
| home ↗ | 76 | 100 | 93 | 79 | 92 | 93 | 2026-11-06 |
| product ↗ | 74 | 100 | 91 | 90 | 92 | 87 | 2026-11-07 |
| Sleek demo ↗ | 79 | 100 | 94 | 86 | 92 | 93 | 2026-11-07 |
| category ↗ | 79 | 100 | 95 | 98 | 92 | 96 | 2026-11-07 |
| home ↗ | 81 | 100 | 96 | 74 | 92 | 96 | 2026-11-07 |
| product ↗ | 76 | 100 | 92 | 87 | 92 | 88 | 2026-11-07 |