Symmetry
Symmetry is a Shopify theme by Clean Canvas ($420). Tested on 2026-11-08 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 79 for mobile speed and 92 for desktop speed, 64/61 for SEO and 93/94 for accessibility (mobile/desktop, 0–100). Those are medians across its 5 tested presets; mobile speed across every tested page ranges from 67 to 91. On its marketplace it is rated 4.8 out of 5 from 390 reviews.
Mobile72

Desktop96

Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 79 | 92 |
| SEO | 64 | 61 |
| Accessibility | 93 | 94 |
| Best practices | 96 | 96 |
Median of 5 presets · measured 260 times since 2026-11-06 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Duke home page
Mobile
Speed 72 · 28 points to gain
- −22.8 Largest Contentful Paint medium effort
- −4.2 Total Blocking Time medium effort
- −0.5 Cumulative Layout Shift medium effort
- 150 ms Reduce unused CSS high effort
SEO 61 · 39 points to gain
- −31 Page is blocked from indexing low effort
- −7.7 Links do not have descriptive text low effort
Accessibility 93 · 7 points to gain
- −3.3 Links do not have a discernible name medium effort
- −3.3 Touch targets do not have sufficient size or spacing. medium effort
Best practices 96 · 4 points to gain
- −3.8 Browser errors were logged to the console medium effort
Desktop
Speed 96 · 4 points to gain
- −3.3 Largest Contentful Paint medium effort
SEO 61 · 39 points to gain
- −31 Page is blocked from indexing low effort
- −7.7 Links do not have descriptive text low effort
Accessibility 93 · 7 points to gain
- −3.3 Links do not have a discernible name medium effort
- −3.3 Touch targets do not have sufficient size or spacing. 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 | ||||||
| Amara demo ↗ | 85 | 59 | 93 | 96 | 59 | 94 | 2026-11-04 |
| category ↗ | 85 | 69 | 97 | 95 | 69 | 97 | 2026-11-04 |
| home ↗ | 86 | 46 | 88 | 99 | 54 | 93 | 2026-11-07 |
| product ↗ | 84 | 61 | 93 | 94 | 54 | 92 | 2026-11-04 |
| Symmetry demo ↗ | 79 | 64 | 93 | 90 | 61 | 94 | 2026-11-07 |
| category ↗ | 81 | 69 | 97 | 95 | 69 | 97 | 2026-11-08 |
| home ↗ | 72 | 61 | 90 | 87 | 61 | 93 | 2026-11-07 |
| product ↗ | 83 | 61 | 93 | 89 | 54 | 92 | 2026-11-08 |
| Salt Yard demo ↗ | 75 | 64 | 94 | 92 | 61 | 95 | 2026-11-04 |
| category ↗ | 80 | 69 | 97 | 90 | 69 | 97 | 2026-11-04 |
| home ↗ | 70 | 61 | 93 | 96 | 61 | 97 | 2026-11-07 |
| product ↗ | 74 | 61 | 93 | 89 | 54 | 92 | 2026-11-04 |
| Beatnik demo ↗ | 80 | 64 | 95 | 92 | 61 | 95 | 2026-11-06 |
| category ↗ | 67 | 69 | 94 | 82 | 69 | 97 | 2026-11-07 |
| home ↗ | 91 | 61 | 97 | 98 | 61 | 97 | 2026-11-06 |
| product ↗ | 83 | 61 | 93 | 96 | 54 | 92 | 2026-11-08 |
| Duke default demo ↗ | 74 | 64 | 93 | 94 | 61 | 94 | 2026-11-04 |
| category ↗ | 72 | 69 | 94 | 93 | 69 | 97 | 2026-11-04 |
| home ↗ | 72 | 61 | 93 | 96 | 61 | 93 | 2026-11-06 |
| product ↗ | 78 | 61 | 93 | 92 | 54 | 92 | 2026-11-08 |