Modular
Modular is a Shopify theme by Presidio ($300). Tested on 2026-11-07 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 74 for mobile speed and 93 for desktop speed, 56/56 for SEO and 85/85 for accessibility (mobile/desktop, 0–100). Those are medians across its 5 tested presets; mobile speed across every tested page ranges from 68 to 77. On its marketplace it is rated 4.9 out of 5 from 224 reviews.
Mobile75

Desktop88

Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 74 | 93 |
| SEO | 56 | 56 |
| Accessibility | 85 | 85 |
| Best practices | 97 | 97 |
Median of 5 presets · measured 262 times since 2026-11-06 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Modular home page
Mobile
Speed 75 · 25 points to gain
- −24.3 Largest Contentful Paint medium effort
- −0.9 Speed Index medium effort
- 300 ms Reduce unused CSS high effort
- 150 ms Reduce unused JavaScript high effort
SEO 54 · 46 points to gain
- −31 Page is blocked from indexing low effort
- −7.7 Document does not have a meta description low effort
- −7.7 Image elements do not have `[alt]` attributes low effort
Accessibility 82 · 18 points to gain
- −5.8 Image elements do not have `[alt]` attributes low effort
- −4.1 Elements use prohibited ARIA attributes medium effort
- −4.1 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −4.1 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 88 · 12 points to gain
- −10.5 Largest Contentful Paint medium effort
- −1.1 Speed Index medium effort
- 120 ms Reduce unused JavaScript high effort
SEO 54 · 46 points to gain
- −31 Page is blocked from indexing low effort
- −7.7 Document does not have a meta description low effort
- −7.7 Image elements do not have `[alt]` attributes low effort
Accessibility 82 · 18 points to gain
- −5.8 Image elements do not have `[alt]` attributes low effort
- −4.1 Elements use prohibited ARIA attributes medium effort
- −4.1 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −4.1 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 | ||||||
| Companion demo ↗ | 74 | 56 | 83 | 92 | 56 | 83 | 2026-11-04 |
| category ↗ | 75 | 54 | 84 | 93 | 54 | 84 | 2026-11-07 |
| home ↗ | 71 | 54 | 79 | 91 | 54 | 79 | 2026-11-04 |
| product ↗ | 75 | 61 | 85 | 93 | 61 | 85 | 2026-11-07 |
| Kiln demo ↗ | 75 | 59 | 87 | 91 | 59 | 87 | 2026-11-04 |
| category ↗ | 76 | 61 | 91 | 93 | 61 | 91 | 2026-11-07 |
| home ↗ | 73 | 46 | 76 | 92 | 46 | 76 | 2026-11-04 |
| product ↗ | 75 | 69 | 93 | 89 | 69 | 93 | 2026-11-07 |
| Modular default demo ↗ | 75 | 56 | 82 | 93 | 56 | 82 | 2026-11-06 |
| category ↗ | 76 | 54 | 86 | 94 | 54 | 86 | 2026-11-07 |
| home ↗ | 75 | 54 | 82 | 88 | 54 | 82 | 2026-11-06 |
| product ↗ | 75 | 61 | 78 | 96 | 61 | 78 | 2026-11-07 |
| Pattern demo ↗ | 74 | 59 | 86 | 95 | 59 | 86 | 2026-11-04 |
| category ↗ | 73 | 54 | 91 | 92 | 54 | 91 | 2026-11-07 |
| home ↗ | 75 | 54 | 83 | 94 | 54 | 83 | 2026-11-04 |
| product ↗ | 75 | 69 | 85 | 98 | 69 | 85 | 2026-11-07 |
| Sparkling demo ↗ | 73 | 56 | 85 | 95 | 56 | 85 | 2026-11-04 |
| category ↗ | 73 | 54 | 88 | 93 | 54 | 88 | 2026-11-07 |
| home ↗ | 77 | 54 | 79 | 94 | 54 | 79 | 2026-11-04 |
| product ↗ | 68 | 61 | 87 | 97 | 61 | 87 | 2026-11-07 |