Modular
Modular is a Shopify theme by Presidio ($300). Tested on 2026-09-11 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 72 for mobile speed and 91 for desktop speed, 58/58 for SEO and 88/88 for accessibility (mobile/desktop, 0–100). Those are medians across its 5 tested presets; mobile speed across every tested page ranges from 67 to 74. On its marketplace it is rated 4.9 out of 5 from 224 reviews.
Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 72 | 91 |
| SEO | 58 | 58 |
| Accessibility | 88 | 88 |
| Best practices | 94 | 94 |
Median of 5 presets · measured 22 times since 2026-09-11 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Modular home page
Mobile
Speed 72 · 28 points to gain
- −24.8 Largest Contentful Paint medium effort
- −1.5 First Contentful Paint medium effort
- −1.3 Speed Index medium effort
- 450 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 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 90 · 10 points to gain
- −9 Largest Contentful Paint medium effort
- −0.7 Speed Index medium effort
- 110 ms Reduce unused CSS 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 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
Presets and pages
| Preset / page | Speed | SEO | A11y | Speed | SEO | A11y | Tested |
|---|---|---|---|---|---|---|---|
| mobile | desktop | ||||||
| Companion demo ↗ | 71 | 58 | 85 | 92 | 58 | 85 | 2026-09-11 |
| category ↗ | 70 | 54 | 84 | 92 | 54 | 84 | 2026-09-11 |
| product ↗ | 72 | 61 | 85 | 91 | 61 | 85 | 2026-09-11 |
| Kiln demo ↗ | 72 | 65 | 92 | 89 | 65 | 92 | 2026-09-11 |
| category ↗ | 72 | 61 | 91 | 90 | 61 | 91 | 2026-09-11 |
| product ↗ | 72 | 69 | 93 | 87 | 69 | 93 | 2026-09-11 |
| Modular default demo ↗ | 73 | 56 | 82 | 92 | 56 | 82 | 2026-09-11 |
| category ↗ | 74 | 54 | 86 | 94 | 54 | 86 | 2026-09-11 |
| home ↗ | 72 | 54 | 82 | 90 | 54 | 82 | 2026-09-11 |
| product ↗ | 73 | 61 | 78 | 93 | 61 | 78 | 2026-09-11 |
| Pattern demo ↗ | 72 | 62 | 88 | 91 | 62 | 88 | 2026-09-11 |
| category ↗ | 73 | 54 | 91 | 89 | 54 | 91 | 2026-09-11 |
| product ↗ | 71 | 69 | 85 | 92 | 69 | 85 | 2026-09-11 |
| Sparkling demo ↗ | 69 | 58 | 88 | 89 | 58 | 88 | 2026-09-11 |
| category ↗ | 67 | 54 | 88 | 92 | 54 | 88 | 2026-09-11 |
| product ↗ | 71 | 61 | 87 | 86 | 61 | 87 | 2026-09-11 |
Show this score on your site
A live badge: it always shows Modular's current score and links back here. Paste this where the theme is sold or documented.
<a href="https://themestested.com/theme/shopify/modular"><img src="https://themestested.com/badge/shopify/modular.svg" alt="Modular speed score on Themestested" height="20"></a>
Add ?device=d for the desktop score, or ?metric=seo / ?metric=a11y for SEO or accessibility.