themestestedbyWhirlwind eCommerce logo — Shopify and BigCommerce ecommerce development agencyWhirlwind eCommerce
Modular theme preview

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
Modular home page on mobile
Desktop88
Modular home page on desktop

Scores

MobileDesktop
Speed7493
SEO5656
Accessibility8585
Best practices9797

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 / pageSpeedSEOA11ySpeedSEOA11yTested
mobiledesktop
Companion demo ↗ 745683925683 2026-11-04
category ↗ 755484935484 2026-11-07
home ↗ 715479915479 2026-11-04
product ↗ 756185936185 2026-11-07
Kiln demo ↗ 755987915987 2026-11-04
category ↗ 766191936191 2026-11-07
home ↗ 734676924676 2026-11-04
product ↗ 756993896993 2026-11-07
Modular default demo ↗ 755682935682 2026-11-06
category ↗ 765486945486 2026-11-07
home ↗ 755482885482 2026-11-06
product ↗ 756178966178 2026-11-07
Pattern demo ↗ 745986955986 2026-11-04
category ↗ 735491925491 2026-11-07
home ↗ 755483945483 2026-11-04
product ↗ 756985986985 2026-11-07
Sparkling demo ↗ 735685955685 2026-11-04
category ↗ 735488935488 2026-11-07
home ↗ 775479945479 2026-11-04
product ↗ 686187976187 2026-11-07

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Modular: mobile speed 74 on Themestested
<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.