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

Merchant Bold

Merchant Bold is a BigCommerce theme by BigCommerce ($195). Tested on 2026-11-10 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 53 for mobile speed and 79 for desktop speed, 61/61 for SEO and 76/76 for accessibility (mobile/desktop, 0–100).

Mobile52
Merchant Bold home page on mobile
Desktop67
Merchant Bold home page on desktop

Scores

MobileDesktop
Speed5379
SEO6161
Accessibility7676
Best practices8080

Single preset · measured 30 times since 2026-11-07 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.

Why not 100 — Merchant-Bold home page

Mobile

Speed 52 · 48 points to gain

  • −25 Largest Contentful Paint medium effort
  • −19.8 Cumulative Layout Shift medium effort
  • −1.8 Speed Index medium effort
  • −0.9 Total Blocking Time medium effort
  • −0.7 First Contentful Paint medium effort
  • 4.3 s Minify JavaScript low effort
  • 1.1 s Reduce unused JavaScript high effort
  • 150 ms Reduce unused CSS high effort

SEO 61 · 39 points to gain

  • −31 Page is blocked from indexing low effort
  • −7.7 Document does not have a meta description low effort

Accessibility 77 · 23 points to gain

  • −5.2 Buttons do not have an accessible name medium effort
  • −5.2 `[user-scalable="no"]` is used in the `<meta name="viewport">` element or the `[maximum-scale]` attribute is less than 5. low effort
  • −3.6 `[aria-hidden="true"]` elements contain focusable descendents medium effort
  • −3.6 Background and foreground colors do not have a sufficient contrast ratio. medium effort
  • −3.6 Touch targets do not have sufficient size or spacing. medium effort
  • −1.6 Heading elements are not in a sequentially-descending order medium effort

Best practices 81 · 19 points to gain

  • −19.2 Uses deprecated APIs medium effort

Desktop

Speed 67 · 33 points to gain

  • −18.3 Cumulative Layout Shift medium effort
  • −11.8 Largest Contentful Paint medium effort
  • −2.7 Total Blocking Time medium effort
  • 680 ms Minify JavaScript low effort
  • 160 ms Reduce unused JavaScript high effort

SEO 61 · 39 points to gain

  • −31 Page is blocked from indexing low effort
  • −7.7 Document does not have a meta description low effort

Accessibility 81 · 19 points to gain

  • −5.2 Buttons do not have an accessible name medium effort
  • −5.2 `[user-scalable="no"]` is used in the `<meta name="viewport">` element or the `[maximum-scale]` attribute is less than 5. low effort
  • −3.6 Background and foreground colors do not have a sufficient contrast ratio. medium effort
  • −3.6 Touch targets do not have sufficient size or spacing. medium effort
  • −1.6 Heading elements are not in a sequentially-descending order medium effort

Best practices 81 · 19 points to gain

  • −19.2 Uses deprecated APIs medium effort

Presets and pages

Preset / pageSpeedSEOA11ySpeedSEOA11yTested
mobiledesktop
Merchant-Bold default demo ↗ 536176796176 2026-11-07
category ↗ 696174916175 2026-11-10
home ↗ 526177676181 2026-11-07
product ↗ 396178806171 2026-11-10

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Merchant Bold: mobile speed 53 on Themestested
<a href="https://themestested.com/theme/bigcommerce/merchant-bold"><img src="https://themestested.com/badge/bigcommerce/merchant-bold.svg" alt="Merchant Bold speed score on Themestested" height="20"></a>

Add ?device=d for the desktop score, or ?metric=seo / ?metric=a11y for SEO or accessibility.