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

Desktop67

Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 53 | 79 |
| SEO | 61 | 61 |
| Accessibility | 76 | 76 |
| Best practices | 80 | 80 |
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 / page | Speed | SEO | A11y | Speed | SEO | A11y | Tested |
|---|---|---|---|---|---|---|---|
| mobile | desktop | ||||||
| Merchant-Bold default demo ↗ | 53 | 61 | 76 | 79 | 61 | 76 | 2026-11-07 |
| category ↗ | 69 | 61 | 74 | 91 | 61 | 75 | 2026-11-10 |
| home ↗ | 52 | 61 | 77 | 67 | 61 | 81 | 2026-11-07 |
| product ↗ | 39 | 61 | 78 | 80 | 61 | 71 | 2026-11-10 |