Supermarket Yellow
Supermarket Yellow is a BigCommerce theme by Papathemes ($195). Tested on 2026-09-12 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 48 for mobile speed and 87 for desktop speed, 61/61 for SEO and 86/88 for accessibility (mobile/desktop, 0–100).
Mobile48
Desktop82
Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 48 | 87 |
| SEO | 61 | 61 |
| Accessibility | 86 | 88 |
| Best practices | 73 | 85 |
Single preset · measured 3 times since 2026-09-11 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Supermarket-Yellow home page
Mobile
Speed 48 · 52 points to gain
- −19.3 Largest Contentful Paint medium effort
- −17.7 Total Blocking Time medium effort
- −9.9 Speed Index medium effort
- −4.7 First Contentful Paint medium effort
- 460 ms Reduce unused CSS high effort
- 310 ms Reduce unused JavaScript high effort
SEO 61 · 39 points to gain
- −31 Page is blocked from indexing low effort
- −7.7 Links do not have descriptive text low effort
Accessibility 86 · 14 points to gain
- −4.1 `[user-scalable="no"]` is used in the `<meta name="viewport">` element or the `[maximum-scale]` attribute is less than 5. low effort
- −2.9 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −2.9 Links do not have a discernible name medium effort
- −2.9 Touch targets do not have sufficient size or spacing. medium effort
- −1.2 Heading elements are not in a sequentially-descending order medium effort
Best practices 73 · 27 points to gain
- −19.2 Uses third-party cookies high effort
- −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 82 · 18 points to gain
- −9.6 Speed Index medium effort
- −4.5 Largest Contentful Paint medium effort
- −3.6 Total Blocking Time medium effort
- 170 ms Reduce unused JavaScript high effort
- 130 ms Reduce unused CSS high effort
SEO 61 · 39 points to gain
- −31 Page is blocked from indexing low effort
- −7.7 Links do not have descriptive text low effort
Accessibility 86 · 14 points to gain
- −4.1 `[user-scalable="no"]` is used in the `<meta name="viewport">` element or the `[maximum-scale]` attribute is less than 5. low effort
- −2.9 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −2.9 Links do not have a discernible name medium effort
- −2.9 Touch targets do not have sufficient size or spacing. medium effort
- −1.2 Heading elements are not in a sequentially-descending order medium effort
Best practices 73 · 27 points to gain
- −19.2 Uses third-party cookies high effort
- −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 | ||||||
| Supermarket-Yellow default demo ↗ | 48 | 61 | 86 | 87 | 61 | 88 | 2026-09-11 |
| category ↗ | – | – | – | 91 | 61 | 89 | 2026-09-12 |
| home ↗ | 48 | 61 | 86 | 82 | 61 | 86 | 2026-09-11 |
Show this score on your site
A live badge: it always shows Supermarket Yellow's current score and links back here. Paste this where the theme is sold or documented.
<a href="https://themestested.com/theme/bigcommerce/supermarket-yellow"><img src="https://themestested.com/badge/bigcommerce/supermarket-yellow.svg" alt="Supermarket Yellow speed score on Themestested" height="20"></a>
Add ?device=d for the desktop score, or ?metric=seo / ?metric=a11y for SEO or accessibility.