Peak Warm
Peak Warm is a BigCommerce theme by BigCommerce ($195). Tested on 2026-09-12 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 43 for mobile speed and 70 for desktop speed, 58/54 for SEO and 85/83 for accessibility (mobile/desktop, 0–100).
Mobile57
Desktop70
Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 43 | 70 |
| SEO | 58 | 54 |
| Accessibility | 85 | 83 |
| Best practices | 66 | 77 |
Single preset · measured 3 times since 2026-09-12 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Peak-Warm home page
Mobile
Speed 57 · 43 points to gain
- −25 Largest Contentful Paint medium effort
- −6.3 Cumulative Layout Shift medium effort
- −4.8 Total Blocking Time medium effort
- −4.1 First Contentful Paint medium effort
- −2.8 Speed Index medium effort
- 3.3 s Minify JavaScript low effort
- 750 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 Links do not have descriptive text low effort
Accessibility 83 · 17 points to gain
- −4.7 Buttons do not have an accessible name medium effort
- −4.7 `[user-scalable="no"]` is used in the `<meta name="viewport">` element or the `[maximum-scale]` attribute is less than 5. low effort
- −3.3 `[aria-hidden="true"]` elements contain focusable descendents medium effort
- −3.3 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −1.4 Heading elements are not in a sequentially-descending order medium effort
Best practices 77 · 23 points to gain
- −19.2 Uses deprecated APIs medium effort
- −3.8 Browser errors were logged to the console medium effort
Desktop
Speed 70 · 30 points to gain
- −18.8 Cumulative Layout Shift medium effort
- −8.2 Largest Contentful Paint medium effort
- −1.7 Speed Index medium effort
- −1.2 Total Blocking Time medium effort
- 560 ms Minify JavaScript low 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 Links do not have descriptive text low effort
Accessibility 83 · 17 points to gain
- −4.7 Buttons do not have an accessible name medium effort
- −4.7 `[user-scalable="no"]` is used in the `<meta name="viewport">` element or the `[maximum-scale]` attribute is less than 5. low effort
- −3.3 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −3.3 Links do not have a discernible name medium effort
- −1.4 Heading elements are not in a sequentially-descending order medium effort
Best practices 77 · 23 points to gain
- −19.2 Uses deprecated APIs medium effort
- −3.8 Browser errors were logged to the console medium effort
Presets and pages
| Preset / page | Speed | SEO | A11y | Speed | SEO | A11y | Tested |
|---|---|---|---|---|---|---|---|
| mobile | desktop | ||||||
| Peak-Warm default demo ↗ | 43 | 58 | 85 | 70 | 54 | 83 | 2026-09-12 |
| home ↗ | 57 | 54 | 83 | 70 | 54 | 83 | 2026-09-12 |
| product ↗ | 29 | 61 | 86 | – | – | – | 2026-09-12 |
Show this score on your site
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<a href="https://themestested.com/theme/bigcommerce/peak-warm"><img src="https://themestested.com/badge/bigcommerce/peak-warm.svg" alt="Peak Warm speed score on Themestested" height="20"></a>
Add ?device=d for the desktop score, or ?metric=seo / ?metric=a11y for SEO or accessibility.