Capacity Warm
Capacity Warm is a BigCommerce theme by BigCommerce ($225). Tested on 2026-11-07 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 56 for mobile speed and 82 for desktop speed, 59/59 for SEO and 73/68 for accessibility (mobile/desktop, 0–100).
Mobile50
Desktop90
Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 56 | 82 |
| SEO | 59 | 59 |
| Accessibility | 73 | 68 |
| 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 — Capacity-Warm home page
Mobile
Speed 50 · 50 points to gain
- −25 Cumulative Layout Shift medium effort
- −24.5 Largest Contentful Paint medium effort
- −0.6 Total Blocking Time medium effort
- 3.5 s Minify JavaScript low effort
- 900 ms Reduce unused JavaScript high effort
- 150 ms Reduce unused CSS 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 80 · 20 points to gain
- −5 Buttons do not have an accessible name medium effort
- −5 `[user-scalable="no"]` is used in the `<meta name="viewport">` element or the `[maximum-scale]` attribute is less than 5. low effort
- −3.5 `[aria-hidden="true"]` elements contain focusable descendents medium effort
- −3.5 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −3.5 Links do not have a discernible name medium effort
Best practices 81 · 19 points to gain
- −19.2 Uses deprecated APIs medium effort
Desktop
Speed 90 · 10 points to gain
- −7.5 Largest Contentful Paint medium effort
- −2.4 Total Blocking Time medium effort
- 520 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 71 · 29 points to gain
- −6.5 Buttons do not have an accessible name medium effort
- −6.5 `[user-scalable="no"]` is used in the `<meta name="viewport">` element or the `[maximum-scale]` attribute is less than 5. low effort
- −6.5 Select elements do not have associated label elements. medium effort
- −4.5 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −4.5 Links do not have a discernible name 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 | ||||||
| Capacity-Warm default demo ↗ | 56 | 59 | 73 | 82 | 59 | 68 | 2026-11-07 |
| category ↗ | 72 | 61 | 76 | 90 | 61 | 72 | 2026-11-07 |
| home ↗ | 50 | 54 | 80 | 90 | 54 | 71 | 2026-11-07 |
| product ↗ | 47 | 61 | 62 | 66 | 61 | 62 | 2026-11-07 |
Show this score on your site
A live badge: it always shows Capacity Warm's current score and links back here. Paste this where the theme is sold or documented.
<a href="https://themestested.com/theme/bigcommerce/capacity-warm"><img src="https://themestested.com/badge/bigcommerce/capacity-warm.svg" alt="Capacity Warm speed score on Themestested" height="20"></a>
Add ?device=d for the desktop score, or ?metric=seo / ?metric=a11y for SEO or accessibility.