LifeStyle Default
LifeStyle Default is a BigCommerce theme by 1Center (Free). Tested on 2026-11-10 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 71 for mobile speed and 90 for desktop speed, 87/87 for SEO and 74/74 for accessibility (mobile/desktop, 0–100).
Mobile48

Desktop88

Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 71 | 90 |
| SEO | 87 | 87 |
| Accessibility | 74 | 74 |
| Best practices | 95 | 99 |
Single preset · measured 30 times since 2026-11-07 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — LifeStyle-Default home page
Mobile
Speed 48 · 52 points to gain
- −23.3 Largest Contentful Paint medium effort
- −23 Cumulative Layout Shift medium effort
- −3.6 Total Blocking Time medium effort
- −1.9 Speed Index medium effort
- 350 ms Reduce unused JavaScript high effort
- 200 ms Reduce unused CSS high effort
SEO 92 · 8 points to gain
- −7.7 Links are not crawlable medium effort
Accessibility 81 · 19 points to gain
- −4.3 `[user-scalable="no"]` is used in the `<meta name="viewport">` element or the `[maximum-scale]` attribute is less than 5. low effort
- −3 `[aria-hidden="true"]` elements contain focusable descendents medium effort
- −3 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −3 Links rely on color to be distinguishable. medium effort
- −3 Links do not have a discernible name medium effort
- −1.3 Heading elements are not in a sequentially-descending order medium effort
Best practices 96 · 4 points to gain
- −3.8 Serves images with low resolution low effort
Desktop
Speed 88 · 12 points to gain
- −4.8 Speed Index medium effort
- −4.7 Largest Contentful Paint medium effort
- −1.5 Total Blocking Time medium effort
- −1 Cumulative Layout Shift medium effort
- 120 ms Reduce unused JavaScript high effort
SEO 92 · 8 points to gain
- −7.7 Links are not crawlable medium effort
Accessibility 81 · 19 points to gain
- −4.4 `[user-scalable="no"]` is used in the `<meta name="viewport">` element or the `[maximum-scale]` attribute is less than 5. low effort
- −3.1 `[aria-hidden="true"]` elements contain focusable descendents medium effort
- −3.1 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −3.1 Links rely on color to be distinguishable. medium effort
- −3.1 Links do not have a discernible name medium effort
- −1.3 Heading elements are not in a sequentially-descending order medium effort
Presets and pages
| Preset / page | Speed | SEO | A11y | Speed | SEO | A11y | Tested |
|---|---|---|---|---|---|---|---|
| mobile | desktop | ||||||
| LifeStyle-Default default demo ↗ | 71 | 87 | 74 | 90 | 87 | 74 | 2026-11-07 |
| category ↗ | 94 | 85 | 80 | 99 | 85 | 80 | 2026-11-10 |
| home ↗ | 48 | 92 | 81 | 88 | 92 | 81 | 2026-11-07 |
| product ↗ | 72 | 85 | 62 | 84 | 85 | 62 | 2026-11-07 |