Lusaka
Lusaka is a Squarespace theme by Squarespace (Free). Tested on 2026-11-04 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 64 for mobile speed and 98 for desktop speed, 85/85 for SEO and 94/94 for accessibility (mobile/desktop, 0–100).
Mobile64
Desktop98
Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 64 | 98 |
| SEO | 85 | 85 |
| Accessibility | 94 | 94 |
| Best practices | 100 | 100 |
Single preset · measured 14 times since 2026-11-04 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Lusaka home page
Mobile
Speed 64 · 36 points to gain
- −25 Largest Contentful Paint medium effort
- −6.4 Speed Index medium effort
- −4.6 First Contentful Paint medium effort
- 2.0 s Reduce unused JavaScript high effort
- 760 ms Reduce unused CSS high effort
SEO 85 · 15 points to gain
- −7.7 Document does not have a meta description low effort
- −7.7 Links do not have descriptive text low effort
Accessibility 94 · 6 points to gain
- −3.9 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −1.7 Heading elements are not in a sequentially-descending order medium effort
Desktop
Speed 98 · 2 points to gain
- −1 Largest Contentful Paint medium effort
- −0.9 Total Blocking Time medium effort
SEO 85 · 15 points to gain
- −7.7 Document does not have a meta description low effort
- −7.7 Links do not have descriptive text low effort
Accessibility 94 · 6 points to gain
- −3.9 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −1.7 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 | ||||||
| Lusaka default demo ↗ | 64 | 85 | 94 | 98 | 85 | 94 | 2026-11-04 |
| home ↗ | 64 | 85 | 94 | 98 | 85 | 94 | 2026-11-04 |
Show this score on your site
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<a href="https://themestested.com/theme/squarespace/lusaka-fluid-demo"><img src="https://themestested.com/badge/squarespace/lusaka-fluid-demo.svg" alt="Lusaka speed score on Themestested" height="20"></a>
Add ?device=d for the desktop score, or ?metric=seo / ?metric=a11y for SEO or accessibility.