Harman
Harman is a Squarespace theme by Squarespace (Free). Tested on 2026-10-28 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 59 for mobile speed and 75 for desktop speed, 85/85 for SEO and 94/94 for accessibility (mobile/desktop, 0–100).
Mobile59

Desktop75

Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 59 | 75 |
| SEO | 85 | 85 |
| Accessibility | 94 | 94 |
| Best practices | 96 | 96 |
Single preset · measured 10 times since 2026-09-14 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Harman home page
Mobile
Speed 59 · 41 points to gain
- −24.5 Largest Contentful Paint medium effort
- −8.1 First Contentful Paint medium effort
- −4.8 Total Blocking Time medium effort
- −4 Speed Index medium effort
- 2.2 s Reduce unused JavaScript high effort
- 600 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
- −4.1 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −1.8 Heading elements are not in a sequentially-descending order medium effort
Best practices 96 · 4 points to gain
- −3.8 Browser errors were logged to the console medium effort
Desktop
Speed 75 · 25 points to gain
- −23.3 Cumulative Layout Shift medium effort
- −0.8 Largest Contentful Paint medium effort
- −0.6 Total Blocking Time medium effort
- −0.6 Speed Index medium effort
- 110 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
- −4.1 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −1.8 Heading elements are not in a sequentially-descending order medium effort
Best practices 96 · 4 points to gain
- −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 | ||||||
| Harman default demo ↗ | 59 | 85 | 94 | 75 | 85 | 94 | 2026-10-28 |
| home ↗ | 59 | 85 | 94 | 75 | 85 | 94 | 2026-10-28 |