Quincy
Quincy is a Squarespace theme by Squarespace (Free). Tested on 2026-11-09 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 83 for mobile speed and 99 for desktop speed, 92/92 for SEO and 91/93 for accessibility (mobile/desktop, 0–100).
Mobile83

Desktop99

Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 83 | 99 |
| SEO | 92 | 92 |
| Accessibility | 91 | 93 |
| Best practices | 96 | 96 |
Single preset · measured 14 times since 2026-11-02 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Quincy home page
Mobile
Speed 83 · 17 points to gain
- −11.2 Largest Contentful Paint medium effort
- −3.6 First Contentful Paint medium effort
- −1.8 Speed Index medium effort
- 600 ms Reduce unused CSS high effort
- 160 ms Reduce unused JavaScript high effort
SEO 92 · 8 points to gain
- −7.7 Document does not have a meta description low effort
Accessibility 91 · 9 points to gain
- −6 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −2.6 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 99 · 1 points to gain
- −0.5 Largest Contentful Paint medium effort
- −0.5 Speed Index medium effort
SEO 92 · 8 points to gain
- −7.7 Document does not have a meta description low effort
Accessibility 93 · 7 points to gain
- −4.6 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −2 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 | ||||||
| Quincy default demo ↗ | 83 | 92 | 91 | 99 | 92 | 93 | 2026-11-09 |
| home ↗ | 83 | 92 | 91 | 99 | 92 | 93 | 2026-11-09 |