Suffolk
Suffolk 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 67 for mobile speed and 90 for desktop speed, 85/85 for SEO and 94/94 for accessibility (mobile/desktop, 0–100).
Mobile67

Desktop90

Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 67 | 90 |
| SEO | 85 | 85 |
| Accessibility | 94 | 94 |
| Best practices | 96 | 96 |
Single preset · measured 16 times since 2026-11-04 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Suffolk home page
Mobile
Speed 67 · 33 points to gain
- −24.5 Largest Contentful Paint medium effort
- −4.9 Speed Index medium effort
- −3.6 First Contentful Paint medium effort
- 2.0 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 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
Best practices 96 · 4 points to gain
- −3.8 Browser errors were logged to the console medium effort
Desktop
Speed 90 · 10 points to gain
- −7.3 Largest Contentful Paint medium effort
- −1.8 Total Blocking Time medium effort
- 250 ms Reduce unused JavaScript 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 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
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 | ||||||
| Suffolk default demo ↗ | 67 | 85 | 94 | 90 | 85 | 94 | 2026-11-04 |
| home ↗ | 67 | 85 | 94 | 90 | 85 | 94 | 2026-11-04 |