Tresoire
Tresoire 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 51 for mobile speed and 74 for desktop speed, 92/92 for SEO and 94/94 for accessibility (mobile/desktop, 0–100).
Mobile51
Desktop74
Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 51 | 74 |
| SEO | 92 | 92 |
| Accessibility | 94 | 94 |
| Best practices | 100 | 100 |
Single preset · measured 10 times since 2026-11-04 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Tresoire home page
Mobile
Speed 51 · 49 points to gain
- −25 Largest Contentful Paint medium effort
- −15 Cumulative Layout Shift medium effort
- −3.6 Total Blocking Time medium effort
- −3.5 First Contentful Paint medium effort
- −1.7 Speed Index medium effort
- 3.0 s Reduce unused JavaScript high effort
- 600 ms Reduce unused CSS high effort
SEO 92 · 8 points to gain
- −7.7 Document does not have a meta description 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
Desktop
Speed 74 · 26 points to gain
- −10.8 Total Blocking Time medium effort
- −10 Largest Contentful Paint medium effort
- −4 Cumulative Layout Shift medium effort
- −1.2 Speed Index medium effort
- 320 ms Reduce unused JavaScript high effort
- 120 ms Reduce unused CSS high effort
SEO 92 · 8 points to gain
- −7.7 Document does not have a meta description 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
Presets and pages
| Preset / page | Speed | SEO | A11y | Speed | SEO | A11y | Tested |
|---|---|---|---|---|---|---|---|
| mobile | desktop | ||||||
| Tresoire default demo ↗ | 51 | 92 | 94 | 74 | 92 | 94 | 2026-11-04 |
| home ↗ | 51 | 92 | 94 | 74 | 92 | 94 | 2026-11-04 |
Show this score on your site
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<a href="https://themestested.com/theme/squarespace/tresoire-fluid-demo"><img src="https://themestested.com/badge/squarespace/tresoire-fluid-demo.svg" alt="Tresoire speed score on Themestested" height="20"></a>
Add ?device=d for the desktop score, or ?metric=seo / ?metric=a11y for SEO or accessibility.