Tantillo
Tantillo 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 58 for mobile speed and 79 for desktop speed, 92/92 for SEO and 90/90 for accessibility (mobile/desktop, 0–100).
Mobile58
Desktop79
Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 58 | 79 |
| SEO | 92 | 92 |
| Accessibility | 90 | 90 |
| Best practices | 100 | 100 |
Single preset · measured 12 times since 2026-11-04 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Tantillo home page
Mobile
Speed 58 · 42 points to gain
- −25 Largest Contentful Paint medium effort
- −8.2 First Contentful Paint medium effort
- −6.5 Speed Index medium effort
- −2.1 Total Blocking Time medium effort
- 2.3 s Reduce unused JavaScript high effort
- 450 ms Reduce unused CSS high effort
SEO 92 · 8 points to gain
- −7.7 Document does not have a meta description low effort
Accessibility 90 · 10 points to gain
- −4 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −4 Links do not have a discernible name medium effort
- −1.7 Heading elements are not in a sequentially-descending order medium effort
Desktop
Speed 79 · 21 points to gain
- −13.3 Largest Contentful Paint medium effort
- −7.2 Total Blocking Time medium effort
- −0.7 Speed Index medium effort
- 490 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 90 · 10 points to gain
- −4.2 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −4.2 Links do not have a discernible name medium effort
- −1.8 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 | ||||||
| Tantillo default demo ↗ | 58 | 92 | 90 | 79 | 92 | 90 | 2026-11-04 |
| home ↗ | 58 | 92 | 90 | 79 | 92 | 90 | 2026-11-04 |
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<a href="https://themestested.com/theme/squarespace/tantillo-fluid-demo"><img src="https://themestested.com/badge/squarespace/tantillo-fluid-demo.svg" alt="Tantillo speed score on Themestested" height="20"></a>
Add ?device=d for the desktop score, or ?metric=seo / ?metric=a11y for SEO or accessibility.