Forma
Forma is a Squarespace theme by Squarespace (Free). Tested on 2026-09-15 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 39 for mobile speed and 40 for desktop speed, 92/92 for SEO and 96/96 for accessibility (mobile/desktop, 0–100).
Mobile39
Desktop40
Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 39 | 40 |
| SEO | 92 | 92 |
| Accessibility | 96 | 96 |
| Best practices | 96 | 96 |
Single preset · measured 2 times since 2026-09-15 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Forma home page
Mobile
Speed 39 · 61 points to gain
- −25 Largest Contentful Paint medium effort
- −16.5 Total Blocking Time medium effort
- −10 First Contentful Paint medium effort
- −9.6 Speed Index medium effort
- 6.0 s Reduce unused JavaScript high effort
- 880 ms Reduce unused CSS high effort
SEO 92 · 8 points to gain
- −7.7 Document does not have a meta description low effort
Accessibility 96 · 4 points to gain
- −3.9 Background and foreground colors do not have a sufficient contrast ratio. medium effort
Best practices 96 · 4 points to gain
- −3.8 Browser errors were logged to the console medium effort
Desktop
Speed 40 · 60 points to gain
- −30 Total Blocking Time medium effort
- −19 Largest Contentful Paint medium effort
- −10 Speed Index medium effort
- −1.3 First Contentful Paint medium effort
- 150 ms Reduce unused CSS high effort
SEO 92 · 8 points to gain
- −7.7 Document does not have a meta description low effort
Accessibility 96 · 4 points to gain
- −3.9 Background and foreground colors do not have a sufficient contrast ratio. 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 | ||||||
| Forma default demo ↗ | 39 | 92 | 96 | 40 | 92 | 96 | 2026-09-15 |
| home ↗ | 39 | 92 | 96 | 40 | 92 | 96 | 2026-09-15 |
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<a href="https://themestested.com/theme/squarespace/forma-fluid-demo"><img src="https://themestested.com/badge/squarespace/forma-fluid-demo.svg" alt="Forma speed score on Themestested" height="20"></a>
Add ?device=d for the desktop score, or ?metric=seo / ?metric=a11y for SEO or accessibility.