Air
Air is a Squarespace theme by Squarespace (Free). Tested on 2026-10-28 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 3 for mobile speed and 18 for desktop speed, 92/92 for SEO and 92/92 for accessibility (mobile/desktop, 0–100).
Mobile3
Desktop18
Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 3 | 18 |
| SEO | 92 | 92 |
| Accessibility | 92 | 92 |
| Best practices | 73 | 73 |
Single preset · measured 8 times since 2026-10-14 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Air home page
Mobile
Speed 3 · 97 points to gain
- −27 Total Blocking Time medium effort
- −25 Largest Contentful Paint medium effort
- −25 Cumulative Layout Shift medium effort
- −10 First Contentful Paint medium effort
- −9.9 Speed Index medium effort
- 10.8 s Reduce unused JavaScript high effort
- 1.1 s Reduce unused CSS high effort
SEO 92 · 8 points to gain
- −7.7 Document does not have a meta description low effort
Accessibility 92 · 8 points to gain
- −5.3 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −2.3 Heading elements are not in a sequentially-descending order medium effort
Best practices 73 · 27 points to gain
- −19.2 Uses third-party cookies high effort
- −3.8 Browser errors were logged to the console medium effort
- −3.8 Issues were logged in the `Issues` panel in Chrome Devtools high effort
Desktop
Speed 18 · 82 points to gain
- −30 Total Blocking Time medium effort
- −25 Cumulative Layout Shift medium effort
- −17.5 Largest Contentful Paint medium effort
- −8.6 Speed Index medium effort
- −0.7 First Contentful Paint medium effort
- 580 ms Reduce unused JavaScript high effort
SEO 92 · 8 points to gain
- −7.7 Document does not have a meta description low effort
Accessibility 92 · 8 points to gain
- −5.8 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −2.5 Heading elements are not in a sequentially-descending order medium effort
Best practices 73 · 27 points to gain
- −19.2 Uses third-party cookies high effort
- −3.8 Browser errors were logged to the console medium effort
- −3.8 Issues were logged in the `Issues` panel in Chrome Devtools high effort
Presets and pages
| Preset / page | Speed | SEO | A11y | Speed | SEO | A11y | Tested |
|---|---|---|---|---|---|---|---|
| mobile | desktop | ||||||
| Air default demo ↗ | 3 | 92 | 92 | 18 | 92 | 92 | 2026-10-28 |
| home ↗ | 3 | 92 | 92 | 18 | 92 | 92 | 2026-10-28 |
Show this score on your site
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<a href="https://themestested.com/theme/squarespace/air-fluid-demo"><img src="https://themestested.com/badge/squarespace/air-fluid-demo.svg" alt="Air speed score on Themestested" height="20"></a>
Add ?device=d for the desktop score, or ?metric=seo / ?metric=a11y for SEO or accessibility.