Archer
Archer 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 58 for mobile speed and 88 for desktop speed, 92/92 for SEO and 94/94 for accessibility (mobile/desktop, 0–100).
Mobile58
Desktop88
Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 58 | 88 |
| SEO | 92 | 92 |
| Accessibility | 94 | 94 |
| Best practices | 96 | 96 |
Single preset · measured 12 times since 2026-10-07 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Archer home page
Mobile
Speed 58 · 42 points to gain
- −24.5 Largest Contentful Paint medium effort
- −8 First Contentful Paint medium effort
- −5.7 Total Blocking Time medium effort
- −3.5 Speed Index medium effort
- 2.2 s Reduce unused JavaScript high effort
- 750 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
- −4.1 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −1.8 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 88 · 12 points to gain
- −9.6 Total Blocking Time medium effort
- −2.2 Largest Contentful Paint medium effort
- 140 ms Reduce unused JavaScript 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
- −4.1 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −1.8 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 | ||||||
| Archer default demo ↗ | 58 | 92 | 94 | 88 | 92 | 94 | 2026-10-28 |
| home ↗ | 58 | 92 | 94 | 88 | 92 | 94 | 2026-10-28 |
Show this score on your site
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<a href="https://themestested.com/theme/squarespace/archer-fluid-demo"><img src="https://themestested.com/badge/squarespace/archer-fluid-demo.svg" alt="Archer speed score on Themestested" height="20"></a>
Add ?device=d for the desktop score, or ?metric=seo / ?metric=a11y for SEO or accessibility.