Duckbutt
Duckbutt is a Framer theme by Michael Andreuzza ($99). Tested on 2026-11-10 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 89 for mobile speed and 100 for desktop speed, 100/100 for SEO and 92/92 for accessibility (mobile/desktop, 0–100).
Mobile89

Desktop100

Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 89 | 100 |
| SEO | 100 | 100 |
| Accessibility | 92 | 92 |
| Best practices | 100 | 100 |
Single preset · measured 4 times since 2026-11-10 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Duckbutt home page
Mobile
Speed 89 · 11 points to gain
- −11.2 Largest Contentful Paint medium effort
- 600 ms Reduce unused JavaScript high effort
Accessibility 92 · 8 points to gain
- −8.2 `<html>` element does not have a `[lang]` attribute low effort
Desktop
Accessibility 92 · 8 points to gain
- −8.2 `<html>` element does not have a `[lang]` attribute low effort
Presets and pages
| Preset / page | Speed | SEO | A11y | Speed | SEO | A11y | Tested |
|---|---|---|---|---|---|---|---|
| mobile | desktop | ||||||
| Duckbutt default demo ↗ | 89 | 100 | 92 | 100 | 100 | 92 | 2026-11-10 |
| home ↗ | 89 | 100 | 92 | 100 | 100 | 92 | 2026-11-10 |