Vivienne Lark
Vivienne Lark is a Framer theme by John Nicholson (Free). Tested on 2026-10-06 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 81 for mobile speed and 93 for desktop speed, 100/100 for SEO and 89/88 for accessibility (mobile/desktop, 0–100).
Mobile81

Desktop93

Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 81 | 93 |
| SEO | 100 | 100 |
| Accessibility | 89 | 88 |
| Best practices | 100 | 100 |
Single preset · measured 2 times since 2026-10-06 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Vivienne Lark home page
Mobile
Speed 81 · 19 points to gain
- −10.5 Cumulative Layout Shift medium effort
- −4.7 Largest Contentful Paint medium effort
- −1.9 Speed Index medium effort
- −1.6 First Contentful Paint medium effort
Accessibility 89 · 11 points to gain
- −4.6 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −4.6 `<html>` element does not have a `[lang]` attribute low effort
- −2 Document does not have a main landmark. medium effort
Desktop
Speed 93 · 7 points to gain
- −4 Largest Contentful Paint medium effort
- −2.5 Speed Index medium effort
Accessibility 88 · 12 points to gain
- −4.8 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −4.8 `<html>` element does not have a `[lang]` attribute low effort
- −2.1 Document does not have a main landmark. medium effort
Presets and pages
| Preset / page | Speed | SEO | A11y | Speed | SEO | A11y | Tested |
|---|---|---|---|---|---|---|---|
| mobile | desktop | ||||||
| Vivienne Lark default demo ↗ | 81 | 100 | 89 | 93 | 100 | 88 | 2026-10-06 |
| home ↗ | 81 | 100 | 89 | 93 | 100 | 88 | 2026-10-06 |