Lustro
Lustro is a Framer theme by Grabui Library ($69). Tested on 2026-09-13 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 69 for mobile speed and 90 for desktop speed, 100/100 for SEO and 91/94 for accessibility (mobile/desktop, 0–100).
Mobile69
Desktop90
Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 69 | 90 |
| SEO | 100 | 100 |
| Accessibility | 91 | 94 |
| Best practices | 96 | 96 |
Single preset · measured 2 times since 2026-09-13 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Lustro home page
Mobile
Speed 69 · 31 points to gain
- −22.3 Largest Contentful Paint medium effort
- −7.2 Speed Index medium effort
- −2 First Contentful Paint medium effort
- 300 ms Reduce unused JavaScript high effort
Accessibility 91 · 9 points to gain
- −3.9 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −3.9 Touch targets do not have sufficient size or spacing. medium effort
- −1.7 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 90 · 10 points to gain
- −5.8 Largest Contentful Paint medium effort
- −4 Speed Index medium effort
Accessibility 94 · 6 points to gain
- −4 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −1.7 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 | ||||||
| Lustro default demo ↗ | 69 | 100 | 91 | 90 | 100 | 94 | 2026-09-13 |
| home ↗ | 69 | 100 | 91 | 90 | 100 | 94 | 2026-09-13 |
Show this score on your site
A live badge: it always shows Lustro's current score and links back here. Paste this where the theme is sold or documented.
<a href="https://themestested.com/theme/framer/lustro"><img src="https://themestested.com/badge/framer/lustro.svg" alt="Lustro speed score on Themestested" height="20"></a>
Add ?device=d for the desktop score, or ?metric=seo / ?metric=a11y for SEO or accessibility.