Catalyst
Catalyst is a Framer theme by fourtwelve ($69). Tested on 2026-09-12 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 63 for mobile speed and 86 for desktop speed, 100/92 for SEO and 98/92 for accessibility (mobile/desktop, 0–100).
Mobile63
Desktop86
Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 63 | 86 |
| SEO | 100 | 92 |
| Accessibility | 98 | 92 |
| Best practices | 100 | 100 |
Single preset · measured 2 times since 2026-09-12 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Catalyst home page
Mobile
Speed 63 · 37 points to gain
- −25 Largest Contentful Paint medium effort
- −6.1 First Contentful Paint medium effort
- −5.6 Speed Index medium effort
- 910 ms Reduce unused JavaScript high effort
Accessibility 98 · 2 points to gain
- −2.5 Heading elements are not in a sequentially-descending order medium effort
Desktop
Speed 86 · 14 points to gain
- −13 Largest Contentful Paint medium effort
- −1 Speed Index medium effort
- 130 ms Reduce unused JavaScript high effort
SEO 92 · 8 points to gain
- −7.7 Links do not have descriptive text 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
Presets and pages
| Preset / page | Speed | SEO | A11y | Speed | SEO | A11y | Tested |
|---|---|---|---|---|---|---|---|
| mobile | desktop | ||||||
| Catalyst default demo ↗ | 63 | 100 | 98 | 86 | 92 | 92 | 2026-09-12 |
| home ↗ | 63 | 100 | 98 | 86 | 92 | 92 | 2026-09-12 |
Show this score on your site
A live badge: it always shows Catalyst's current score and links back here. Paste this where the theme is sold or documented.
<a href="https://themestested.com/theme/framer/catalyst"><img src="https://themestested.com/badge/framer/catalyst.svg" alt="Catalyst speed score on Themestested" height="20"></a>
Add ?device=d for the desktop score, or ?metric=seo / ?metric=a11y for SEO or accessibility.