Neutron
Neutron is a Framer theme by Gergő Cserba (Free). Tested on 2026-09-13 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 68 for mobile speed and 94 for desktop speed, 100/100 for SEO and 91/93 for accessibility (mobile/desktop, 0–100).
Mobile68
Desktop94
Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 68 | 94 |
| SEO | 100 | 100 |
| Accessibility | 91 | 93 |
| Best practices | 100 | 100 |
Single preset · measured 2 times since 2026-09-13 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Neutron home page
Mobile
Speed 68 · 32 points to gain
- −21.8 Largest Contentful Paint medium effort
- −4.8 First Contentful Paint medium effort
- −4.2 Total Blocking Time medium effort
- −0.9 Speed Index medium effort
- 450 ms Reduce unused JavaScript high effort
Accessibility 91 · 9 points to gain
- −3.6 Links rely on color to be distinguishable. medium effort
- −3.6 List items (`<li>`) are not contained within `<ul>`, `<ol>` or `<menu>` parent elements. low effort
- −1.6 Heading elements are not in a sequentially-descending order medium effort
Desktop
Speed 94 · 6 points to gain
- −2.7 Largest Contentful Paint medium effort
- −1.2 Speed Index medium effort
- −0.9 Total Blocking Time medium effort
- −0.7 First Contentful Paint medium effort
Accessibility 93 · 7 points to gain
- −5 Links rely on color to be distinguishable. medium effort
- −2.1 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 | ||||||
| Neutron default demo ↗ | 68 | 100 | 91 | 94 | 100 | 93 | 2026-09-13 |
| home ↗ | 68 | 100 | 91 | 94 | 100 | 93 | 2026-09-13 |
Show this score on your site
A live badge: it always shows Neutron's current score and links back here. Paste this where the theme is sold or documented.
<a href="https://themestested.com/theme/framer/neutron"><img src="https://themestested.com/badge/framer/neutron.svg" alt="Neutron speed score on Themestested" height="20"></a>
Add ?device=d for the desktop score, or ?metric=seo / ?metric=a11y for SEO or accessibility.