Mugen
Mugen is a Framer theme by Joseph Alexander ($129). Tested on 2026-09-13 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 54 for mobile speed and 97 for desktop speed, 100/92 for SEO and 96/96 for accessibility (mobile/desktop, 0–100). Note: its demo home page is heavy — 7.9 MB — heavier than a typical store, so the speed score may understate the theme.
Mobile54
Desktop97
Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 54 | 97 |
| SEO | 100 | 92 |
| Accessibility | 96 | 96 |
| 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 — Mugen home page
Mobile
Speed 54 · 46 points to gain
- −25 Largest Contentful Paint medium effort
- −9 First Contentful Paint medium effort
- −7.8 Total Blocking Time medium effort
- −4.6 Speed Index medium effort
- 600 ms Reduce unused JavaScript high effort
Accessibility 96 · 4 points to gain
- −3.6 Background and foreground colors do not have a sufficient contrast ratio. medium effort
Desktop
Speed 97 · 3 points to gain
- −1.9 Speed Index medium effort
- −1.3 Largest Contentful Paint medium effort
SEO 92 · 8 points to gain
- −7.7 Links are not crawlable medium effort
Accessibility 96 · 4 points to gain
- −3.6 Background and foreground colors do not have a sufficient contrast ratio. medium effort
Presets and pages
| Preset / page | Speed | SEO | A11y | Speed | SEO | A11y | Tested |
|---|---|---|---|---|---|---|---|
| mobile | desktop | ||||||
| Mugen default demo ↗ | 54 | 100 | 96 | 97 | 92 | 96 | 2026-09-13 |
| home ↗ | 54 | 100 | 96 | 97 | 92 | 96 | 2026-09-13 |
Show this score on your site
A live badge: it always shows Mugen's current score and links back here. Paste this where the theme is sold or documented.
<a href="https://themestested.com/theme/framer/mugen"><img src="https://themestested.com/badge/framer/mugen.svg" alt="Mugen speed score on Themestested" height="20"></a>
Add ?device=d for the desktop score, or ?metric=seo / ?metric=a11y for SEO or accessibility.