Mason
Mason is a Framer theme by Jamik (Free). Tested on 2026-09-13 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 66 for mobile speed and 59 for desktop speed, 100/100 for SEO and 92/94 for accessibility (mobile/desktop, 0–100). Note: its demo home page is heavy — 6.9 MB — heavier than a typical store, so the speed score may understate the theme.
Mobile66
Desktop59
Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 66 | 59 |
| SEO | 100 | 100 |
| Accessibility | 92 | 94 |
| 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 — Mason home page
Mobile
Speed 66 · 34 points to gain
- −17.1 Total Blocking Time medium effort
- −8 Largest Contentful Paint medium effort
- −4.6 Speed Index medium effort
- −3 Cumulative Layout Shift medium effort
- −1.6 First Contentful Paint medium effort
- 450 ms Reduce unused JavaScript high effort
Accessibility 92 · 8 points to gain
- −4.2 `<html>` element does not have a `[lang]` attribute low effort
- −1.8 Heading elements are not in a sequentially-descending order medium effort
- −1.8 Document does not have a main landmark. medium effort
Desktop
Speed 59 · 41 points to gain
- −30 Total Blocking Time medium effort
- −10 Speed Index medium effort
- −1.3 Largest Contentful Paint medium effort
- 120 ms Reduce unused JavaScript high effort
Accessibility 94 · 6 points to gain
- −4.2 `<html>` element does not have a `[lang]` attribute low effort
- −1.8 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 | ||||||
| Mason default demo ↗ | 66 | 100 | 92 | 59 | 100 | 94 | 2026-09-13 |
| home ↗ | 66 | 100 | 92 | 59 | 100 | 94 | 2026-09-13 |
Show this score on your site
A live badge: it always shows Mason's current score and links back here. Paste this where the theme is sold or documented.
<a href="https://themestested.com/theme/framer/mason"><img src="https://themestested.com/badge/framer/mason.svg" alt="Mason speed score on Themestested" height="20"></a>
Add ?device=d for the desktop score, or ?metric=seo / ?metric=a11y for SEO or accessibility.