Mason
Mason is a Ghost theme by storiedthemes ($99). Tested on 2026-11-07 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 70 for mobile speed and 97 for desktop speed, 100/100 for SEO and 91/91 for accessibility (mobile/desktop, 0–100).
Mobile70

Desktop97

Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 70 | 97 |
| SEO | 100 | 100 |
| Accessibility | 91 | 91 |
| Best practices | 100 | 100 |
Single preset · measured 8 times since 2026-10-09 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Mason home page
Mobile
Speed 70 · 30 points to gain
- −24.5 Largest Contentful Paint medium effort
- −5.7 Speed Index medium effort
- 970 ms Reduce unused JavaScript high effort
Accessibility 91 · 9 points to gain
- −4.3 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −4.3 Touch targets do not have sufficient size or spacing. medium effort
Desktop
Speed 97 · 3 points to gain
- −3.3 Largest Contentful Paint medium effort
Accessibility 91 · 9 points to gain
- −4.3 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −4.3 Touch targets do not have sufficient size or spacing. medium effort
Presets and pages
| Preset / page | Speed | SEO | A11y | Speed | SEO | A11y | Tested |
|---|---|---|---|---|---|---|---|
| mobile | desktop | ||||||
| Mason default demo ↗ | 70 | 100 | 91 | 97 | 100 | 91 | 2026-11-07 |
| home ↗ | 70 | 100 | 91 | 97 | 100 | 91 | 2026-11-07 |