Format
Format is a Ghost theme by priority.vision ($89). Tested on 2026-11-07 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 88 for mobile speed and 99 for desktop speed, 69/69 for SEO and 96/96 for accessibility (mobile/desktop, 0–100).
Mobile88

Desktop99

Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 88 | 99 |
| SEO | 69 | 69 |
| Accessibility | 96 | 96 |
| Best practices | 96 | 96 |
Single preset · measured 8 times since 2026-10-09 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Format home page
Mobile
Speed 88 · 12 points to gain
- −5.7 Speed Index medium effort
- −3 First Contentful Paint medium effort
- −2.2 Largest Contentful Paint medium effort
- −0.6 Total Blocking Time medium effort
SEO 69 · 31 points to gain
- −31 Page is blocked from indexing low effort
Accessibility 96 · 4 points to gain
- −3.7 Touch targets do not have sufficient size or spacing. medium effort
Best practices 96 · 4 points to gain
- −3.8 Browser errors were logged to the console medium effort
Desktop
SEO 69 · 31 points to gain
- −31 Page is blocked from indexing low effort
Accessibility 96 · 4 points to gain
- −3.7 Touch targets do not have sufficient size or spacing. medium effort
Best practices 96 · 4 points to gain
- −3.8 Browser errors were logged to the console medium effort
Presets and pages
| Preset / page | Speed | SEO | A11y | Speed | SEO | A11y | Tested |
|---|---|---|---|---|---|---|---|
| mobile | desktop | ||||||
| Format default demo ↗ | 88 | 69 | 96 | 99 | 69 | 96 | 2026-11-07 |
| home ↗ | 88 | 69 | 96 | 99 | 69 | 96 | 2026-11-07 |