Thesis
Thesis is a Ghost theme by priority.vision ($89). Tested on 2026-10-31 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 66 for mobile speed and 98 for desktop speed, 69/69 for SEO and 96/96 for accessibility (mobile/desktop, 0–100).
Mobile66
Desktop98
Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 66 | 98 |
| SEO | 69 | 69 |
| Accessibility | 96 | 96 |
| Best practices | 100 | 100 |
Single preset · measured 8 times since 2026-10-10 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Thesis home page
Mobile
Speed 66 · 34 points to gain
- −24.8 Largest Contentful Paint medium effort
- −5.3 Speed Index medium effort
- −2.7 First Contentful Paint medium effort
- −1.2 Total Blocking Time medium effort
- 1.7 s Reduce unused JavaScript high effort
SEO 69 · 31 points to gain
- −31 Page is blocked from indexing low effort
Accessibility 96 · 4 points to gain
- −3.9 Touch targets do not have sufficient size or spacing. medium effort
Desktop
Speed 98 · 2 points to gain
- −1.7 Largest Contentful Paint 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
Presets and pages
| Preset / page | Speed | SEO | A11y | Speed | SEO | A11y | Tested |
|---|---|---|---|---|---|---|---|
| mobile | desktop | ||||||
| Thesis default demo ↗ | 66 | 69 | 96 | 98 | 69 | 96 | 2026-10-31 |
| home ↗ | 66 | 69 | 96 | 98 | 69 | 96 | 2026-10-31 |
Show this score on your site
A live badge: it always shows Thesis's current score and links back here. Paste this where the theme is sold or documented.
<a href="https://themestested.com/theme/ghost/thesis"><img src="https://themestested.com/badge/ghost/thesis.svg" alt="Thesis speed score on Themestested" height="20"></a>
Add ?device=d for the desktop score, or ?metric=seo / ?metric=a11y for SEO or accessibility.