Petra
Petra is a Ghost theme by aspirethemes ($149). Tested on 2026-11-07 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 92 for mobile speed and 88 for desktop speed, 100/100 for SEO and 100/100 for accessibility (mobile/desktop, 0–100).
Mobile92
Desktop88
Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 92 | 88 |
| SEO | 100 | 100 |
| Accessibility | 100 | 100 |
| Best practices | 100 | 100 |
Single preset · measured 10 times since 2026-11-07 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Petra home page
Mobile
Speed 92 · 8 points to gain
- −4.5 Total Blocking Time medium effort
- −2.8 Speed Index medium effort
- −0.5 First Contentful Paint medium effort
- 150 ms Reduce unused JavaScript high effort
Desktop
Speed 88 · 12 points to gain
- −8.5 Largest Contentful Paint medium effort
- −3.3 Total Blocking Time medium effort
- −0.7 Speed Index medium effort
- 340 ms Reduce unused JavaScript high effort
Presets and pages
| Preset / page | Speed | SEO | A11y | Speed | SEO | A11y | Tested |
|---|---|---|---|---|---|---|---|
| mobile | desktop | ||||||
| Petra default demo ↗ | 92 | 100 | 100 | 88 | 100 | 100 | 2026-11-07 |
| home ↗ | 92 | 100 | 100 | 88 | 100 | 100 | 2026-11-07 |
Show this score on your site
A live badge: it always shows Petra's current score and links back here. Paste this where the theme is sold or documented.
<a href="https://themestested.com/theme/ghost/petra"><img src="https://themestested.com/badge/ghost/petra.svg" alt="Petra speed score on Themestested" height="20"></a>
Add ?device=d for the desktop score, or ?metric=seo / ?metric=a11y for SEO or accessibility.