Polar
Polar is a Ghost theme by gbjsolution ($59). Tested on 2026-11-07 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 77 for mobile speed and 94 for desktop speed, 100/100 for SEO and 87/87 for accessibility (mobile/desktop, 0–100).
Mobile77
Desktop94
Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 77 | 94 |
| SEO | 100 | 100 |
| Accessibility | 87 | 87 |
| Best practices | 100 | 100 |
Single preset · measured 8 times since 2026-11-07 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Polar home page
Mobile
Speed 77 · 23 points to gain
- −22.3 Largest Contentful Paint medium effort
- −0.5 Speed Index medium effort
- 1.1 s Reduce unused JavaScript high effort
- 150 ms Reduce unused CSS high effort
Accessibility 87 · 13 points to gain
- −4.5 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −4.5 Links do not have a discernible name medium effort
- −1.9 Heading elements are not in a sequentially-descending order medium effort
- −1.9 Document does not have a main landmark. medium effort
Desktop
Speed 94 · 6 points to gain
- −4.3 Largest Contentful Paint medium effort
- −1 Cumulative Layout Shift medium effort
- 120 ms Reduce unused JavaScript high effort
Accessibility 87 · 13 points to gain
- −4.5 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −4.5 Links do not have a discernible name medium effort
- −1.9 Heading elements are not in a sequentially-descending order medium effort
- −1.9 Document does not have a main landmark. medium effort
Presets and pages
| Preset / page | Speed | SEO | A11y | Speed | SEO | A11y | Tested |
|---|---|---|---|---|---|---|---|
| mobile | desktop | ||||||
| Polar default demo ↗ | 77 | 100 | 87 | 94 | 100 | 87 | 2026-11-07 |
| home ↗ | 77 | 100 | 87 | 94 | 100 | 87 | 2026-11-07 |
Show this score on your site
A live badge: it always shows Polar's current score and links back here. Paste this where the theme is sold or documented.
<a href="https://themestested.com/theme/ghost/polar"><img src="https://themestested.com/badge/ghost/polar.svg" alt="Polar speed score on Themestested" height="20"></a>
Add ?device=d for the desktop score, or ?metric=seo / ?metric=a11y for SEO or accessibility.