Krystal
Krystal is a WordPress theme by Spiracle Themes (Free). Tested on 2026-09-12 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 93 for mobile speed and 97 for desktop speed, 58/50 for SEO and 96/90 for accessibility (mobile/desktop, 0–100). On its marketplace it is rated 5.0 out of 5 from 1 reviews.
Mobile93
Desktop97
Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 93 | 97 |
| SEO | 58 | 50 |
| Accessibility | 96 | 90 |
| Best practices | 96 | 100 |
Single preset · measured 2 times since 2026-09-12 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Krystal home page
Mobile
Speed 93 · 7 points to gain
- −3.8 Largest Contentful Paint medium effort
- −2.4 Speed Index medium effort
- −0.8 First Contentful Paint medium effort
- 150 ms Reduce unused CSS high effort
SEO 58 · 42 points to gain
- −33.6 Page is blocked from indexing low effort
- −8.3 Document does not have a meta description low effort
Accessibility 96 · 4 points to gain
- −3.8 Links do not have a discernible name medium effort
Best practices 96 · 4 points to gain
- −3.8 Serves images with low resolution low effort
Desktop
Speed 97 · 3 points to gain
- −2.3 Speed Index medium effort
SEO 50 · 50 points to gain
- −33.6 Page is blocked from indexing low effort
- −8.3 Document does not have a meta description low effort
- −8.3 Image elements do not have `[alt]` attributes low effort
Accessibility 90 · 10 points to gain
- −5.7 Image elements do not have `[alt]` attributes low effort
- −4 Links do not have a discernible name medium effort
Presets and pages
| Preset / page | Speed | SEO | A11y | Speed | SEO | A11y | Tested |
|---|---|---|---|---|---|---|---|
| mobile | desktop | ||||||
| Krystal default demo ↗ | 93 | 58 | 96 | 97 | 50 | 90 | 2026-09-12 |
| home ↗ | 93 | 58 | 96 | 97 | 50 | 90 | 2026-09-12 |
Show this score on your site
A live badge: it always shows Krystal's current score and links back here. Paste this where the theme is sold or documented.
<a href="https://themestested.com/theme/wordpress/krystal"><img src="https://themestested.com/badge/wordpress/krystal.svg" alt="Krystal speed score on Themestested" height="20"></a>
Add ?device=d for the desktop score, or ?metric=seo / ?metric=a11y for SEO or accessibility.