Slab
Listed as "Slab - Neo-Brutalist Astro SaaS Theme"
Slab is a Astro theme by AeroLaunch (Paid). Tested on 2026-09-12 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 98 for mobile speed and 100 for desktop speed, 100/100 for SEO and 93/93 for accessibility (mobile/desktop, 0–100).
Mobile98
Desktop100
Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 98 | 100 |
| SEO | 100 | 100 |
| Accessibility | 93 | 93 |
| Best practices | 100 | 100 |
Single preset · measured 2 times since 2026-09-12 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Slab - Neo-Brutalist Astro SaaS Theme home page
Mobile
Speed 98 · 2 points to gain
- −1.7 Speed Index medium effort
Accessibility 93 · 7 points to gain
- −3.6 Elements use prohibited ARIA attributes medium effort
- −3.6 Background and foreground colors do not have a sufficient contrast ratio. medium effort
Desktop
Accessibility 93 · 7 points to gain
- −3.6 Elements use prohibited ARIA attributes medium effort
- −3.6 Background and foreground colors do not have a sufficient contrast ratio. medium effort
Presets and pages
| Preset / page | Speed | SEO | A11y | Speed | SEO | A11y | Tested |
|---|---|---|---|---|---|---|---|
| mobile | desktop | ||||||
| Slab - Neo-Brutalist Astro SaaS Theme default demo ↗ | 98 | 100 | 93 | 100 | 100 | 93 | 2026-09-12 |
| home ↗ | 98 | 100 | 93 | 100 | 100 | 93 | 2026-09-12 |
Show this score on your site
A live badge: it always shows Slab's current score and links back here. Paste this where the theme is sold or documented.
<a href="https://themestested.com/theme/astro/slab-neo-brutalist-astro-saas-theme"><img src="https://themestested.com/badge/astro/slab-neo-brutalist-astro-saas-theme.svg" alt="Slab speed score on Themestested" height="20"></a>
Add ?device=d for the desktop score, or ?metric=seo / ?metric=a11y for SEO or accessibility.