Fluid Basics
Fluid Basics is a WordPress theme by Superb (Free). Tested on 2026-09-13 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 71 for mobile speed and 93 for desktop speed, 45/45 for SEO and 87/83 for accessibility (mobile/desktop, 0–100). On its marketplace it is rated 5.0 out of 5 from 2 reviews.
Mobile71
Desktop93
Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 71 | 93 |
| SEO | 45 | 45 |
| Accessibility | 87 | 83 |
| Best practices | 100 | 100 |
Single preset · measured 2 times since 2026-09-13 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Fluid Basics home page
Mobile
Speed 71 · 29 points to gain
- −25 Largest Contentful Paint medium effort
- −3.6 First Contentful Paint medium effort
SEO 45 · 55 points to gain
- −36.6 Page is blocked from indexing low effort
- −9.1 Document does not have a meta description low effort
- −9.1 Image elements do not have `[alt]` attributes low effort
Accessibility 87 · 13 points to gain
- −7.6 Image elements do not have `[alt]` attributes low effort
- −5.3 Background and foreground colors do not have a sufficient contrast ratio. medium effort
Desktop
Speed 93 · 7 points to gain
- −6.5 Largest Contentful Paint medium effort
SEO 45 · 55 points to gain
- −36.6 Page is blocked from indexing low effort
- −9.1 Document does not have a meta description low effort
- −9.1 Image elements do not have `[alt]` attributes low effort
Accessibility 83 · 17 points to gain
- −9.8 Image elements do not have `[alt]` attributes low effort
- −6.9 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 | ||||||
| Fluid Basics default demo ↗ | 71 | 45 | 87 | 93 | 45 | 83 | 2026-09-13 |
| home ↗ | 71 | 45 | 87 | 93 | 45 | 83 | 2026-09-13 |
Show this score on your site
A live badge: it always shows Fluid Basics's current score and links back here. Paste this where the theme is sold or documented.
<a href="https://themestested.com/theme/wordpress/fluid-basics"><img src="https://themestested.com/badge/wordpress/fluid-basics.svg" alt="Fluid Basics speed score on Themestested" height="20"></a>
Add ?device=d for the desktop score, or ?metric=seo / ?metric=a11y for SEO or accessibility.