Kubio
Kubio is a WordPress theme by Extend Themes (Free). Tested on 2026-11-07 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 98 for mobile speed and 99 for desktop speed, 42/42 for SEO and 93/93 for accessibility (mobile/desktop, 0–100). On its marketplace it is rated 4.3 out of 5 from 6 reviews.
Mobile98
Desktop99
Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 98 | 99 |
| SEO | 42 | 42 |
| Accessibility | 93 | 93 |
| 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 — Kubio home page
Mobile
Speed 98 · 2 points to gain
- −1.5 Largest Contentful Paint medium effort
- 300 ms Reduce unused CSS high effort
SEO 42 · 58 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 Links do not have descriptive text low effort
- −8.3 Links are not crawlable medium effort
Accessibility 93 · 7 points to gain
- −3.8 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −1.6 Heading elements are not in a sequentially-descending order medium effort
- −1.6 Document does not have a main landmark. medium effort
Desktop
Speed 99 · 1 points to gain
- −0.5 Speed Index medium effort
SEO 42 · 58 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 Links do not have descriptive text low effort
- −8.3 Links are not crawlable medium effort
Accessibility 93 · 7 points to gain
- −3.8 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −1.6 Heading elements are not in a sequentially-descending order medium effort
- −1.6 Document does not have a main landmark. medium effort
Presets and pages
| Preset / page | Speed | SEO | A11y | Speed | SEO | A11y | Tested |
|---|---|---|---|---|---|---|---|
| mobile | desktop | ||||||
| Kubio default demo ↗ | 98 | 42 | 93 | 99 | 42 | 93 | 2026-11-07 |
| home ↗ | 98 | 42 | 93 | 99 | 42 | 93 | 2026-11-07 |
Show this score on your site
A live badge: it always shows Kubio's current score and links back here. Paste this where the theme is sold or documented.
<a href="https://themestested.com/theme/wordpress/kubio"><img src="https://themestested.com/badge/wordpress/kubio.svg" alt="Kubio speed score on Themestested" height="20"></a>
Add ?device=d for the desktop score, or ?metric=seo / ?metric=a11y for SEO or accessibility.