Twenty Twenty-One
Twenty Twenty-One is a WordPress theme by WordPress.org (Free). Tested on 2026-09-12 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 100 for mobile speed and 100 for desktop speed, 58/58 for SEO and 100/100 for accessibility (mobile/desktop, 0–100). On its marketplace it is rated 4.2 out of 5 from 44 reviews.
Mobile100
Desktop100
Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 100 | 100 |
| SEO | 58 | 58 |
| Accessibility | 100 | 100 |
| 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 — Twenty Twenty-One home page
Mobile
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
Desktop
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
Presets and pages
| Preset / page | Speed | SEO | A11y | Speed | SEO | A11y | Tested |
|---|---|---|---|---|---|---|---|
| mobile | desktop | ||||||
| Twenty Twenty-One default demo ↗ | 100 | 58 | 100 | 100 | 58 | 100 | 2026-09-12 |
| home ↗ | 100 | 58 | 100 | 100 | 58 | 100 | 2026-09-12 |
Show this score on your site
A live badge: it always shows Twenty Twenty-One's current score and links back here. Paste this where the theme is sold or documented.
<a href="https://themestested.com/theme/wordpress/twentytwentyone"><img src="https://themestested.com/badge/wordpress/twentytwentyone.svg" alt="Twenty Twenty-One speed score on Themestested" height="20"></a>
Add ?device=d for the desktop score, or ?metric=seo / ?metric=a11y for SEO or accessibility.