Twenty Nineteen
Twenty Nineteen is a WordPress theme by WordPress.org (Free). Tested on 2026-11-08 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 97 for mobile speed and 100 for desktop speed, 54/54 for SEO and 90/90 for accessibility (mobile/desktop, 0–100). On its marketplace it is rated 3.7 out of 5 from 63 reviews. Note: its demo home page is light — 95 KB in 8 requests — where a stocked storefront is usually 1–4 MB, so the speed score flatters it.
Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 97 | 100 |
| SEO | 54 | 54 |
| Accessibility | 90 | 90 |
| Best practices | 100 | 100 |
Single preset · measured 18 times since 2026-09-12 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Twenty Nineteen home page
Mobile
Speed 97 · 3 points to gain
- −3.3 Largest Contentful Paint medium effort
SEO 54 · 46 points to gain
- −36.6 Page is blocked from indexing low effort
- −9.1 Document does not have a meta description low effort
Accessibility 90 · 10 points to gain
- −4.9 Form elements do not have associated labels medium effort
- −4.9 Select elements do not have associated label elements. medium effort
Desktop
SEO 54 · 46 points to gain
- −36.6 Page is blocked from indexing low effort
- −9.1 Document does not have a meta description low effort
Accessibility 90 · 10 points to gain
- −4.9 Form elements do not have associated labels medium effort
- −4.9 Select elements do not have associated label elements. medium effort
Presets and pages
| Preset / page | Speed | SEO | A11y | Speed | SEO | A11y | Tested |
|---|---|---|---|---|---|---|---|
| mobile | desktop | ||||||
| Twenty Nineteen default demo ↗ | 97 | 54 | 90 | 100 | 54 | 90 | 2026-11-08 |
| home ↗ | 97 | 54 | 90 | 100 | 54 | 90 | 2026-11-08 |
Show this score on your site
A live badge: it always shows Twenty Nineteen's current score and links back here. Paste this where the theme is sold or documented.
<a href="https://themestested.com/theme/wordpress/twentynineteen"><img src="https://themestested.com/badge/wordpress/twentynineteen.svg" alt="Twenty Nineteen speed score on Themestested" height="20"></a>
Add ?device=d for the desktop score, or ?metric=seo / ?metric=a11y for SEO or accessibility.