WordPress.org
WordPress.org has 16 themes tested on Themestested, for WordPress. Their median Google Lighthouse mobile speed score is 96 (desktop 100), with 15 of 16 scoring 90 or better on mobile. The fastest on mobile is Twenty Twenty-One at 100. Last measured 2026-09-12, on each theme's own demo store.
| Theme | Platform | Price | Mobile · speed SEO a11y | Desktop · speed SEO a11y | Tested |
|---|---|---|---|---|---|
| Twenty Twenty-One | WordPress | Free | 10058100 | 10058100 | 2026-09-12 |
| Twenty Twenty-Three | WordPress | Free | 10050100 | 1005096 | 2026-09-12 |
| Twenty Nineteen | WordPress | Free | 975490 | 1005490 | 2026-09-12 |
| Twenty Twenty-Five | WordPress | Free | 975491 | 1005488 | 2026-09-12 |
| Twenty Eleven | WordPress | Free | 975480 | 1005480 | 2026-09-12 |
| Twenty Ten | WordPress | Free | 975483 | 1005483 | 2026-09-12 |
| Darken | WordPress | Free | 975490 | 1005489 | 2026-09-12 |
| Twenty Seventeen | WordPress | Free | 965896 | 995896 | 2026-09-12 |
| Twenty Twenty | WordPress | Free | 9650100 | 10050100 | 2026-09-12 |
| Twenty Fifteen | WordPress | Free | 965487 | 1005490 | 2026-09-12 |
| Twenty Fourteen | WordPress | Free | 965091 | 1005491 | 2026-09-12 |
| Twenty Twelve | WordPress | Free | 955491 | 995491 | 2026-09-12 |
| Twenty Thirteen | WordPress | Free | 955487 | 1005491 | 2026-09-12 |
| Twenty Sixteen | WordPress | Free | 935490 | 1005490 | 2026-09-12 |
| Twenty Twenty-Two | WordPress | Free | 9054100 | 1005496 | 2026-09-12 |
| Twenty Twenty-Four | WordPress | Free | 8554100 | 955496 | 2026-09-12 |
Sorted by mobile speed. Each theme's score is the median of its tested presets; open a theme for its pages, history and the audits behind the number.
Show your scores
Any of these themes can carry its live score on your own site. The badge is an image that always shows the current number, links back to the theme's page here, and updates as the theme is re-tested.
<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>
Swap the theme in the address for any of yours. Add ?device=d for the desktop score, or ?metric=seo / ?metric=a11y for SEO or accessibility.