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As of 2026-09-14, 978 Astro themes have been tested with Google Lighthouse on their own demo stores; 808 (83%) score 90 or better for desktop speed. The highest is 8-BitQuest by AstroCraftThemes at 100, then A Quiet Publication by Liyuk at 100, and Agency10 by Alpesh Nakrani at 100.

Astro themes ranked by desktop speed

Fastest themes on mobile
Each row shows six scores — speed, SEO and accessibility, measured on mobile, then the same three on desktop. 90good 50needs work 30poor –not measured Hover any score for what it measures. Bands are Lighthouse's own: 90+, 50–89, under 50.
Presets MobileDesktop

Questions people ask

What is the fastest Astro theme in 2026?

On 2026-09-14, the highest desktop speed score among the 978 Astro themes we have tested is 8-BitQuest by AstroCraftThemes at 100 out of 100, measured with Google Lighthouse on its demo store. Rankings change as themes are re-tested, so the live table above is the current answer.

How are Astro themes tested?

Each theme's own demo store is run through Google's PageSpeed Insights API (Lighthouse) on mobile and desktop, for the home page and, where the platform has them, a collection page and a product page. A theme's headline score is the median of its presets; a preset's is the mean of its pages. Every run is kept, so scores have a history and are re-measured continuously.

What is a good Lighthouse score for a Astro theme?

Google's bands are 90–100 good, 50–89 needs improvement, 0–49 poor. The median desktop speed score across tested Astro themes is 99, and 808 of 978 (83%) reach 90 or better. Mobile scores run well below desktop for the same theme because Lighthouse simulates a mid-range phone on a slow connection.

What is the fastest free Astro theme?

Among free Astro themes we have tested, 8-BitQuest by AstroCraftThemes has the highest desktop speed score at 100. The full list is at /astro/free.