Astro + TailwindCSS + shadcn/ui
Astro + TailwindCSS + shadcn/ui is a Astro theme by n-tong009 (Free). Tested on 2026-09-13 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 98 for mobile speed and 100 for desktop speed, 100/100 for SEO and 93/93 for accessibility (mobile/desktop, 0–100). Note: its demo home page is light — 111 KB in 8 requests — where a stocked storefront is usually 1–4 MB, so the speed score flatters it.
Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 98 | 100 |
| SEO | 100 | 100 |
| Accessibility | 93 | 93 |
| Best practices | 96 | 96 |
Single preset · measured 2 times since 2026-09-13 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Astro + TailwindCSS + shadcn/ui Template home page
Mobile
Speed 98 · 2 points to gain
- −1 Largest Contentful Paint medium effort
- −0.6 First Contentful Paint medium effort
- −0.5 Speed Index medium effort
- 751 ms Avoid multiple page redirects low effort
- 150 ms Reduce unused JavaScript high effort
Accessibility 93 · 7 points to gain
- −5.1 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −2.2 Document does not have a main landmark. medium effort
Best practices 96 · 4 points to gain
- −3.8 Browser errors were logged to the console medium effort
Desktop
Accessibility 93 · 7 points to gain
- −5.1 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −2.2 Document does not have a main landmark. medium effort
Best practices 96 · 4 points to gain
- −3.8 Browser errors were logged to the console medium effort
Presets and pages
| Preset / page | Speed | SEO | A11y | Speed | SEO | A11y | Tested |
|---|---|---|---|---|---|---|---|
| mobile | desktop | ||||||
| Astro + TailwindCSS + shadcn/ui Template default demo ↗ | 98 | 100 | 93 | 100 | 100 | 93 | 2026-09-13 |
| home ↗ | 98 | 100 | 93 | 100 | 100 | 93 | 2026-09-13 |
Show this score on your site
A live badge: it always shows Astro + TailwindCSS + shadcn/ui's current score and links back here. Paste this where the theme is sold or documented.
<a href="https://themestested.com/theme/astro/astro-tailwindcss-shadcnui-template"><img src="https://themestested.com/badge/astro/astro-tailwindcss-shadcnui-template.svg" alt="Astro + TailwindCSS + shadcn/ui speed score on Themestested" height="20"></a>
Add ?device=d for the desktop score, or ?metric=seo / ?metric=a11y for SEO or accessibility.