Halwell
Halwell is a Astro theme by Alder Themes (Paid). Tested on 2026-11-08 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 100 for mobile speed and 100 for desktop speed, 100/100 for SEO and 100/100 for accessibility (mobile/desktop, 0–100). Note: its demo home page is light — 388 KB in 7 requests — where a stocked storefront is usually 1–4 MB, so the speed score flatters it.
Mobile100

Desktop100

Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 100 | 100 |
| SEO | 100 | 100 |
| Accessibility | 100 | 100 |
| Best practices | 100 | 100 |
Single preset · measured 6 times since 2026-11-08 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Halwell home page
Mobile
Every score is 100.
Desktop
Speed 100 · 0 points to gain
- −0.5 Largest Contentful Paint medium effort
Presets and pages
| Preset / page | Speed | SEO | A11y | Speed | SEO | A11y | Tested |
|---|---|---|---|---|---|---|---|
| mobile | desktop | ||||||
| Halwell default demo ↗ | 100 | 100 | 100 | 100 | 100 | 100 | 2026-11-08 |
| home ↗ | 100 | 100 | 100 | 100 | 100 | 100 | 2026-11-08 |