Dasein
Dasein is a Astro theme by Rodrigo Cortez (Free). Tested on 2026-09-12 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 99 for mobile speed and – for desktop speed, 92/– for SEO and 96/– for accessibility (mobile/desktop, 0–100).
Mobile99
Desktop
Screenshot pending
Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 99 | – |
| SEO | 92 | – |
| Accessibility | 96 | – |
| Best practices | 96 | – |
Single preset · measured 1 times since 2026-09-12 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Dasein home page
Mobile
SEO 92 · 8 points to gain
- −8.3 Document does not have a meta description low effort
Accessibility 96 · 4 points to gain
- −3.9 Background and foreground colors do not have a sufficient contrast ratio. medium effort
Best practices 96 · 4 points to gain
- −3.8 Browser errors were logged to the console medium effort
Desktop
Not extracted yet for this page.
Presets and pages
| Preset / page | Speed | SEO | A11y | Speed | SEO | A11y | Tested |
|---|---|---|---|---|---|---|---|
| mobile | desktop | ||||||
| Dasein default demo ↗ | 99 | 92 | 96 | – | – | – | 2026-09-12 |
| home ↗ | 99 | 92 | 96 | – | – | – | 2026-09-12 |
Show this score on your site
A live badge: it always shows Dasein's current score and links back here. Paste this where the theme is sold or documented.
<a href="https://themestested.com/theme/astro/dasein"><img src="https://themestested.com/badge/astro/dasein.svg" alt="Dasein speed score on Themestested" height="20"></a>
Add ?device=d for the desktop score, or ?metric=seo / ?metric=a11y for SEO or accessibility.