Aastronaut
Aastronaut is a Webflow theme by All our templates ($79). Tested on 2026-10-24 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 84 for mobile speed and 99 for desktop speed, 91/91 for SEO and 80/80 for accessibility (mobile/desktop, 0–100).
Mobile84

Desktop99

Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 84 | 99 |
| SEO | 91 | 91 |
| Accessibility | 80 | 80 |
| Best practices | 100 | 100 |
Single preset · measured 6 times since 2026-10-09 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Aastronaut home page
Mobile
Speed 84 · 16 points to gain
- −8.8 Largest Contentful Paint medium effort
- −6.3 First Contentful Paint medium effort
- −1.1 Speed Index medium effort
SEO 91 · 9 points to gain
- −9.1 Document does not have a meta description low effort
Accessibility 80 · 20 points to gain
- −5.4 Input buttons do not have discernible text. medium effort
- −3.8 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −3.8 `<html>` element does not have a `[lang]` attribute low effort
- −3.8 Links do not have a discernible name medium effort
- −1.6 Heading elements are not in a sequentially-descending order medium effort
- −1.6 Document does not have a main landmark. medium effort
Desktop
Speed 99 · 1 points to gain
- −0.5 Largest Contentful Paint medium effort
SEO 91 · 9 points to gain
- −9.1 Document does not have a meta description low effort
Accessibility 80 · 20 points to gain
- −5.4 Input buttons do not have discernible text. medium effort
- −3.8 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −3.8 `<html>` element does not have a `[lang]` attribute low effort
- −3.8 Links do not have a discernible name medium effort
- −1.6 Heading elements are not in a sequentially-descending order medium effort
- −1.6 Document does not have a main landmark. medium effort
Presets and pages
| Preset / page | Speed | SEO | A11y | Speed | SEO | A11y | Tested |
|---|---|---|---|---|---|---|---|
| mobile | desktop | ||||||
| Aastronaut default demo ↗ | 84 | 91 | 80 | 99 | 91 | 80 | 2026-10-24 |
| home ↗ | 84 | 91 | 80 | 99 | 91 | 80 | 2026-10-24 |