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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
Aastronaut home page on mobile
Desktop99
Aastronaut home page on desktop

Scores

MobileDesktop
Speed8499
SEO9191
Accessibility8080
Best practices100100

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 / pageSpeedSEOA11ySpeedSEOA11yTested
mobiledesktop
Aastronaut default demo ↗ 849180999180 2026-10-24
home ↗ 849180999180 2026-10-24

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Aastronaut: mobile speed 84 on Themestested
<a href="https://themestested.com/theme/webflow/aastronaut-saas-website-template"><img src="https://themestested.com/badge/webflow/aastronaut-saas-website-template.svg" alt="Aastronaut speed score on Themestested" height="20"></a>

Add ?device=d for the desktop score, or ?metric=seo / ?metric=a11y for SEO or accessibility.