Author - Astro & EmDash CMS
Author - Astro & EmDash CMS is a Astro theme by Lexington Themes (Paid). Tested on 2026-09-12 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 79 for mobile speed and 98 for desktop speed, 66/66 for SEO and 100/100 for accessibility (mobile/desktop, 0–100).
Mobile79
Desktop98
Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 79 | 98 |
| SEO | 66 | 66 |
| Accessibility | 100 | 100 |
| Best practices | 100 | 100 |
Single preset · measured 2 times since 2026-09-12 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Author - Astro & EmDash CMS home page
Mobile
Speed 79 · 21 points to gain
- −20 Largest Contentful Paint medium effort
- −0.7 First Contentful Paint medium effort
SEO 66 · 34 points to gain
- −33.6 Page is blocked from indexing low effort
Desktop
Speed 98 · 2 points to gain
- −1.7 Largest Contentful Paint medium effort
SEO 66 · 34 points to gain
- −33.6 Page is blocked from indexing low effort
Presets and pages
| Preset / page | Speed | SEO | A11y | Speed | SEO | A11y | Tested |
|---|---|---|---|---|---|---|---|
| mobile | desktop | ||||||
| Author - Astro & EmDash CMS default demo ↗ | 79 | 66 | 100 | 98 | 66 | 100 | 2026-09-12 |
| home ↗ | 79 | 66 | 100 | 98 | 66 | 100 | 2026-09-12 |
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<a href="https://themestested.com/theme/astro/author-astro-emdash-cms"><img src="https://themestested.com/badge/astro/author-astro-emdash-cms.svg" alt="Author - Astro & EmDash CMS speed score on Themestested" height="20"></a>
Add ?device=d for the desktop score, or ?metric=seo / ?metric=a11y for SEO or accessibility.