Brightlight Astro + Sanity CMS
Brightlight Astro + Sanity CMS is a Astro theme by Lexington Themes (Paid). Tested on 2026-10-13 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 95 for mobile speed and 69 for desktop speed, 66/66 for SEO and 94/95 for accessibility (mobile/desktop, 0–100).
Mobile95
Desktop69
Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 95 | 69 |
| SEO | 66 | 66 |
| Accessibility | 94 | 95 |
| Best practices | 100 | 100 |
Single preset · measured 4 times since 2026-09-12 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Brightlight Astro + Sanity CMS home page
Mobile
Speed 95 · 5 points to gain
- −3.3 Total Blocking Time medium effort
- −1 Largest Contentful Paint medium effort
- −0.7 First Contentful Paint medium effort
- 150 ms Minify JavaScript low effort
SEO 66 · 34 points to gain
- −33.6 Page is blocked from indexing low effort
Accessibility 94 · 6 points to gain
- −5.7 Background and foreground colors do not have a sufficient contrast ratio. medium effort
Desktop
Speed 69 · 31 points to gain
- −30 Total Blocking Time medium effort
- −0.8 Speed Index medium effort
SEO 66 · 34 points to gain
- −33.6 Page is blocked from indexing low effort
Accessibility 95 · 5 points to gain
- −4.5 Background and foreground colors do not have a sufficient contrast ratio. medium effort
Presets and pages
| Preset / page | Speed | SEO | A11y | Speed | SEO | A11y | Tested |
|---|---|---|---|---|---|---|---|
| mobile | desktop | ||||||
| Brightlight Astro + Sanity CMS default demo ↗ | 95 | 66 | 94 | 69 | 66 | 95 | 2026-10-13 |
| home ↗ | 95 | 66 | 94 | 69 | 66 | 95 | 2026-10-13 |
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<a href="https://themestested.com/theme/astro/brightlight-astro-sanity-cms"><img src="https://themestested.com/badge/astro/brightlight-astro-sanity-cms.svg" alt="Brightlight Astro + Sanity CMS speed score on Themestested" height="20"></a>
Add ?device=d for the desktop score, or ?metric=seo / ?metric=a11y for SEO or accessibility.