WebcoreUI - Astro Component Library
WebcoreUI - Astro Component Library is a Astro theme by Frontendland (Free). Tested on 2026-09-13 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 84 for mobile speed and 96 for desktop speed, 100/100 for SEO and 90/95 for accessibility (mobile/desktop, 0–100).
Mobile84
Desktop96
Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 84 | 96 |
| SEO | 100 | 100 |
| Accessibility | 90 | 95 |
| Best practices | 100 | 100 |
Single preset · measured 2 times since 2026-09-13 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — WebcoreUI - Astro Component Library home page
Mobile
Speed 84 · 16 points to gain
- −13.8 Largest Contentful Paint medium effort
- −1.9 First Contentful Paint medium effort
- 600 ms Reduce unused JavaScript high effort
Accessibility 90 · 10 points to gain
- −5 Buttons do not have an accessible name medium effort
- −5 Form elements do not have associated labels medium effort
Desktop
Speed 96 · 4 points to gain
- −2.5 Cumulative Layout Shift medium effort
- −1.5 Total Blocking Time medium effort
Accessibility 95 · 5 points to gain
- −5 Form elements do not have associated labels medium effort
Presets and pages
| Preset / page | Speed | SEO | A11y | Speed | SEO | A11y | Tested |
|---|---|---|---|---|---|---|---|
| mobile | desktop | ||||||
| WebcoreUI - Astro Component Library default demo ↗ | 84 | 100 | 90 | 96 | 100 | 95 | 2026-09-13 |
| home ↗ | 84 | 100 | 90 | 96 | 100 | 95 | 2026-09-13 |
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