Tsubaki (椿)
Listed as "Tsubaki (椿) — Japanese Editorial Blog Theme for Astro"
Tsubaki (椿) is a Astro theme by Oberon Lai (Paid). Tested on 2026-09-12 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 57 for mobile speed and 77 for desktop speed, 100/100 for SEO and 91/91 for accessibility (mobile/desktop, 0–100).
Mobile57
Desktop77
Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 57 | 77 |
| SEO | 100 | 100 |
| Accessibility | 91 | 91 |
| 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 — Tsubaki (椿) — Japanese Editorial Blog Theme for Astro home page
Mobile
Speed 57 · 43 points to gain
- −25 Largest Contentful Paint medium effort
- −9.5 First Contentful Paint medium effort
- −8 Speed Index medium effort
- 750 ms Reduce unused CSS high effort
Accessibility 91 · 9 points to gain
- −4.4 `[aria-hidden="true"]` elements contain focusable descendents medium effort
- −4.4 Background and foreground colors do not have a sufficient contrast ratio. medium effort
Desktop
Speed 77 · 23 points to gain
- −15.3 Largest Contentful Paint medium effort
- −4.6 Speed Index medium effort
- −2.7 First Contentful Paint medium effort
- 160 ms Reduce unused CSS high effort
Accessibility 91 · 9 points to gain
- −4.7 `[aria-hidden="true"]` elements contain focusable descendents medium effort
- −4.7 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 | ||||||
| Tsubaki (椿) — Japanese Editorial Blog Theme for Astro default demo ↗ | 57 | 100 | 91 | 77 | 100 | 91 | 2026-09-12 |
| home ↗ | 57 | 100 | 91 | 77 | 100 | 91 | 2026-09-12 |
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<a href="https://themestested.com/theme/astro/tsubaki-japanese-editorial-blog-theme-for-astro"><img src="https://themestested.com/badge/astro/tsubaki-japanese-editorial-blog-theme-for-astro.svg" alt="Tsubaki (椿) speed score on Themestested" height="20"></a>
Add ?device=d for the desktop score, or ?metric=seo / ?metric=a11y for SEO or accessibility.