Blackhole
Listed as "Blackhole - Minimal Blog Template"
Blackhole is a Astro theme by Portfolios (Paid). Tested on 2026-09-12 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores – for mobile speed and 93 for desktop speed, –/83 for SEO and –/79 for accessibility (mobile/desktop, 0–100).
Mobile
Screenshot pending
Desktop93
Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | – | 93 |
| SEO | – | 83 |
| Accessibility | – | 79 |
| Best practices | – | 100 |
Single preset · measured 1 times since 2026-09-12 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Blackhole - Minimal Blog Template home page
Mobile
Not extracted yet for this page.
Desktop
Speed 93 · 7 points to gain
- −5.8 Largest Contentful Paint medium effort
- −0.8 First Contentful Paint medium effort
- −0.5 Speed Index medium effort
- 218 ms Avoid multiple page redirects low effort
SEO 83 · 17 points to gain
- −8.3 Document does not have a meta description low effort
- −8.3 robots.txt is not valid outside the theme
Accessibility 79 · 21 points to gain
- −8.9 Buttons do not have an accessible name medium effort
- −6.3 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −6.3 Links do not have a discernible name medium effort
Presets and pages
| Preset / page | Speed | SEO | A11y | Speed | SEO | A11y | Tested |
|---|---|---|---|---|---|---|---|
| mobile | desktop | ||||||
| Blackhole - Minimal Blog Template default demo ↗ | – | – | – | 93 | 83 | 79 | 2026-09-12 |
| home ↗ | – | – | – | 93 | 83 | 79 | 2026-09-12 |
Show this score on your site
A live badge: it always shows Blackhole's current score and links back here. Paste this where the theme is sold or documented.
<a href="https://themestested.com/theme/astro/blackhole-minimal-blog-template"><img src="https://themestested.com/badge/astro/blackhole-minimal-blog-template.svg" alt="Blackhole speed score on Themestested" height="20"></a>
Add ?device=d for the desktop score, or ?metric=seo / ?metric=a11y for SEO or accessibility.