Siskin
Siskin is a Ghost theme by iristhemes ($99). Tested on 2026-11-07 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 60 for mobile speed and 90 for desktop speed, 61/61 for SEO and 84/88 for accessibility (mobile/desktop, 0–100).
Mobile60
Desktop90
Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 60 | 90 |
| SEO | 61 | 61 |
| Accessibility | 84 | 88 |
| Best practices | 96 | 96 |
Single preset · measured 8 times since 2026-11-07 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Siskin home page
Mobile
Speed 60 · 40 points to gain
- −25 Largest Contentful Paint medium effort
- −7.5 Speed Index medium effort
- −4.4 First Contentful Paint medium effort
- −3 Total Blocking Time medium effort
- 2.6 s Reduce unused JavaScript high effort
SEO 61 · 39 points to gain
- −31 Page is blocked from indexing low effort
- −7.7 Links are not crawlable medium effort
Accessibility 84 · 16 points to gain
- −5 Buttons do not have an accessible name medium effort
- −3.5 `button`, `link`, and `menuitem` elements do not have accessible names. medium effort
- −3.5 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −1.5 Heading elements are not in a sequentially-descending order medium effort
- −1.5 Document does not have a main landmark. medium effort
- −0.5 SVG elements with an `img` role do not have an accessible text alternative medium effort
Best practices 96 · 4 points to gain
- −3.8 Browser errors were logged to the console medium effort
Desktop
Speed 90 · 10 points to gain
- −7.3 Largest Contentful Paint medium effort
- −1.8 Total Blocking Time medium effort
- −0.8 Speed Index medium effort
- 340 ms Reduce unused JavaScript high effort
SEO 61 · 39 points to gain
- −31 Page is blocked from indexing low effort
- −7.7 Links are not crawlable medium effort
Accessibility 88 · 12 points to gain
- −5.2 Buttons do not have an accessible name medium effort
- −3.6 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −1.6 Heading elements are not in a sequentially-descending order medium effort
- −1.6 Document does not have a main landmark. medium effort
- −0.5 SVG elements with an `img` role do not have an accessible text alternative medium effort
Best practices 96 · 4 points to gain
- −3.8 Browser errors were logged to the console medium effort
Presets and pages
| Preset / page | Speed | SEO | A11y | Speed | SEO | A11y | Tested |
|---|---|---|---|---|---|---|---|
| mobile | desktop | ||||||
| Siskin default demo ↗ | 60 | 61 | 84 | 90 | 61 | 88 | 2026-11-07 |
| home ↗ | 60 | 61 | 84 | 90 | 61 | 88 | 2026-11-07 |
Show this score on your site
A live badge: it always shows Siskin's current score and links back here. Paste this where the theme is sold or documented.
<a href="https://themestested.com/theme/ghost/siskin"><img src="https://themestested.com/badge/ghost/siskin.svg" alt="Siskin speed score on Themestested" height="20"></a>
Add ?device=d for the desktop score, or ?metric=seo / ?metric=a11y for SEO or accessibility.