Keystone
Keystone is a Framer theme by Thaer Swailem (Free). Tested on 2026-09-13 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 64 for mobile speed and 82 for desktop speed, 100/100 for SEO and 96/96 for accessibility (mobile/desktop, 0–100).
Mobile64
Desktop82
Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 64 | 82 |
| SEO | 100 | 100 |
| Accessibility | 96 | 96 |
| 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 — Keystone home page
Mobile
Speed 64 · 36 points to gain
- −25 Largest Contentful Paint medium effort
- −9.1 Speed Index medium effort
- −2.2 First Contentful Paint medium effort
- 300 ms Reduce unused JavaScript high effort
Accessibility 96 · 4 points to gain
- −1.9 Heading elements are not in a sequentially-descending order medium effort
- −1.9 Document does not have a main landmark. medium effort
Desktop
Speed 82 · 18 points to gain
- −12.8 Largest Contentful Paint medium effort
- −5.1 Speed Index medium effort
Accessibility 96 · 4 points to gain
- −1.9 Heading elements are not in a sequentially-descending order medium effort
- −1.9 Document does not have a main landmark. medium effort
Presets and pages
| Preset / page | Speed | SEO | A11y | Speed | SEO | A11y | Tested |
|---|---|---|---|---|---|---|---|
| mobile | desktop | ||||||
| Keystone default demo ↗ | 64 | 100 | 96 | 82 | 100 | 96 | 2026-09-13 |
| home ↗ | 64 | 100 | 96 | 82 | 100 | 96 | 2026-09-13 |
Show this score on your site
A live badge: it always shows Keystone's current score and links back here. Paste this where the theme is sold or documented.
<a href="https://themestested.com/theme/framer/keystone"><img src="https://themestested.com/badge/framer/keystone.svg" alt="Keystone speed score on Themestested" height="20"></a>
Add ?device=d for the desktop score, or ?metric=seo / ?metric=a11y for SEO or accessibility.