YouOS
YouOS is a Framer theme by John Nicholson ($129). Tested on 2026-10-05 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 37 for mobile speed and 49 for desktop speed, 69/69 for SEO and 87/87 for accessibility (mobile/desktop, 0–100). Note: its demo home page is heavy — 7.6 MB — heavier than a typical store, so the speed score may understate the theme.
Mobile37
Desktop49
Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 37 | 49 |
| SEO | 69 | 69 |
| Accessibility | 87 | 87 |
| Best practices | 92 | 92 |
Single preset · measured 2 times since 2026-10-05 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — YouOS home page
Mobile
Speed 37 · 63 points to gain
- −25 Largest Contentful Paint medium effort
- −20.1 Total Blocking Time medium effort
- −9.1 Speed Index medium effort
- −8.5 First Contentful Paint medium effort
- 450 ms Reduce unused JavaScript high effort
SEO 69 · 31 points to gain
- −31 Page is blocked from indexing low effort
Accessibility 87 · 13 points to gain
- −4.4 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −4.4 `<html>` element does not have a `[lang]` attribute low effort
- −4.4 Links do not have a discernible name medium effort
Best practices 92 · 8 points to gain
- −3.8 Browser errors were logged to the console medium effort
- −3.8 Issues were logged in the `Issues` panel in Chrome Devtools high effort
Desktop
Speed 49 · 51 points to gain
- −25.5 Total Blocking Time medium effort
- −18.8 Largest Contentful Paint medium effort
- −6.2 Speed Index medium effort
SEO 69 · 31 points to gain
- −31 Page is blocked from indexing low effort
Accessibility 87 · 13 points to gain
- −4.4 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −4.4 `<html>` element does not have a `[lang]` attribute low effort
- −4.4 Links do not have a discernible name medium effort
Best practices 92 · 8 points to gain
- −3.8 Browser errors were logged to the console medium effort
- −3.8 Issues were logged in the `Issues` panel in Chrome Devtools high effort
Presets and pages
| Preset / page | Speed | SEO | A11y | Speed | SEO | A11y | Tested |
|---|---|---|---|---|---|---|---|
| mobile | desktop | ||||||
| YouOS default demo ↗ | 37 | 69 | 87 | 49 | 69 | 87 | 2026-10-05 |
| home ↗ | 37 | 69 | 87 | 49 | 69 | 87 | 2026-10-05 |
Show this score on your site
A live badge: it always shows YouOS's current score and links back here. Paste this where the theme is sold or documented.
<a href="https://themestested.com/theme/framer/youos"><img src="https://themestested.com/badge/framer/youos.svg" alt="YouOS speed score on Themestested" height="20"></a>
Add ?device=d for the desktop score, or ?metric=seo / ?metric=a11y for SEO or accessibility.