Vellums
Vellums is a Framer theme by ismail @PrimeUI (Free). Tested on 2026-11-04 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 99 for mobile speed and 100 for desktop speed, 100/100 for SEO and 87/91 for accessibility (mobile/desktop, 0–100).
Mobile99

Desktop100

Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 99 | 100 |
| SEO | 100 | 100 |
| Accessibility | 87 | 91 |
| Best practices | 100 | 100 |
Single preset · measured 2 times since 2026-11-04 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Vellums home page
Mobile
Accessibility 87 · 13 points to gain
- −5.3 `[aria-*]` attributes do not match their roles medium effort
- −3.7 `[aria-hidden="true"]` elements contain focusable descendents medium effort
- −3.7 Background and foreground colors do not have a sufficient contrast ratio. medium effort
Desktop
Speed 100 · 0 points to gain
- −0.5 Speed Index medium effort
Accessibility 91 · 9 points to gain
- −5.3 `[aria-*]` attributes do not match their roles medium effort
- −3.7 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 | ||||||
| Vellums default demo ↗ | 99 | 100 | 87 | 100 | 100 | 91 | 2026-11-04 |
| home ↗ | 99 | 100 | 87 | 100 | 100 | 91 | 2026-11-04 |