Prismo
Prismo is a Framer theme by Praha (Free). Tested on 2026-09-14 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 61 for mobile speed and 71 for desktop speed, 100/100 for SEO and 91/91 for accessibility (mobile/desktop, 0–100). Note: its demo home page is heavy — 8.2 MB — heavier than a typical store, so the speed score may understate the theme.
Mobile61
Desktop71
Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 61 | 71 |
| SEO | 100 | 100 |
| Accessibility | 91 | 91 |
| Best practices | 92 | 92 |
Single preset · measured 2 times since 2026-09-14 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Prismo home page
Mobile
Speed 61 · 39 points to gain
- −25 Largest Contentful Paint medium effort
- −9.9 Speed Index medium effort
- −3.8 First Contentful Paint medium effort
- 460 ms Reduce unused JavaScript high effort
Accessibility 91 · 9 points to gain
- −3.6 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −3.6 Links do not have a discernible name medium effort
- −1.6 Heading elements are not in a sequentially-descending order medium effort
Best practices 92 · 8 points to gain
- −3.8 Displays images with incorrect aspect ratio low effort
- −3.8 Browser errors were logged to the console medium effort
Desktop
Speed 71 · 29 points to gain
- −20.8 Largest Contentful Paint medium effort
- −7.8 Speed Index medium effort
Accessibility 91 · 9 points to gain
- −3.6 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −3.6 Links do not have a discernible name medium effort
- −1.6 Heading elements are not in a sequentially-descending order medium effort
Best practices 92 · 8 points to gain
- −3.8 Displays images with incorrect aspect ratio low effort
- −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 | ||||||
| Prismo default demo ↗ | 61 | 100 | 91 | 71 | 100 | 91 | 2026-09-14 |
| home ↗ | 61 | 100 | 91 | 71 | 100 | 91 | 2026-09-14 |
Show this score on your site
A live badge: it always shows Prismo's current score and links back here. Paste this where the theme is sold or documented.
<a href="https://themestested.com/theme/framer/prismo"><img src="https://themestested.com/badge/framer/prismo.svg" alt="Prismo speed score on Themestested" height="20"></a>
Add ?device=d for the desktop score, or ?metric=seo / ?metric=a11y for SEO or accessibility.