Errata
Errata is a Framer theme by Adam Kansky ($79). Tested on 2026-10-20 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 82 for mobile speed and 99 for desktop speed, 100/100 for SEO and 100/100 for accessibility (mobile/desktop, 0–100).
Mobile82

Desktop99

Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 82 | 99 |
| SEO | 100 | 100 |
| Accessibility | 100 | 100 |
| Best practices | 100 | 100 |
Single preset · measured 4 times since 2026-09-20 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Errata home page
Mobile
Speed 82 · 18 points to gain
- −16.3 Largest Contentful Paint medium effort
- −1.5 First Contentful Paint medium effort
- 1.1 s Reduce unused JavaScript high effort
Desktop
Speed 99 · 1 points to gain
- −1.3 Largest Contentful Paint medium effort
- 200 ms Reduce unused JavaScript high effort
Presets and pages
| Preset / page | Speed | SEO | A11y | Speed | SEO | A11y | Tested |
|---|---|---|---|---|---|---|---|
| mobile | desktop | ||||||
| Errata default demo ↗ | 82 | 100 | 100 | 99 | 100 | 100 | 2026-10-20 |
| home ↗ | 82 | 100 | 100 | 99 | 100 | 100 | 2026-10-20 |