DatumArc
DatumArc is a Framer theme by Ajoy (Free). Tested on 2026-10-02 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 67 for mobile speed and 82 for desktop speed, 100/100 for SEO and 91/93 for accessibility (mobile/desktop, 0–100).
Mobile67

Desktop82

Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 67 | 82 |
| SEO | 100 | 100 |
| Accessibility | 91 | 93 |
| Best practices | 100 | 100 |
Single preset · measured 2 times since 2026-10-02 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — DatumArc home page
Mobile
Speed 67 · 33 points to gain
- −25 Largest Contentful Paint medium effort
- −4.1 First Contentful Paint medium effort
- −3.9 Speed Index medium effort
- 300 ms Reduce unused JavaScript high effort
Accessibility 91 · 9 points to gain
- −3.7 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −3.7 `<html>` element does not have a `[lang]` attribute low effort
- −1.6 Heading elements are not in a sequentially-descending order medium effort
Desktop
Speed 82 · 18 points to gain
- −16 Largest Contentful Paint medium effort
- −2.1 Speed Index medium effort
Accessibility 93 · 7 points to gain
- −3.7 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −3.7 `<html>` element does not have a `[lang]` attribute low effort
Presets and pages
| Preset / page | Speed | SEO | A11y | Speed | SEO | A11y | Tested |
|---|---|---|---|---|---|---|---|
| mobile | desktop | ||||||
| DatumArc default demo ↗ | 67 | 100 | 91 | 82 | 100 | 93 | 2026-10-02 |
| home ↗ | 67 | 100 | 91 | 82 | 100 | 93 | 2026-10-02 |