Cartback
Cartback 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 41 for mobile speed and 60 for desktop speed, 69/69 for SEO and 90/90 for accessibility (mobile/desktop, 0–100). Note: its demo home page is heavy — 8 MB — heavier than a typical store, so the speed score may understate the theme.
Mobile41
Desktop60
Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 41 | 60 |
| SEO | 69 | 69 |
| Accessibility | 90 | 90 |
| 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 — Cartback home page
Mobile
Speed 41 · 59 points to gain
- −25.8 Total Blocking Time medium effort
- −24 Largest Contentful Paint medium effort
- −4.8 First Contentful Paint medium effort
- −4.5 Speed Index medium effort
- 450 ms Reduce unused JavaScript high effort
SEO 69 · 31 points to gain
- −31 Page is blocked from indexing low effort
Accessibility 90 · 10 points to gain
- −4.3 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −4.3 `<html>` element does not have a `[lang]` attribute low effort
- −1.9 Document does not have a main landmark. 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 60 · 40 points to gain
- −27.3 Total Blocking Time medium effort
- −10.5 Largest Contentful Paint medium effort
- −2.7 Speed Index medium effort
SEO 69 · 31 points to gain
- −31 Page is blocked from indexing low effort
Accessibility 90 · 10 points to gain
- −4.3 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −4.3 `<html>` element does not have a `[lang]` attribute low effort
- −1.9 Document does not have a main landmark. 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 | ||||||
| Cartback default demo ↗ | 41 | 69 | 90 | 60 | 69 | 90 | 2026-10-05 |
| home ↗ | 41 | 69 | 90 | 60 | 69 | 90 | 2026-10-05 |
Show this score on your site
A live badge: it always shows Cartback's current score and links back here. Paste this where the theme is sold or documented.
<a href="https://themestested.com/theme/framer/cartback"><img src="https://themestested.com/badge/framer/cartback.svg" alt="Cartback speed score on Themestested" height="20"></a>
Add ?device=d for the desktop score, or ?metric=seo / ?metric=a11y for SEO or accessibility.