Used Book Store (Cozy)
Used Book Store (Cozy) is a Wix theme by Wix (Free). Tested on 2026-10-16 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 54 for mobile speed and 70 for desktop speed, 54/54 for SEO and 96/96 for accessibility (mobile/desktop, 0–100). Note: its demo home page is heavy — 22 MB — heavier than a typical store, so the speed score may understate the theme.
Mobile54
Desktop70
Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 54 | 70 |
| SEO | 54 | 54 |
| Accessibility | 96 | 96 |
| Best practices | 100 | 100 |
Single preset · measured 4 times since 2026-10-16 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Used Book Store (Cozy) home page
Mobile
Speed 54 · 46 points to gain
- −25 Largest Contentful Paint medium effort
- −9.9 Total Blocking Time medium effort
- −5.6 First Contentful Paint medium effort
- −5.4 Speed Index medium effort
- 910 ms Reduce unused JavaScript high effort
SEO 54 · 46 points to gain
- −31 Page is blocked from indexing low effort
- −7.7 Document does not have a meta description low effort
- −7.7 Links do not have descriptive text low effort
Accessibility 96 · 4 points to gain
- −3.5 Links do not have a discernible name medium effort
Desktop
Speed 70 · 30 points to gain
- −24.5 Largest Contentful Paint medium effort
- −2.7 Total Blocking Time medium effort
- −2.5 Speed Index medium effort
SEO 54 · 46 points to gain
- −31 Page is blocked from indexing low effort
- −7.7 Document does not have a meta description low effort
- −7.7 Links do not have descriptive text low effort
Accessibility 96 · 4 points to gain
- −3.6 Links do not have a discernible name medium effort
Presets and pages
| Preset / page | Speed | SEO | A11y | Speed | SEO | A11y | Tested |
|---|---|---|---|---|---|---|---|
| mobile | desktop | ||||||
| Used Book Store (Cozy) default demo ↗ | 54 | 54 | 96 | 70 | 54 | 96 | 2026-10-16 |
| home ↗ | 54 | 54 | 96 | 70 | 54 | 96 | 2026-10-16 |
Show this score on your site
A live badge: it always shows Used Book Store (Cozy)'s current score and links back here. Paste this where the theme is sold or documented.
<a href="https://themestested.com/theme/wix/4802-used-book-store-cozy"><img src="https://themestested.com/badge/wix/4802-used-book-store-cozy.svg" alt="Used Book Store (Cozy) speed score on Themestested" height="20"></a>
Add ?device=d for the desktop score, or ?metric=seo / ?metric=a11y for SEO or accessibility.