Books Library
Books Library is a WordPress theme by WP Radiant (Free). Tested on 2026-09-13 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 60 for mobile speed and 98 for desktop speed, 45/45 for SEO and 93/92 for accessibility (mobile/desktop, 0–100).
Mobile60
Desktop98
Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 60 | 98 |
| SEO | 45 | 45 |
| Accessibility | 93 | 92 |
| Best practices | 96 | 100 |
Single preset · measured 2 times since 2026-09-13 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Books Library home page
Mobile
Speed 60 · 40 points to gain
- −22 Cumulative Layout Shift medium effort
- −11.5 Largest Contentful Paint medium effort
- −5.1 First Contentful Paint medium effort
- −1 Speed Index medium effort
- 450 ms Reduce unused CSS high effort
- 450 ms Reduce unused JavaScript high effort
- 150 ms Minify JavaScript low effort
SEO 45 · 55 points to gain
- −36.6 Page is blocked from indexing low effort
- −9.1 Document does not have a meta description low effort
- −9.1 Links are not crawlable medium effort
Accessibility 93 · 7 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
Best practices 96 · 4 points to gain
- −3.8 Serves images with low resolution low effort
Desktop
Speed 98 · 2 points to gain
- −1.5 Speed Index medium effort
SEO 45 · 55 points to gain
- −36.6 Page is blocked from indexing low effort
- −9.1 Document does not have a meta description low effort
- −9.1 Links are not crawlable medium effort
Accessibility 92 · 8 points to gain
- −3.8 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −3.8 Links do not have a discernible name medium effort
Presets and pages
| Preset / page | Speed | SEO | A11y | Speed | SEO | A11y | Tested |
|---|---|---|---|---|---|---|---|
| mobile | desktop | ||||||
| Books Library default demo ↗ | 60 | 45 | 93 | 98 | 45 | 92 | 2026-09-13 |
| home ↗ | 60 | 45 | 93 | 98 | 45 | 92 | 2026-09-13 |
Show this score on your site
A live badge: it always shows Books Library's current score and links back here. Paste this where the theme is sold or documented.
<a href="https://themestested.com/theme/wordpress/books-library"><img src="https://themestested.com/badge/wordpress/books-library.svg" alt="Books Library speed score on Themestested" height="20"></a>
Add ?device=d for the desktop score, or ?metric=seo / ?metric=a11y for SEO or accessibility.