Core Blog
Core Blog is a WordPress theme by blogwp (Free). Tested on 2026-09-13 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 92 for mobile speed and 99 for desktop speed, 45/45 for SEO and 92/93 for accessibility (mobile/desktop, 0–100).
Mobile92
Desktop99
Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 92 | 99 |
| SEO | 45 | 45 |
| Accessibility | 92 | 93 |
| Best practices | 100 | 100 |
Single preset · measured 2 times since 2026-09-13 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Core Blog home page
Mobile
Speed 92 · 8 points to gain
- −4 Largest Contentful Paint medium effort
- −3.6 First Contentful Paint medium effort
- 150 ms Minify CSS low effort
- 150 ms Minify JavaScript low effort
- 150 ms Reduce unused CSS high 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
- −6.4 Buttons do not have an accessible name medium effort
- −1.9 Document does not have a main landmark. medium effort
Desktop
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
- −5.6 Buttons do not have an accessible name medium effort
- −1.7 Document does not have a main landmark. medium effort
Presets and pages
| Preset / page | Speed | SEO | A11y | Speed | SEO | A11y | Tested |
|---|---|---|---|---|---|---|---|
| mobile | desktop | ||||||
| Core Blog default demo ↗ | 92 | 45 | 92 | 99 | 45 | 93 | 2026-09-13 |
| home ↗ | 92 | 45 | 92 | 99 | 45 | 93 | 2026-09-13 |
Show this score on your site
A live badge: it always shows Core Blog's current score and links back here. Paste this where the theme is sold or documented.
<a href="https://themestested.com/theme/wordpress/core-blog"><img src="https://themestested.com/badge/wordpress/core-blog.svg" alt="Core Blog speed score on Themestested" height="20"></a>
Add ?device=d for the desktop score, or ?metric=seo / ?metric=a11y for SEO or accessibility.