| Metric | AddThis | Yoast SEO | Winner |
|---|---|---|---|
| Performance | 58 | 46 | AddThis |
| Accessibility | 85 | 88 | Yoast SEO |
| Best Practices | 85 | 87 | Yoast SEO |
| SEO | 89 | 90 | Yoast SEO |
| Security | 67 | 66 | AddThis |
| TTFB | 406ms | 397ms | Yoast SEO |
| Composite | 74 | 75 | Yoast SEO |
Yoast SEO outperforms AddThis in 5 of 7 categories, with a stronger composite score (75 vs 74). AddThis leads in performance, security.
Choose AddThis when your primary concern is performance and security. Its audit data shows consistent strength in these areas across the sampled sites.
Choose Yoast SEO when your primary concern is server response time and accessibility. Its audit data shows consistent strength in these areas across the sampled sites.
Scores are medians across 6 audited AddThis sites and 294 audited Yoast SEO sites in the BeaverCheck database. Every audit runs the same 100+ checks — Lighthouse performance, security headers, accessibility, SEO, server response time — against a real URL. No vendor input, no sponsorship, no affiliate links. Read the full methodology →
Small sample: one or both technologies have fewer than 10 audited sites. Treat these numbers as directional — medians stabilize around 20–30 audits per side.
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