How Klaviyo Affects Your WordPress Speed
F
Estimated Speed Score
Measured Performance
Tested Feb 2026 · How we test
+0 ms
TTFB Impact
+0 MB
Memory Impact
+2
DB Queries
Plugin Overview
Performance Analysis
Performance Impact
Klaviyo receives an estimated speed score of F. Our real benchmark tests measured the following impact when activating this plugin:
- TTFB impact: +0 ms
- Memory impact: +0.0 MB
- Additional DB queries: +2
Overall activation impact: low. This plugin adds minimal overhead to your WordPress site.
Maintenance Status
Last updated: 2025-12-02. Requires PHP 7.0+. Trusted by 100K+ active installations.
Benchmark data measured in an isolated Docker environment (WordPress 6.8, PHP 8.3, GeneratePress). See our full methodology.
Alternatives to Klaviyo
| Plugin | Speed Score | Active Installs |
|---|---|---|
| WooCommerce | C+ | 7M+ |
| Ultimate Addons for Elementor | B- | 2M+ |
| Google for WooCommerce | D | 900K+ |
Frequently Asked Questions
Does Klaviyo slow down WordPress?
Klaviyo has an estimated speed score of F. It may noticeably affect your site speed. Consider alternatives if performance is critical.
Is Klaviyo still maintained?
Klaviyo was last updated on 2025-12-02. It has 100K+ active installations, indicating it is actively maintained and widely trusted.
What are the best alternatives to Klaviyo?
Check our plugin reviews in the E-Commerce category for alternatives. We compare plugins side-by-side on speed, features, and user ratings to help you find the best fit.
Get WordPress Performance Tips
Plugin reviews, speed optimization guides, and error debugging — straight to your inbox.
No spam. Unsubscribe anytime. We respect your privacy.