WordPress SEO Plugin Performance Study: Clarity SEO vs Yoast vs Rank Math vs AIOSEO (2026 Data)
Last updated: February 2026 We tested the four most popular WordPress SEO plugins to answer one question: how much does your SEO plugin actually slow down your site? Using real data from WordPress.org and performance benchmarks, here are the results. The Test: Plugin Size Comparison We downloaded each plugin directly from WordPress.org and measured the […]