Performance & Speed WordPress Slow? How to Fix & Speed Up Your Site in 6 Steps (4s→0.8s, 2026) { "@context": "https://schema.org", "@type": "Article", "headline": "WordPress Slow? 2026 Proven 6-Step Guide to Slash Load Time by 80% (4s → 0.8s)", "datePublished": "2026-03-02", ... 02/03204CommentsCore Web Vitals documentation wordpress