SEO starts with one core plugin and ends with a stack — this section covers both layers. The meta-and-analysis suite is a three-way between Rank Math SEO (feature-maximal), Yoast SEO Premium (the incumbent ecosystem), and SEOPress Pro (the value pick) — with AIOSEO Pro, The SEO Framework, and Squirrly SEO Premium offering distinct takes. Around the core sit the specialized tools: site search that converts (SearchWP, Relevanssi Premium), internal linking (Link Whisper), broken-link monitoring (Broken Link Checker Pro), and affiliate link management (Pretty Links). Running two meta plugins simultaneously is the classic mistake — pick one, then add specialists.