Best SEO keywords for ranking YouTube videos and shorts algorithm 2026

Ranking well today means optimizing for both the discovery feed and search simultaneously, with viewer satisfaction and semantic relevance mattering more than keyword density. Completion rate and the watched-vs-swiped ratio drive Shorts performance, while long-form content leans heavily on re-watch frequency and on-screen text recognition. Front-load your titles so the core keyword sits within the first 40 characters, since that's what's visible on mobile before truncation. Work long-tail phrasing naturally into descriptions, and lean on accurate captions since the system scans video frames and spoken word for context. For Shorts specifically, the first three seconds decide everything — loopable hooks and high-contrast visuals reduce swipe-away significantly. Staying consistent across formats (regular uploads, podcasts, community posts) builds the kind of channel authority that helps content surface in personalized recommendations over time.