: For most RRSS platforms like Instagram Reels, TikTok, or YouTube Shorts, use a 9:16 vertical ratio (1080x1920). For standard posts, a 4:5 ratio often yields better engagement than 16:9 landscape.
: Explicitly tell viewers what to do next—visit a link, comment, or share—usually at the end of the video.
: Since many users watch with sound off, always include baked-in captions or use auto-captioning tools like CapCut or Adobe Express .