TLDR Tech / Marketing
The 1 second that decides if your video goes viral
Most captions are added as an afterthought and miss what holds attention. The first subtitle should appear at second 0 and stay under 6 words. Key phrases should be enlarged 1.5 to 2X for emphasis. Background contrast like a semi-transparent bar or drop shadow improves readability. Platform auto-captions should be turned off to avoid duplicate text. Subtitles should sit within the middle 60% of the frame to avoid TikTok, Instagram, and LinkedIn UI overlays.
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