: MP4 files can store internal subtitle tracks. Use a video editor to embed SRT or VTT files to make your content accessible to all viewers.
: Use tools like CloudConvert or FreeConvert to ensure the file size is balanced with high visual quality. 0h73tw2cnjm574g1o36qo_source.mp4
: Ensure the "moov atom" (metadata) is at the beginning of the file so it begins playing immediately without waiting for the full download. 2. Enhance Accessibility : MP4 files can store internal subtitle tracks