TL;DR: play.
512x384, 30 FPS, 4.8 MiB: play, download.
Compare with: AVC, lossless (may not play in browser), ffmpeg & libx265, 6.0 MiB: play or download.
1024x768, 30 FPS, 9.9 MiB: play, download.
Compare with: AVC, lossless (may not play in browser), ffmpeg & libx265, 14 MiB: play or download.