If you're looking to make a blog post better, here are some general tips that might be helpful:
ffmpeg -i archivefhdjuq752.mp4 \
-vf "hqdn3d=1.5:1.5:6:6,eq=brightness=0.02:saturation=1.1,unsharp=5:5:0.8" \
-c:v libx264 -crf 19 -preset medium \
-c:a aac -b:a 192k \
-movflags +faststart \
archivefhdjuq752_filtered.mp4
archivefhdjuq752_fixed.mp4).For true improvement, re-encode using a modern codec. If archivefhdjuq752mp4 uses H.264, convert to H.265 (HEVC) or AV1. archivefhdjuq752mp4 better
Could you clarify what you mean by "make content"? If you're looking to make a blog post
ffmpeg -i archivefhdjuq752mp4 -c copy -movflags +faststart archivefhdjuq752mp4_fixed.mp4