Image information such as location and camera description can often be deleted to reduce image sizes. This type of information is called:
GZIP
raster
metadata
vector
Explanation:
Remove unnecessary image metadata: many raster images contain unnecessary metadata about the asset: geo information, camera information, and so on. Use appropriate tools to strip this data.
Read more here: https://support.google.com/partners/answer/7336428
https://www.youtube.com/watch?v=e1ILLnXanoU