You see, if you would like your social media presence to look professional, and your content stands out in these busy social feeds, you need to align with the right image dimension requirements for each platform so that your images don't look fuzzy in-stream.
Which can be extremely difficult to do when platforms keep updating posting requirements without notice, then they go ahead and add all-new elements to factor in.
To assist with this, there is an ever-updated social image sizing post at Hootsuite that also includes downloadable data notes for your tracking.
Hootsuite has a series of visual overviews that we have collated into a single infographic for easy reference below.
Worth bookmarking Hootsuite's post for your planning.