What is the best resolution for Instagram?

Related questions

1. Why do Instagram photos look blurry?
2. Why do pictures go blurry on Instagram?
3. Does Instagram reduce video quality?
4. What format is Instagram video?
5. What is IGTV aspect ratio?
6. Does IGTV have a time limit?
7. Can I download IGTV videos?
8. Can you upload 4k video to Instagram?
9. How long do videos last on IGTV?
10. What resolution should I use for Instagram?

Tags

1. #smaller
2. #square
3. #image
4. #resolution
5. #upload
6. #600px
7. #photos
8. #published
9. #dimensions
10. #400px
11. #instagram
12. #1080px
13. #566px
14. #landscape
15. #2048px
16. #recommended
17. #should
18. #possible
19. #allowed