It’s important to keep up with what dimensions are supported by each platform (Facebook, Instagram, Twitter, Pinterest, YouTube as well as blogging sites).
The need for a strong social media presence will only increase in 2020, which is why you need to be constantly learning & adapting to the demands of social media. The ideal image sizes for social media vary between each platform. This infographic from Grafdom showcases the different dimensions required by each social media giant.
For more details check this: https://www.grafdom.com/newsroom/social-media-image-sizes/
Facebook recommends 180 px x 180 px for profile photos, 815 px x 315 px for cover photos
Ideal feed image size for Instagram is 1080 px x 1080 px, profile photos should be 110 px x 110 px
Featured Images for blog posts should make use of the 600 px x 900 px recommended size
Find the complete guide to stay up to date with social media image sizes by visiting Grafdom.com