Featured Image is too small
Nobody wants to have blurry or pixelated images on your website. That's why Tilma's images uploader enforces minimum pixel dimensions so you don't accidentally upload an image that is too small. If you attempt to publish a page with an image that is too small, you will be shown the following error message:
Please remove and re-upload a different image that meets the minimum size requirements.
Minimum Image Size
Featured images and profile photos should be a minimum of 1200 pixels wide and 300 pixels tall.
All other images should be minimum 100 x 100 pixels.
Best Image Orientation
You can achieve the best resolution on your image by using a photo that is in Landscape orientation with an aspect ratio close to 16:9.