After exporting screens from Sketch 3 to PNG, the text is blurred
Check out: This Website
and see the three screens. It's almost not possible to read the screens. Even if you resize them it's not clear. Do you have any ideas on that?
Your images are actually bigger than displayed in the website. This usually causes distortions. For best results resize the images in your graphic software and export them in the correct size.
The distortions are more visible due to the thin text in the images. In other types of images or with heavier font weights maybe this would be less perceptible.
Go to VIEW-CANVAS-SHOW PIXEL ON ZOOM (unticked it).