Pavers or stone are textured & not slippery, come in a variety of sizes & colors. As far as landscaping we would need to know your zone. Something vertical on the walls flanking the entry. Looks like the grass needs some attention also. I'd paint the front door in another color, would have to see whole house to make a suggestion & remove the circular thing hanging on it.

stones like new york blue

Get a large outdoor mat from Chilewich until you do your makeover.