That's a link to some super cute robeez like shoes to sew. I made some for dd2, and they fit great, and were so cute. It was fun that I could match the outfit she was wearing, too! I hope to make some more for this baby. I'm eyeing my stash of scraps. I could probably come up with some pretty fun and funky combinations!
My kids still hardly wear shoes. It was in the upper 50s here yesterday and I caught dd (6) just in time as she was taking them off outside. Honestly, if it had been a dry day, I wouldn't have cared, but her feet (and socks!) were going to get muddy. My kids mostly wear their rainboots, and only if they have to.
I put shoes on my babies if it's really cold, or they are walking somewhere yucky. Other than that, they are probably closer to 2 before they are wearing shoes much. Dd3 is 16mo and still only occasionally wears them when we go out, and rarely keeps them on long.
I also think that bare knees, feet, and elbows help a baby learn to crawl easier. They seem to get frustrated and delayed when they are slipping and slidding around, or dealing with chunky accessories. I'm not into pushing babies to do stuff before they are ready, but mine have all had a desire to go, and I wanted it to be as easy for them as possible. (They were all scooting by 3-4 mo, crawling by 6mo, and walked at 10, 11, barely 9, and 9.5mo)