Fix errors in our wordpress woocommerce website

Fix the following issues on the following website https://www.ashleymoorefurniture.com/

1/ we used to have our instagram feed displayed at the bottom of our homepage and one day it just stopped working
we would like to find a fix for this and have this our Instagram feed working again

2/check and make sure our website is displaying correctly on different screen sizes if any issues found please fix these

3/we are having wp-cron issues wp-cron has been disabled at the moment but we want to fix this issue so we can turn on wp-cron back on and it works correctly

4/please check our website for any other issues and fix them accordingly