Many Shopify stores would like to have different messaging for different times of the days. The most common scenario is a message for the customer to call the store when the store is open and to email when the store is closed. Here are the instructions on how to do that in Shopify with Liquid and JS.
ShopperApproved collects store and product ratings from your customers. They have documentation on how to get the service working on your website but do not have the specific details for implementing in Shopify stores. So here I've got the details for that.
SSL (Secure Sockets Layer) is a web standard that secures your site by encrypting communications between the server and customers. Google prefers sites that are secured through SSL. You can tell when a site is secure as the URL will start with https:// (the S is the key indicator) and browsers give visual queues like this.