There are a lot of products in the market that provides you the location data of your visitor. One of them is the ipwhois.io that not only provides you the geolocation information but also the timezone, currency information, and then some.
Rank Math plugin is a high-end WordPress SEO optimization software designed and developed by the folks at MyThemeShop. Rank Math makes it easy for anyone to optimize their WordPress content with built-in suggestions based on widely-accepted best practices. You can easily customize all of your important SEO settings. You can also set how you want your websites to appear in search with Structured data using Rank Math.
Serverless architecture does not mean that there are no servers. Servers are definitely involved but you do not have to deal with them. NorthStack Serverless Architecture offers an incredible development experience which you definitely need to explore.