There are a bunch of 'fork-n-go' github jekyl sample applications that wrap a webpage with a Google Spreadsheet datasource.
Here is a sample (from a github employee) that I've used in the past. Source: https://github.com/jlord/hack-spots and live site: jlord.us/hack-spots/#info - not sure how they are caching the spreadsheet, but I've never seen it not perform (not sure about concurrent users or whatever though).
Here is a sample (from a github employee) that I've used in the past. Source: https://github.com/jlord/hack-spots and live site: jlord.us/hack-spots/#info - not sure how they are caching the spreadsheet, but I've never seen it not perform (not sure about concurrent users or whatever though).