Either you can observe if things are changing depending upon the logged in user (e.g. every user sees different feeds on her Facebook wall) OR You can use a tool like BuiltWith to find out what kind of server side technologies are being used and make an intelligent guess.
Checking the pages of your website that are indexed by Google is a good step towards ensuring that an online business is not alone and overlooked. A business online needs to be recognized by the important search engines and ranked high on the first page of a search engine result.
Hello, Here is the checklist for an ON page Websites 1- Check whether the content is unique or not. 2- Check Site speed. 3- Check meta title and description of every page on a website. 4- Check Sitemap. 5- Heading tag. 6 - Check Broken links.