If you come across a web page that’s offline or no longer available you can try these two ways to view a cached copy of the page.
Google webcache is built as the Google search engine spiders/robots crawl websites, it covers essentially any page Google search has indexed.
The URL below can be used to view a web page that’s been cached by Google webcache, simply replace the address after cache: with the address of the web page.
Way Back Machine
The wayback machine is a digital archive of the web. It contains an extraordinary number of websites, captured at various points in time. However it doesn’t cover as many websites as Google cache.