This information may be of assistance for web developers and those of you who enjoy research.
On occasion a web page will no longer be available as the company will have updated or gone out of business. In this case you would normally not have access to the information. However there is a web site that keeps track of previous history of web pages. As such you can often recover the lost information and see the original page, even when a search engine declares it defunct.
The archive organization is a virtual time machine allowing you to see the past history of web pages
Try the following.
www.archive.org
For web developers you will be able to see the chronological history of web pages that your company has completed. Also you will be able to individually view each of the pages as it was originally presented.
While they do not have everything, the site can often assist in pulling up web page data that otherwise may have been lost.