The Wayback Machine is a digital archive of the World Wide Web founded by the Internet Archive a non-profit organization based in San Francisco California. It allows users to go back in time and see what websites looked like in the past. However, the Wayback Machine is not without its flaws.
One of the biggest problems with the Wayback Machine is that it only archives pages that have been specifically requested by users. This means that there are many pages on the internet that are not archived. Another issue is that the Wayback Machine can be unreliable as it relies on web crawlers to archive pages. These crawlers can sometimes miss pages or archive them incorrectly.
Fortunately, there are some alternatives to the Wayback Machine. The Internet Archive also operates the Archive-It service which allows institutions and individuals to build their own digital archives. There is also the Perma. cc service which allows users to create permanent links to articles and other web content.