One of the common mistakes on the Internet is "404 / HTTP 404" message and experienced by a lot of users, and means that the queried web page no longer exist, and is the command that you want the Mozilla Foundation bypassed the browser Mozilla Firefox innovative way.
Site "Ghacks" pointed out that the Mozilla Foundation began tests on a new feature in their browser for the Web Mozilla Firefox that enables users to bypass the "404 / HTTP 404 error message," and enable the new feature of the Do not show this message to users and through to compensate private pages that offer Archive content requested by the user before deleting it, and by relying on the private organization Internet Archive mechanism "Wayback Machine", and in the absence of archival data on the relevant page, the browser will not offer any answer.
Mozilla Foundation's new project called "No more 404s" and the testing of more than 7,000 users waiting for the end of the test period and the addition integrating formally in the next versions of the Mozilla Firefox browser.
