The '404' error pages contains a link to ... another 404 page :)

[pcanal]

If you enter a bad link (intentionally or not :) ) like https://root.cern/badlink/, you get a nice page explaining the page was not found and then offers to go to the "get started section" but this is a bad link itself https://root.cern/get_started

[couet]

This is due to this change: root-project/web@e36dbff in which @martamaja10 replace the get_started page by learn. The 404 page was changed accordingly but some unknown reason the old version with get_started is still used on the online build. When building the web-site locally the right page (with "learn") is shown. An extra commit was done afterwards root-project/web@7f8f484 to force the build of the new 404.md version but it did not help.

[ferdymercury]

Duplicate of root-project/web#1027