I am currently tracking 404 page URL that triggers the "page not found" page. I also checked the "Pages Not Found" report to see the list of all the URL's. Now when I drill down each URL to see its referrer, I find a huge number being shown as "No Referrer". Any idea why?
Also is there any way I can track the internal pages from where the 404 page URL has been originated? For example:
abc.com has a link xyz.com, which on clicked gives a 404 page.
Is it possible to capture abc.com separately so that on drilling down xyz.com, I can see the source (abc.com). !
It is very possible that redirects could be at play. The redirects could either be from the 404 page itself, or a redirect taking them to a bad URL.
To troubleshoot this, you could create a segment where "visits contain page not found", then take a look at just a regular pages report. While those pages aren't 404's, they might provide an indicator to contributors to 404 pages.