A solution could be displaying the credibility of the page. For example: age of URL, how many users have been using it, how reputable is the domain, and so on.

A solution could be displaying the credibility of the page. For example: age of URL, how many users have been using it, how reputable is the domain, and so on. Even if a bank changes their login URL, the old domain will point to it. The issue with this is that it requires a crawler that determines this. In a way, the existing safe browsing mechanisms already offer the infrastructure.