2) Page titles are cached and only updated randomly every 100 views of that URL. This means if you change a page title, or the structure of all your page titles, you won't see that change immediately in Clicky. But they will all eventually be updated. Please be patient!
3) Spy shows raw incoming data, before it's processed by the database. So in Spy, you will see up to date page titles and multiple page titles per URL.
Although #4 can be annoying, it has its benefits. Before we did this, the following problems were common:
b) For sites with non-English characters in their page titles, some older browsers would severely mangle the characters on their transport to our servers. These would then be reported as unique pages as well.
Because of these issues, many years ago we made it so unique pages are determined solely by their URL.