- 2008-Sep-04: Firefox blocks access to certain ports by default, how to turn this off is here further information about this is here. 
- 2008-Apr-16: Some thoughts on web page design along with pointers to some interesting examples. 
To see the environment information that your browser sends
to each web site you visit take a look at this site. There is
some more information on how this can be potentially abused here. 
A guide to FireFox
Some notes on forcing
pages to reload, including tricking the server into thinking a
query is being done by appending a "?1" to the end of the URL (so the
browser does not end up using a cached version of the page when the
user follows the link).
- Mozilla 1.2 based browsers (such as FireFox) are capable of
doing link prefetching (if the web page calls for it), here is how
to set this up. Discussed here
on Slashdot when Google started to support this.