If Safari is getting very slow:
(Presumably you regularly empty your Safari cache by deleting the following file:
and clear your History)
Adding Open DNS codes to your Network Preferences, should give good results in terms of speed-up as well as added security, (including anti-phishing and redirects) (Full information about Open DNS is here: http://www.opendns.com/home/nobloat ) and further independent information can be read here:
Open System Preferences/Network. Double click on your connection type, or select it in the drop-down menu, and in the box marked 'DNS Servers' add the following two numbers:
(You can also enter them if you click on Advanced and then DNS)
Sometimes reversing the order of the DNS numbers can be beneficial in cases where there is a long delay before web pages start to load, and then suddenly load at normal speed:
I don't have the one below, but I have lots of inteldatacache and a few others.
when Safari is open I click on Safari and go to Empty Cache or sometimes I reset Safari, sometimes that helps. Sometimes clicking on back and forward arrow helps too but not all the time.
At the moment this http://support.apple.com/kb/TS2296 is took sooo long to load that I stopped it. As did this site, but loaded after I did the aboves. OpenDNS site opened straight away. Woe is me.
Those DNS numbers are they relevent for Australia?