Currently Being ModeratedFeb 13, 2013 3:10 PM (in response to Penelope589)
Safari works will for me in 10.4.11.
You could try TenFourFox.
tenfourfox -- It's a port of the latest FireFox to run on older hardware and software.
"World's most advanced web browser. Finely tuned for the Power PC."
alternative download site:
iCab - The Taxi for the Internet
What is my user agent?