These sites have a lot of JavaScript inside. Try to install NoScript ( https://addons.mozilla.org/en-US/firefox/addon/722 ) and measure the CPU usage again. Both sites works well for me with and without JavaScript execution allowed.
I had this bug previosly but not now. Update your system. What is your graphics card? Have you installed some particular driver? (Excuse the array of orders and questions! XD) Joel wrote: > i can confirm this bug on kubuntu 8.04. > some websites causes firefox (either 2.0 or 3 beta) and xorg to use massive > amount of CPU. > (firefox CPU usage may go beyond 90% on these sites, and my box is Pentium D > 3.2Ghz with 2 GB RAM). > > examples for these sites: > > www.ynet.co.il > > http://www.keshet-tv.com/nehederet/ > > -- Firefox causes massive Xorg CPU usage https://bugs.launchpad.net/bugs/38131 You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs