My computer is absurdly old. I hand-selected the components and assembled it back in 2002. It was a marvel of processing power at the time, but you'd never know it now. As software has become more featureful, my computer has proven unable to keep up. Nowadays some websites cause Firefox …

For a long time I've loved having the Link Widgets extension for Firefox installed; it has very powerful navigational tools that look at the webpage content and determine what the "Next" and "Previous" pages are, relative to the current page. (As an example, if I'm viewing a comic from May …