Developer's DescriptionBy lazarrAdd a Web site mirror utility for you Firefox.Spiderzilla is an easy-to-use Web site mirror utility, based on Httrack from www.httrack.com. SpiderZilla is intended to be Firefox extension for offline browsing. Basically, it is only a front-end for the opensource command line program HTTrack Website Copier. This version is the first release on CNET Download.com.