Hi. The "+" means that PhpDig is indexing a page. The "OK for" means that PhpDig found a new site. The process is basically index site to search depth, index next site to search depth, index next site to search depth, etcetera, and as you are letting PhpDig crawl across domains, each new site gets added to an array and then indexed when the time comes. As for handling data, you may find
this thread useful.