I use bookmarks and have folders there for quilting info. Once in a while I go through and weed out, but I have saved hundreds of patterns, tutorials etc.
Occasionally I have found after quite a long time that some are no longer available, especially if it is a free pattern. Therefore, if I can, I download the pdf file of the pattern and save that.
I am going to look into how I can move all this info to my external hard drive too. Don't ever want to lose it.