can you explain that it exact meaning, is this right explanation that spam directories who dealing with banned sites or who have backlinks or links with spam banned inappropriate site which are banned by more or one of search engine.
basically directories that auto approve or have porn, drugs, etc sites listed. and especially directories that are already banned in google.
There is a good post on here by kumar that tells you about backlinks. you should definitely check it out, i think its on the main page.
yaa, directory submission is good for SEO, its depend not a number? u must related (right category) submition is better!!!. Thanks!
Definitely, Directory submissions are very useful way to get back links. I do 30 directory submissions every day for my sites. I have 3000 web directory list. Check link below. http://freedirectorysubmissionlist.rediffblogs.com/
directories are good to get backlinks and better serps, but it doesnt help in getting good traffics mayebe a small amount of traffic