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IndexKings is a "safe" site to use. What it does is ping your URL to sites like Alexa, WSRising.com amongst others, which then pings Google. It does generate a number of no-value backlinks and there's no documented harm (as far as i'm aware) by using these services sporadically. What you should be aware of is users that submit 2nd or 3rd tier backlinks in an attempt to get them indexed via these services. If you've got a legitimate website that you want indexed, the best way to do that would be via www.google.com/addurl.html Save yourself the hassle and risk

There are many ways of building links. The only limit is your creativity. I wrote an answer a couple of weeks back to a similar question, it might help... http://www.seomoz.org/q/first-links-for-a-new-site Glad you are finding SEOMoz useful - there's a great community here and staying ontop of things is easy because there are so many people doing their own testing and sharing results. By the way, don't do too many press releases. Try one every couple of months maximum. Matt