Link building has many procedures.You either do directory submissions or forum/article postings to get the link for your signature,you try social book marking or link exchanges.With the last update for PR and backlinks that Google made in February it has made it clear that any link pages containing the term "link" or any alpha numeric characters such as 1.html in their url will not be crawled or cached.So for analysts,web-masters who are looking to have their backlinks increased through reciprocal links better don't upload your page/pages as links.html solely for the reason Google will not crawl it.
Rather something like partner or resource will be better.

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i have hear about the "links" word for over 3 years but not heard about the #1,2,3...
thanks, i think i need to change a couple of my urls with the #'s.

Great share marketraise.

I am also busy with the following ways building links for SEO and for direct traffic:
Directory Submissions
Blog and Forum participation
Social Bookmarking
Press Releases
Classified Ads
Article Marketing
Link Exchange

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