Looking for backlinks is sometimes a drain on a webmaster's time, but it shouldn't have to be that way. Building high PR links to all my sites is now only a matter of 15 mins per day using this method. Here goes:

Step 1 - Find a website which has some comment spam on it.

Step 2 - Look at the websites being "promoted". If you've worried about on-niche backlinks, look for sites in your niche. Personally, I try any site.

Step 3 - Go to backlinkwatch.com and check the backlinks for one of these websites you've found. It lists all the links pointing to the spammers site, and tells you if its nofollow or dofollow.

Step 4 - Go through the DoFollow links, using an SEO plugin to check the page rank. Soon you will find a PR4 or PR5 which is DoFollow and non moderated. Leave your comment

Step 5 - Look at the commenting system, try to identify what makes it unique. Then, create a search operator and put it into google. I will give you an example:

"Add/Change #*" Comment "change properties"

Other identifiers are found in the url. To search for these, google inurl:

Some of the time, it won't work, but sometimes it does and you get a big list of other sites using the same commenting system.

Step 6 - Back to your PR5 DoFollow site you found earlier, do a site: search on the domain and you'll have a list of all the pages in thet domain. It might help to put "add a comment" or whatever the add comment text is into google too to isolate pages where you can comment. Use SEO for firefox to check the PR of each page, go through the results and pick out the best ones.

A word of advice, don't bother with PR1 and below. Waste of time imo

Most sites you put into BLW will be white hat, in which case all you'll see is article directories and organic links - not what we want. Keep putting different spammer sites into backlink watch, and you will find one which has been using blackhat tactics. Keep going, you will find a good site sooner rather than later. And one good site leads to others in a never-ending spam trail.

Nowadays, when i'm making a new site, I just turn to my reserve of spam megasites and get a set number of easy links per day. It's very time-efficient.

Criticism of this method:

About half of the "spam megasites" you find will have a high number of OBLs, for me the generally high PR makes up for it.