A forma mais fácil de se conseguir links externos também conhecido por link building, é através de diretÍrios de sites ou blogs.
Abaixo uma lista de mais de 350 diretórios de blogs todos com um pagerank bastante alto, então, mãos ao trabalho!
www.2rss.com
www.crayon.net
www.feed-directory.com
www.feeds4all.com
www.feedage.com
www.feedsfarm.com
www.newsgator.com
www.feedboy.com
www.feedboy.com
www.postami.com
www.reader.rocketinfo.com
www.search4rss.com
www.syndic8.com
www.help.yahoo.com
www.rss-network.com
www.rss-network.com
www.myfeedz.com
www.feedage.com
www.daytimenews.com
www.spotplex.com
www.mobispine.com
www.genwi.com
www.weblogs.about.com
www.feed-directory.com
www.feeds4all.com
www.feedage.com
www.feedsfarm.com
www.findingblog.com
www.findory.com
www.fybersearch.com
www.chordata.info
www.feedboy.com
www.plazoo.com
www.readablog.com
www.redtram.com
www.reader.rocketinfo.com
www.search4rss.com
www.syndic8.com
www.wilsdomain.com
www.feedbase.net
www.rss-network.com
www.blogannounce.info
www.newgie.com
www.goldenfeed.com
www.feedmailer.net
www.happyfish.info/software
www.unclefeed.com
www.nfeeds.com
www.octora.com
www.feedshot.com
www.feeds2read.net
www.feedminer.com
www.blogscholar.com
www.theblogresource.com
www.jordomedia.com
www.feedbomb.com
www.feedcat.net
www.feedmap.net
www.dir.nooked.com
www.news-feeds.org
www.rss-locator.com
www.newzalert.com
www.home.myst-technology.com
www.downes.ca
www.w.moreover.com
www.search4rss.com
www.news-feeds.org
www.newsxs.com
www.dailynews.yahoo.com
www.newsonfeeds.com
www.feeds2read.net
www.dir.nooked.com/home.dir
www.blogchild.com
www.freefeedsdirectory.com
www.blogs.botw.org
www.blogcode.com
www.blogarama.com
www.blogbunch.com
www.blogdigger.com
www.blogflux.com
www.bloghop.com
www.bloghub.com
www.blogcatalog.com
www.blogintro.com
www.csthota.com
www.bloglisting.com
www.blogpulse.com
www.blog-search.com
www.blogflux.com
www.bloguniverse.com
www.bloogz.com
www.boingboing.net
www.contentsmatter.com
www.daypop.com
www.portal.eatonweb.com
www.findingblog.com
www.findory.com
www.fybersearch.com
www.geekphilosopher.com
www.globeofblogs.com
www.gobignetwork.com
www.iblogbusiness.com
www.icerocket.com
www.industry-blogs.com
www.lsblogs.com
www.portal.eatonweb.com
www.rateitall.com
www.readablog.com
www.redtram.com
www.blogsforsmallbusiness.com
www.smallbusiness.com
www.synblog.com
www.strategicboard.co
www.tailrank.com
www.technorati.com
www.topix.net
www.truthlaidbear.com
www.wilsdomain.com
www.blogsitezone.com
www.strategicboard.com
www.jenett.org
www.macstansbury.blogspot.com
www.peopleconnection.
www.blogs.botw.org
www.macstansbury.blogspot.com
www.peopleconnection.aol.com
www.blogs.botw.org
www.biggerblogger.com
www.blogcatalog.com
www.blog-directory-submit.com
www.dir.blogflux.com
www.blogdirs.com
www.ratingz.net
www.blog4girls.info/?p=99
www.blogsearchengine.com
www.blogtoplist.com
www.bloguniverse.com
www.blogadr.com
www.blogarama.com
www.blogcharts.net
www.myrss.com
www.blogchild.com
www.bloggernity.com
www.bloghop.com
www.webloogle.com
www.blogoriffic.com
www.blogroll.net
www.blogs-collection.com/submit
www.blogscholar.com
www.blogstreet.com
www.blogsweet.com
www.blogwidow.com
www.bloogz.com
www.blurtit.com
www.britblog.com
www.browseblogs.com
www.iblogbusiness.com
www.diarist.net
www.findingblog.com
www.frontblogs.com
www.getblogs.com
www.guardian.com.
www.highclassblogs.com
www.albacentral.com
www.ilikeblogs.com
www.i2blog.com
www.industry-blogs.com
www.kmax.ws/bloglinks.htm
www.kookkoo.com
www.angelfire.com
www.royalartistclub.com
www.sportsblogs.org
www.quickblogdirectory.com
www.weblog.start4all.com
www.5starblogs.com
www.thevital.net
www.today.com
www.top100bloggers.com
www.wutzle.com
www.hornybollywood.com
www.blog-search.com
www.blogs.botw.org
www.2rss.com
www.blogs.botw.org
www.blogpulse.com
www.all-blogs.net
www.blogcatalog.com
www.blogflux.com
www.blogdigger.com
www.bloggernity.com
www.bloghop.com
www.bloglisting.com
www.chanduthota.com
www.topsites.blogflux.com
www.bloogz.com
www.contentsmatter.com
www.crayon.net
www.daypop.com
www.diarist.net
www.portal.eatonweb.com
www.geekphilosopher.com
www.gobignetwork.com
www.globeofblogs.com
www.gobignetwork.com
www.iblogbusiness.com
www.icerocket.com
www.esperanto.se
www.lsblogs.com
www.postami.com
www.blogsforsmallbusiness.com
www.smallbusiness.com
www.tailrank.com/login
www.technorati.com
www.photarium.com
www.truthlaidbear.com
www.blogsitezone.com
www.blogtoplist.com
www.moqvo.com
www.rankingblogs.com
www.iblogbusiness.com
www.gnoos.com.
www.bloglines.com
www.blogmopolis.com
www.blogcode.com
www.resource.oflaherty.dk
www.blogmighty.com
www.industry-blogs.com
www.blogadvance.com
www.blog-directory-submit.com
www.blogazoo.com
www.blogbib.com
www.blogbunch.com
www.5starblogs.com
www.blogsweet.com
www.findingblog.com
www.blogoriffic.com
www.blogsbywomen.org
www.peopleconnection.aol.com
www.biggerblogger.com
www.blogannounce.info
www.pipsblog.com
www.blogdirs.com
www.blogpoint.com
www.blog-watch.com
www.blogadr.com
www.blogcharts.net
www.blogchild.com
www.blogdust.com
www.biggerblogger.com
www.blogstreet.com
www.blogstreet.com
www.browseblogs.com
www.iblogbusiness.com
www.highclassblogs.com
www.kookkoo.com
www.rootblog.com
www.blogs.tomstopsites.com
www.exploreblogs.com
www.blogfuse.com
www.blogsforsmallbusiness.com
www.news.yahoo.com
www.theweblogreview.com
www.guardian.co.uk
www.webwinx.com
www.weblogalot.com
www.theblogresource.com
www.newsisfree.com
www.newsisfree.com
www.globeofblogs.com
www.blogshowoff.com
www.blogtagstic.com
www.blogscanada.ca
www.findory.com
www.bloginspace.com
www.blogdex.net
www.blo.gs
www.findingblog.com
www.blogannounce.info
www.blog-directory-submit.com
www.blogion.com
www.bigblogmedia.com
www.blogdirs.com
www.blogsrating.com
www.browseblogs.com
www.delightfulblogs.com
www.start4all.com
www.wutzle.com
www.wilsdomain.com
www.portal.eatonweb.com
www.lutheranblogs.blogspot.com
www.chefsblogs.com/directory
www.latestdirectory.com/Blogs
www.misohoni.com/bba
www.izigo.nl
www.yourwebloghere.com
www.blogupper.com
www.blogoozle.com
www.webwinx.com/links/blogmasters
www.whatsreallyreal.com
www.totalblogdirectory.com
www.superblogdirectory.com
www.blog5000.com
www.blogspassage.com
www.blognblogs.com
www.bloggerhq.net
www.addurlblog.com
www.blogsbycity.com
www.linkarchive.org/Blogs
www.blogz.bz
www.directory.easywordpress.com
www.bloggingabroad.com
www.chattous.com/blogs
www.bloghijinks.com
www.mvblogs.com
www.ajdee.com/pages/Blogs/index.html
www.creative-blogs.com
www.blogfolders.com
www.bloggerhq.net
www.quacktrack.com
www.surrealblog.com
www.2-review.com
www.topblogarea.com
www.getblogs.com
www.idk.in
www.blogdumps.com
www.bloggapedia.com
www.blogdup.com
www.bloggernow.com
www.bloggerteam.com/directory.php
www.blogmatcher.com/u.php
www.shas3.com
www.blogsbycity.com
www.all-blogs.net/submit.php
www.blogbib.com/submit.php
www.bulletize.com
www.blogannounce.info
www.blogsrating.com
www.blogtagstic.com
www.delightfulblogs.com
www.bulletize.com
www.blogannounce.info
www.all-blogs.net
www.webwinx.com/links
www.theblogresource.com
www.insaneblog.com/submit.php