ULTIMATE SEO OPTIMIZATION & WEBSITE BACKLINK CREATORS & PINGERS:

Ping your websites with all these pingers that are free to use:

http://www.backlinkgenerator.net/ping/#
http://www.backlinkgenerator.net/ping/#
http://www.real-backlinks.com/?lang=en
http://tools.seounity.com/Backlink-Builder/
http://sitowebinfo.com/back/
http://www.sitevaluefox.com/
http://www.pingmyurl.com/
http://www.pingmylink.com/

Thank me later :)