Its a website or a online tool that check the number of backlinks you are getting from then site where you have submitted your site.
Are you so fucking stupid that you have to ask us instead of using Google to get the answer? STOP FEEDING FUCKING TROLL fastrplies
Lol...like your reply fastreplies but genuinely this not the way to say someone like this. Right? And seoakram, you also take care for next time. We are here to share and solve our serious problems or that issues for which we are not getting satisfactory answer. So never do such things coz in your question only answer resides that what is back link checker? simple it anythings or tool who checks back links. Instead of this ask meaningful question that How its works?, From where I can have it?, It is beneficial to use it etc... Remember one thing "Silly Questions always have Silly Answers" Anyway don't take this seriously just take care next timw when you post any thread.
It tells you how many backlinks and where these backlinks come from. Your signature links will be displayed on a backlink checker.
okay i can suggest you yahoo site explore to check the back links and you can also check with google give like this : "link:domainnamedotcom"
It is use to analyse the backlinks which are get connected with our website and providing benefit like traffic and more.
Web Rank Toolbar for Firefox .It ia add-ons which tell your sites baclkinks, and other all Information.