There are many online Indexer you can use to get backlinks. If you are new to SEO, and you have a new website or blog. I will recommend the following cheap indexing services for you.
There plans are very cheap and most of them offers free indexing services too, if only you can sign up with them.
Just click on the link to get started.
For More Games and Tutorials
They are all very legit services and have a lot of positive reviews.