[Need Help] How can I know that my site sandbox or ban by google?

Hi,
I have a site with the contents for language exchange. I was in in 2nd page of google for language exchange. But for about a week I lost my SERP. I can't find my site in top 1000. Can anyone tell me the exact reason? Is my site got google ban or sandboxed? Is there any tool to checking google ban or google sandbox?

Please help me with effective advice.

 

Whoa there! It's only a week and you're getting Strung out!

First: search "site:yoursitename.com" in google...

If it shows up then you're still in the index. It's very unlikely you've been deindexed unless you've been doing some heavy BH.

Rankings bounce a lot as you build links, until they age a little.

Build deep links and start ranking other pages. Then move on to more sites... You can't spend all your time worrying about just one site.

 

just type your domain name (domain.com) in google seach.

if no pages appair, its sandboxed

 

If you don't see you website in the google...

 

If I get sandboxed then how can I get rid from it?
Or I have to develop another new site?

 

Please help me in this problem. Though my site's PR is 4 but I have lost my rank. Please let me know is there any method to get rid from sandbox or google ban?