How to check penalized or banned websites ?

When we search the name of website without www or extension like .com or any other then if website appears in search then its not penalized nor banned and if we don't find it then it may be penalized or banned.

I think it is really important to know if your site has been penalized by Google. Here are few indications you might look for:

- a sudden or steady drop in rank;
- check webmaster tools for a manual penalty;
- stay current regarding the Google updates.

If we search the website from its name without www. or extension like .com and it appears in search then we can say it not penalized nor banned and if it doest not appear in search result then it may be penalized or banned.

Many Way for check out our website banned and penalized in search engine or not,

Check Google Analytic for Traffic Data:
If one day, your traffic seems normal, and the next day there's a sharp drop-off (or possibly no traffic at all), that's a pretty good indicator of a possible penalty.

Check Whether Your Site is Still Indexed:
Go to Google and type in site:yourdomain.com

Check for a Recent Google Algorithm Update:

Check Google Webmaster Tools: Error, index pages and Search Queries and check Webmaster message