How do I let Google know that the two domains are the same site?

[alexjorge]

How do I let Google know that the two domains are the same site?

 

[sanusense]

Have you heard about 301 redirect code, Use it by the way or you can manually use "CANONICAL" tags.

 

[alexjorge]

yes i heard about 301 redirect code. i will use it and even a try manually option also.thanks for post.

 

[mygatenow]

Have you heard about 301 redirect code, Use it by the way or you can manually use "CANONICAL" tags.

Have you used it yourself?