Google provides an API for Google Talk which helps you to show your online status on your website. This is cool option for freelancers and for who are are running a website which needs client support.
This services is offered by Google itself through a service called Googletalkback badge. With this if anyone visits your website he can chat with you as a Guest if you are online at the same time. The one who visits your website doesn’t need to login. Since it is a web based communication there is no need to download any software to use this, just everything goes in browser.
Let us see how to enable Google talk back badge step by
Go to Google Talkbackbadge
Copy the code below and paste it in your Website.
If you are using WordPress, Go to Widgets- Text - Paste the code.
It will come as shown in the below figure