Step 1: Log in into Facebook as a Facebook Developer
Step 2: Create your first/new Facebook APP
Now, your APP is ready. Now This app is in Sandbox Mode(Only visible to Admins, Developers and Testers)
Step 3: Create content that will display within the App’s Tab. Upload your content to your server. Try to keep content width 520px to 810px. Note the following –
Step 4: Back to you APP and setup some basic information as like below image and save it. Also note the APP ID.
Step 5: Add Your Content/tab to Your Facebook Page
Generate your URL to add your content/Tab to Facebook page like below
http://www.facebook.com/dialog/pagetab?app_id=YOUR_APP_ID&next=YOUR_CONTENT_URL
You’ll need to replace the parts I’ve bolded in the URL above- “YOUR_APP_ID” and “YOUR_URL” with some information that Facebook provides for your app, your “App ID/API Key” and your “Content URL” Like –
http://www.facebook.com/dialog/pagetab?app_id=1447872218765833&next=https://dev.cybernetikz.com/blog/
Now, copy this URL and past it to Browser. You will find a page as like below image.
Choose your Facebook Page and click to ADD Page Tab.
Step 6: Visit your Facebook page. You will show a tab created on your Fan page as like below.
From here you can change/swap tab position