Website Custom Audience is another powerful tool use in Facebook Advertising.
This tool let’s you to re-target your website or landing page visitor.
Meaning you can use it to run another Ad especially for them.
On Ads manager click Audiences
On the upper right corner click Create Audience (the green button)
Select Custom Audience
Then choose Website traffic
Click on “People Who Visit Specific web pages”
It will look like this
Place your website or landing page URL
And named your audience so you will know what campaign it is
Click Create Audience
You will see this and just click OK
Now click the check box before the name of your audience
Then click action and choose View Pixel
Copy the Pixel code and paste it on your website or blog or landing page
And click Ok
And there you have your custom audience using WCA
You should have atleast 20 visitors to use it.
Hope this helps.