Insert Headers and Footers is a simple plugin that lets you insert code like Google Analytics, custom CSS, Facebook Pixel, and more to your WordPress site header and footer. No need to edit your theme files!
So go ahead and install this plugin now. Upon activation, you need to visit Settings » Insert Headers and Footers page. You will see three boxes, one for the header, second one for body and the other one for the footer section.
Insert Headers and Footers will automatically apply the code to all the pages of your website.
In order to do that, You need to first install a Plugin called Code Embed and then activate it.
Now scroll down and you will see the ‘Custom Fields’ metabox where you need to click on the ‘Enter new’ link.
The custom field name and value fields will now appear.
Don’t forget to click on the ‘Add Custom Field’ button to save your custom field.
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