wojciechborowicz

This plugin will let you add Google Ads conversion codes given by Google. 
This includes adding scripts in the head section of your website, to display them on specific pages, checkout or contact form (contact form 7)

Conversion Helper

This plugin will let you add Google Ads conversion codes given by Google.

BenniSpi

This Plugin “Dynamic Page Content” was created to build WordPress Pages with dynamic content that is generated by URL parameters. It’s main purpose is to create Google AdWords Ads with landingpages containing parameters in this form: yourwebsite.com/some-directory/?prmtr=VALUE. You can use this shortcode [DynamicPageContent] to output VALUE from the anywhere you want on a WordPress page. With this method you can create a very high number of Google AdWords Ads with automatically created and very compelling content for a very high conversion rate.
Major features in Dynamic Page Content include:
<ul>
<li>Creates a Shortcode that you can use on any page in your WordPress installation</li>
<li>Replaces the “Shortcode” with the value from the URL Parameter called “prmtr”</li>
</ul>

Dynamic Page Content

Dynamic Page Content creates a shortcode that you can use to get the value of URL parameters and use them to create dynamic page content

Conversion Helper vs Dynamic Page Content