Tested Green Forms - Standalone Form Builder 1.56

Introducing the most powerful and fastest form builder on the market. With Green Forms, you can create multipurpose beautiful forms that go perfectly with your website design. You can customize pretty much everything from fonts, colors, shadows, and more, to conditional behavior, mathematical expressions and integrations with marketing systems, newsletters, and CRM. Each form can be easily embedded into any third party web page as a regular form or popup - all you need to do is just copy and paste a couple of JS / HTML snippets.

We also paid special attention to performance optimization. You can disable resources that are not required for the current project to prevent the plugin from loading unnecessary JS and CSS files (as others do). In addition, it has its own caching system to reduce the load on the server (the server does not need to create the form every time it is displayed). As a result, the plugin has little or no effect on Google PageSpeed Insights score.