How to add a domain name availability checker

I saw a domain availability checker tool on Neil Patel′s site.
https://neilpatel.com/the-step-by-step-guide-to-creating-a-money-making-blog-in-1-hour/

I want to add a domain checker to following post.


https://www.woblogger.com/how-to-start-a-blog/

Is there a way to insert a domain availability checker WordPress posts?

I tried with Ajax Domain Checker and It didn’t work properly with Genesis theme.

Please guide.
Nilantha.

• This topic was modified 8 years, 2 months ago by Nilantha Jayawardhana. Reason: add details
• This topic was modified 8 years, 2 months ago by Jan Dembowski.