Thank you page is not displayed on embedded website

Thank your for your information, I have add contact form in my blog learnAtool:Blog on automotive blog. But whenever I click on the send option , it don't show anything, how can I fix this. Please help. Thank you in advanced!!!

Greetings and thank you for your message.

Can you please try to submit your form from the direct link? Can you see Thank you page then? If not, please update your thank you page. You can click here for additional information.

If you are able to see Thank you page when you use a direct link, please share with us the link to your website where the form is embedded. Would you mind if we take a test submission directly on your form?

Thank you for your cooperation.