Spinning icon doesn't go away

forgot to mention, using the latest version of plugin and wp. I did go back to 2.2 based on another thread, but still had the same problem there.

Reverted back to latest

You’re not using Contact Form 7’s form.

that is contact form 7’s form. its the only form generator i use.

<div class="wpcf7" id="wpcf7-f171-p117-o1"><form action="/centralusa/#wpcf7-f171-p117-o1" method="post" class="wpcf7-form">
<div style="display: none;">
<input type="hidden" name="_wpcf7" value="171">
<input type="hidden" name="_wpcf7_version" value="3.3.3">
<input type="hidden" name="_wpcf7_unit_tag" value="wpcf7-f171-p117-o1">
<input type="hidden" name="_wpnonce" value="d39b0898d0">
</div>
<p><label>Your Name*<br>
    <span class="wpcf7-form-control-wrap your-name"><input type="text" name="your-name" value="" class="wpcf7-form-control wpcf7-text wpcf7-validates-as-required" size="40"></span> </label></p>
<p><label>Your Title*<br>
   <span class="wpcf7-form-control-wrap your-title"><input type="text" name="your-title" value="" class="wpcf7-form-control wpcf7-text wpcf7-validates-as-required" size="40"></span></label></p>
<p><label>Your Company*<br>
   <span class="wpcf7-form-control-wrap your-company"><input type="text" name="your-company" value="" class="wpcf7-form-control wpcf7-text wpcf7-validates-as-required" size="40"></span></label></p>
<p><label>Your Phone Number*<br>
   <span class="wpcf7-form-control-wrap your-phone"><input type="text" name="your-phone" value="" class="wpcf7-form-control wpcf7-text wpcf7-validates-as-required" size="40"></span></label></p>
<p><label>Your Email*<br>
    <span class="wpcf7-form-control-wrap your-email"><input type="text" name="your-email" value="" class="wpcf7-form-control wpcf7-text wpcf7-email wpcf7-validates-as-required wpcf7-validates-as-email" size="40"></span> </label></p>
<p><label>Preferred contact method?*<br>
<span class="wpcf7-form-control-wrap preferred-contact"><select name="preferred-contact" class="wpcf7-form-control  wpcf7-select wpcf7-validates-as-required"><option value="Phone">Phone</option><option value="Email">Email</option></select></span></label></p>
<p><label>Your Website* (type none for no website)<br>
   <span class="wpcf7-form-control-wrap your-website"><input type="text" name="your-website" value="" class="wpcf7-form-control wpcf7-text wpcf7-validates-as-required" size="40"></span></label></p>
<p><label>Which offer would you like to claim?<br>
<span class="wpcf7-form-control-wrap analysis-consult"><select name="analysis-consult" class="wpcf7-form-control  wpcf7-select wpcf7-validates-as-required"><option value="Free Website Analysis">Free Website Analysis</option><option value="Free Online Marketing Consultation">Free Online Marketing Consultation</option></select></span></label></p>
<p><input type="submit" value="Send" class="wpcf7-form-control  wpcf7-submit"><img class="ajax-loader" src="https://youniquepc.com/wp-content/plugins/contact-form-7/images/ajax-loader.gif" alt="Sending ..." style="visibility: hidden;"></p>
<div class="wpcf7-response-output wpcf7-display-none"></div></form></div>

See FAQ > The spinning arrow icon shows up once I submit a form, but then nothing happens.

Your page’s HTML source shows this error from WP Super Cache plugin?

<!-- WP Super Cache is installed but broken. The constant WPCACHEHOME must be set in the file wp-config.php and point at the WP Super Cache plugin directory. -->