A very common Contact Form 7 issue is when the form:

  • Shows a spinning loader

  • Takes too long to submit

  • Never completes submission

  • Appears β€œstuck” after clicking Send

This is almost always caused by AJAX, JavaScript, or caching conflicts β€” not the form itself.

Let’s fix it properly.


🚨 Common Symptoms

  • Loader spins endlessly

  • No success or error message

  • Form submits only after page refresh

  • Works for some users but not others

  • Works in admin but not frontend


πŸ” Why Contact Form 7 Gets Stuck

Main causes include:

  • JavaScript conflicts

  • Deferred or delayed JS loading

  • AJAX blocked by security plugins

  • reCAPTCHA scripts loading slowly

  • Cloudflare Rocket Loader issues

  • Heavy page builders

  • Hosting performance limitations


πŸ”§ FIX 1 β€” Disable JavaScript Delay & Defer

Contact Form 7 relies on immediate JS execution.

Disable these settings in caching plugins:

  • Delay JavaScript execution

  • Defer JavaScript

  • Combine JavaScript files

  • Load JS asynchronously

Clear cache and test again.


πŸ”§ FIX 2 β€” Disable Cloudflare Rocket Loader

Rocket Loader often breaks CF7 AJAX.

If you use Cloudflare:

  • Turn off Rocket Loader

  • Or exclude CF7 scripts from optimization

Test form submission after disabling.


πŸ”§ FIX 3 β€” Check Browser Console for Errors

Open Developer Tools β†’ Console tab.

Look for:

  • AJAX 403 or 500 errors

  • Blocked requests

  • JavaScript undefined errors

Any error here can break form submission.


πŸ”§ FIX 4 β€” Exclude CF7 Scripts From Optimization

Exclude these scripts from minification/delay:

  • contact-form-7.js

  • wpcf7

  • recaptcha

  • google.com/recaptcha

Most cache plugins allow script exclusion.


πŸ”§ FIX 5 β€” Disable Security Plugins Temporarily

Security plugins may block admin-ajax.php.

Test by disabling:

  • Wordfence

  • iThemes Security

  • All-in-One Security

  • Cloudflare WAF

If fixed, whitelist AJAX endpoints.


πŸ”§ FIX 6 β€” Reduce Page Builder Complexity

Forms placed inside:

  • Tabs

  • Accordions

  • Popups

  • Hidden sections

…may load incorrectly.

Solution:

  • Place form in visible section

  • Avoid display:none on page load


πŸ”§ FIX 7 β€” Test Without reCAPTCHA

reCAPTCHA scripts may delay submission.

Test by:

  1. Temporarily disabling reCAPTCHA

  2. Submitting the form

  3. If faster, reconfigure or optimize reCAPTCHA


πŸ”§ FIX 8 β€” Improve Hosting Performance

Slow hosting increases form delay.

Check:

  • PHP memory limit (256MB recommended)

  • PHP version (8.0 or higher)

  • Server response time

Shared hosting often causes delays.


πŸ”§ FIX 9 β€” Update Everything

Outdated software causes conflicts.

Update:

  • WordPress core

  • Contact Form 7

  • Theme

  • Plugins

Always test after updating.


⭐ Final Thoughts

If Contact Form 7 is slow or stuck loading, it’s usually caused by JavaScript optimization, caching, or security conflicts β€” not the plugin itself.

Once you disable JS delays, whitelist CF7 scripts, and fix AJAX blocking, your forms will submit instantly again.

 

How to Get Started

Installing VPSUForm is easy:

From your WordPress dashboard, go to Plugins β†’ Add New

Search for VPSUForm or Vform

Click Install and then Activate

Go to VPSUForm β†’ Forms, click Add New, and start building!

πŸ‘‰Β Or download it directly from WordPress.org