A very common Contact Form 7 issue is when the form:
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Shows a spinning loader
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Takes too long to submit
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Never completes submission
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Appears “stuck” after clicking Send
This is almost always caused by AJAX, JavaScript, or caching conflicts — not the form itself.
Let’s fix it properly.
🚨 Common Symptoms
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Loader spins endlessly
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No success or error message
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Form submits only after page refresh
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Works for some users but not others
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Works in admin but not frontend
🔍 Why Contact Form 7 Gets Stuck
Main causes include:
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JavaScript conflicts
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Deferred or delayed JS loading
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AJAX blocked by security plugins
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reCAPTCHA scripts loading slowly
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Cloudflare Rocket Loader issues
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Heavy page builders
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Hosting performance limitations
🔧 FIX 1 — Disable JavaScript Delay & Defer
Contact Form 7 relies on immediate JS execution.
Disable these settings in caching plugins:
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Delay JavaScript execution
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Defer JavaScript
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Combine JavaScript files
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Load JS asynchronously
Clear cache and test again.
🔧 FIX 2 — Disable Cloudflare Rocket Loader
Rocket Loader often breaks CF7 AJAX.
If you use Cloudflare:
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Turn off Rocket Loader
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Or exclude CF7 scripts from optimization
Test form submission after disabling.
🔧 FIX 3 — Check Browser Console for Errors
Open Developer Tools → Console tab.
Look for:
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AJAX 403 or 500 errors
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Blocked requests
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JavaScript undefined errors
Any error here can break form submission.
🔧 FIX 4 — Exclude CF7 Scripts From Optimization
Exclude these scripts from minification/delay:
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contact-form-7.js -
wpcf7 -
recaptcha -
google.com/recaptcha
Most cache plugins allow script exclusion.
🔧 FIX 5 — Disable Security Plugins Temporarily
Security plugins may block admin-ajax.php.
Test by disabling:
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Wordfence
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iThemes Security
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All-in-One Security
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Cloudflare WAF
If fixed, whitelist AJAX endpoints.
🔧 FIX 6 — Reduce Page Builder Complexity
Forms placed inside:
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Tabs
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Accordions
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Popups
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Hidden sections
…may load incorrectly.
Solution:
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Place form in visible section
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Avoid display:none on page load
🔧 FIX 7 — Test Without reCAPTCHA
reCAPTCHA scripts may delay submission.
Test by:
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Temporarily disabling reCAPTCHA
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Submitting the form
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If faster, reconfigure or optimize reCAPTCHA
🔧 FIX 8 — Improve Hosting Performance
Slow hosting increases form delay.
Check:
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PHP memory limit (256MB recommended)
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PHP version (8.0 or higher)
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Server response time
Shared hosting often causes delays.
🔧 FIX 9 — Update Everything
Outdated software causes conflicts.
Update:
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WordPress core
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Contact Form 7
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Theme
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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 — 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 → Add New
Search for VPSUForm or Vform
Click Install and then Activate
Go to VPSUForm → Forms, click Add New, and start building!