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Best Practices7 min read

Contact Form Best Practices: 15 Tips to Increase Conversions

Learn the best practices for designing contact forms that convert. Proven tips to increase submissions and reduce abandonment.

December 8, 2024by FastSubmit Team

Your contact form is often the first step in converting visitors into customers. A poorly designed form can cost you leads. These 15 best practices will help you create forms that convert.

Why Contact Forms Matter

Contact forms are critical for business growth:

  • Lead Generation: Primary way to capture potential customers
  • Customer Support: First point of contact for help
  • Sales Inquiries: Direct line to revenue
  • Partnerships: Gateway to business opportunities

The Stats:

  • • Average form conversion rate: 2-5%
  • • Well-optimized forms: 10-15%
  • • Each extra field reduces conversions by 10%
  • • Mobile-optimized forms convert 160% better

1. Keep It Short and Simple

The fewer fields, the better. Only ask for what you absolutely need.

Essential Fields:

  • • Name (or just first name)
  • • Email address
  • • Message/Inquiry

Usually Unnecessary:

  • • Company name
  • • Phone number
  • • Address
  • • Job title

💡 Pro Tip: You can always ask for more information in follow-up emails.

2. Use Clear, Descriptive Labels

Labels should tell users exactly what to enter. Avoid vague or clever wording.

❌ Vague:

  • • "Your info"
  • • "Details"
  • • "Tell us more"

Clear:

  • • "Your email address"
  • • "How can we help?"
  • • "Describe your project"

3. Make Required Fields Obvious

Use asterisks (*) or "Required" labels. Better yet, make all fields required so there's no confusion.

Best Practice:

If you have optional fields, label them as "(Optional)" instead of marking required fields. This reduces visual clutter and makes the form feel less demanding.

4. Use Inline Validation

Show errors immediately as users type, not after they click submit.

Benefits of Inline Validation:

  • ✅ Users fix errors immediately
  • ✅ Reduces frustration
  • ✅ Increases completion rates by 22%
  • ✅ Provides instant feedback

Example:

"john@email" → "Please enter a valid email"
"john@email.com" → Valid!

5. Optimize for Mobile

Over 50% of form submissions happen on mobile. Your form must work perfectly on phones.

Mobile Optimization Checklist:

  • ✅ Large input fields (minimum 44x44 pixels)
  • ✅ Big, tappable submit button
  • ✅ Proper input types (email, tel, number)
  • ✅ Auto-capitalize names
  • ✅ Disable autocorrect for emails
  • ✅ Single column layout
  • ✅ Minimal scrolling required

6. Write Compelling Button Copy

"Submit" is boring. Use action-oriented, benefit-focused button text.

❌ Generic:

  • • Submit
  • • Send
  • • Go

Compelling:

  • • Get Your Free Quote
  • • Start My Project
  • • Contact Our Team
  • • Request a Demo

7. Add a Privacy Note

Build trust by explaining how you'll use their information.

Good Privacy Note Example:

"We respect your privacy. Your information will only be used to respond to your inquiry. We'll never share your email with third parties. See our Privacy Policy."

8. Show a Clear Success Message

After submission, confirm receipt and set expectations.

Great Success Message:

✓ Thanks! We received your message.

We'll respond within 24 hours. Check your email (including spam folder) for our reply.

9. Use Smart Defaults

Pre-fill information when possible to reduce typing.

Examples:

  • Pre-select the most common option in dropdowns
  • Auto-detect country from IP address
  • Remember previous selections (with permission)
  • Use browser autocomplete for names and emails

10. Add Visual Hierarchy

Guide users' eyes through the form with proper spacing and sizing.

Visual Hierarchy Tips:

  • • Larger heading at top
  • • Consistent spacing between fields
  • • Submit button stands out (different color)
  • • Group related fields together
  • • Use whitespace generously

11. Provide Context with Placeholder Text

Use placeholder text to show examples, but don't rely on it for labels.

❌ Bad:

Placeholder as label:

"Enter your email..."

Good:

Label + helpful placeholder:

Email Address
"you@company.com"

12. Remove Distractions

When someone is filling out your form, remove navigation and other distractions.

Consider:

  • Hiding navigation menu on form pages
  • Removing sidebar widgets
  • Disabling exit-intent popups
  • Limiting footer links

13. Test Different Layouts

A/B test these variations to find what works best:

Single Column vs. Two Column

Single column usually converts better (15-20% higher)

Vertical vs. Horizontal Labels

Vertical (top-aligned) labels are faster to scan

Button Color

High contrast buttons (green, orange) often perform best

14. Add Social Proof

Build trust by showing that others have used your form.

Social Proof Examples:

  • "Join 10,000+ satisfied customers"
  • "Trusted by companies like [logos]"
  • "Average response time: 2 hours"
  • "4.9/5 stars from 500+ reviews"

15. Follow Up Quickly

Speed matters. The faster you respond, the higher your conversion rate.

Response Time Impact:

  • Within 5 minutes: 100x more likely to convert
  • Within 1 hour: 7x more likely to convert
  • After 24 hours: Conversion rate drops 60%

Quick Follow-Up Tips:

  • Set up instant email notifications
  • Use auto-responders to acknowledge receipt
  • Assign forms to specific team members
  • Set response time goals (e.g., within 2 hours)
  • Track and measure response times

Common Mistakes to Avoid

❌ Don't Do This:

  • Asking for information you don't need
  • Using CAPTCHA (unless absolutely necessary)
  • Making phone number required
  • Splitting name into first/last fields (just use "Name")
  • Using dropdown menus when radio buttons would work
  • Hiding the submit button below the fold
  • Not testing on mobile devices
  • Using generic error messages

Measuring Success

Track these metrics to optimize your contact form:

Key Metrics:

  • Conversion Rate: (Submissions / Page Views) × 100
  • Completion Rate: (Completed / Started) × 100
  • Time to Complete: Average time users take
  • Field Abandonment: Which fields cause drop-offs
  • Error Rate: How often users see errors
  • Mobile vs. Desktop: Performance by device

Create High-Converting Contact Forms

Build contact forms that convert with FastSubmit. Mobile-optimized, spam-protected, and easy to customize.

Get Started Free

Real-World Example

Before & After:

❌ Before (7 fields):

  • • First Name, Last Name, Email, Phone, Company, Job Title, Message
  • • Conversion Rate: 2.3%

✅ After (3 fields):

  • • Name, Email, Message
  • • Conversion Rate: 8.7%
  • Result: 278% increase in leads!

Conclusion

Great contact forms are simple, clear, and respect users' time. By following these 15 best practices, you can dramatically increase your form conversion rates and generate more leads.

Remember: Every field you remove increases conversions. Every second you save users increases completions. Test, measure, and continuously optimize. Your contact form is too important to ignore.

Quick Checklist:

  • Only 3-5 fields maximum
  • Clear labels and button copy
  • Mobile-optimized
  • Inline validation enabled
  • Privacy note included
  • Success message configured
  • Fast follow-up process in place