Best Practices for app-ads.txt Implementation

What is app-ads.txt?

app-ads.txt is the mobile app equivalent of ads.txt, designed to prevent unauthorized inventory sales and domain spoofing in mobile applications. It helps protect your app's ad revenue by ensuring that only authorized sellers can sell your inventory.

Key Implementation Steps

1. Set Up Your Developer Website

   You need a website where you can host your app-ads.txt file. This should be the same website listed in your app store listing.

2. Generate Your app-ads.txt File

   Create your app-ads.txt file using our Mobile app-ads.txt Generator.

3. Upload to Your Server

   Place the file in your developer website's root directory: https://yourdeveloperwebsite.com/app-ads.txt

4. Update App Store Listing

   Ensure your app store listing includes the correct developer website URL.

Best Practices

1. File Location and Accessibility

• Place the file in your root directory
• Ensure the file is publicly accessible
• Use HTTPS for security
• Keep the file size small and efficient

2. Content and Formatting

• Use the correct format for each entry
• Include all authorized sellers
• Keep the file up to date
• Use proper line breaks and formatting

3. Verification and Maintenance

• Regularly verify file accessibility
• Update the file when adding new ad networks
• Monitor for unauthorized sellers
• Keep backup copies of your file

Common Implementation Mistakes

• Incorrect file location
• Missing authorized sellers
• Outdated information
• Incorrect publisher IDs
• Mismatched developer website URLs

Example app-ads.txt File

# app-ads.txt file
# Generated by Ads.txt Generator

# Google AdMob
google.com, pub-0000000000000000, DIRECT, f08c47fec0942fa0

# Add your other ad networks below
# Format: domain, publisher_id, relationship_type, certification_id
# Example:
# greenadexchange.com, 12345, DIRECT, d75815a79
# silverssp.com, 9675, RESELLER, 496211

Monitoring and Maintenance

Regular monitoring and maintenance of your app-ads.txt file is crucial. Here's what you should do:

• Check file accessibility weekly
• Update the file when adding new ad networks
• Verify all entries are correct
• Monitor for any unauthorized sellers