How to prevent bot traffic in Facebook ads? Some useful tips here

Understanding Bot Traffic in Facebook Ads
Bot traffic in Facebook (now Meta) ads refers to automated clicks or interactions from non-human sources like scripts, crawlers, or malicious software. This can inflate your ad spend, skew analytics, and reduce ROI by generating fake engagements without real conversions. Meta has built-in systems to detect and prevent invalid clicks, such as capping ad impressions per user and reviewing suspicious activity, which may lead to refunds for fraudulent clicks. However, not all bots are caught, so proactive measures are essential.
Steps to Prevent Bot Traffic
Here are practical strategies to minimize bot traffic, based on expert recommendations and platform features:
Optimize Ad Campaigns for Conversions, Not Clicks: Instead of focusing on link clicks or traffic objectives, optimize for meaningful actions like purchases, form submissions, or multi-page sessions. This discourages low-quality bot interactions and targets genuine users.
Refine Ad Placements and Exclusions: Exclude high-risk placements like Audience Network, In-Stream Videos, Instant Articles, and Reels, as these are more prone to bot activity.
Use geo-targeting to exclude irrelevant or high-fraud regions, and create exclusion lists for demographics, interests, or locations with suspicious behavior.
Implement On-Site Protections: Add CAPTCHA or reCAPTCHA to your landing pages or forms to verify human users. Use honeypots (hidden form fields that bots fill out but humans don’t) or server-side validation to filter bots.
Set up Cloudflare’s bot management for free website-level protection, which can block suspicious traffic before it reaches your site.
Leverage Third-Party Tools: For advanced detection, consider tools like Spider AF for automated bot blocking and ad fraud prevention, or ClickGUARD for real-time click monitoring beyond Meta’s native features. These can analyze traffic patterns and stop bots in real time.
Monitor and Report Suspicious Activity: Regularly check your analytics (e.g., Google Analytics or Meta’s dashboard) for signs like high bounce rates, short session times, or sudden spikes in traffic from unusual sources.
If you spot unreimbursed invalid clicks, contact Meta support with evidence for further investigation and potential refunds.
Use Server-Side Tracking: Deploy tools like Meta’s Conversions API for more accurate tracking that bypasses browser-based bots and ad blockers.
By combining these tactics, you can significantly reduce bot interference and focus on real user engagement. Start with Meta’s built-in tools and ad settings, then layer on site protections and monitoring for the best results. If your campaigns are large-scale, investing in a dedicated anti-fraud tool may be worthwhile.