Full Answer

Ad blocker detection methods: Script load check: Bait element: Known domain request: Problems with detection:

• Blockers counter-detect detection scripts
• False positives occur
• Detection itself may be blocked
• Cat-and-mouse game What to do with detection:
• Show a message? (Users hate this)
• Track it? (Ironic—tracking is blocked)
• Alternative experience? (Complexity) Better approach: Instead of detecting and reacting, use tracking that doesn't get blocked. Server-side events happen regardless of client-side blockers. No detection needed.