WPSP Ad Blocker Alert checks whether a visitor’s browser is blocking ads, using two tests (a CSS bait element and a script bait request), and shows a notification popup over blurred page content.
?wpsp_ad_blocker_alert_test=1 to any URL to preview without an ad blocker?wpsp_ad_blocker_alert_debug=1 to see a diagnostic overlayWPSP Ad Blocker Alert Pro adds: