Seeds
What is the financial impact of data loss?
Tracking data loss causes underreported ROAS and misallocated budgets. Proxima estimates $37B in wasted marketing spend globally. A reported 5X ROAS may actually be 2.5X...
Is tracking data loss getting worse?
Yes. Ad blocker usage grows 13% year-over-year, Safari and Firefox already block third-party cookies, and Chrome now lets users choose to block them. Combined with...
How do ad blockers affect my conversion tracking?
Ad blockers prevent tracking pixels and JavaScript tags from loading, which means conversions that happen after ad clicks go unreported. This creates an attribution gap:...
How do I calculate my actual data loss?
Compare server-side data (actual transactions, form submissions, page loads from server logs) against client-side analytics data for the same period. The formula is: Data Loss...
Does uBlock Origin block Google Analytics?
Yes. uBlock Origin blocks Google Analytics by default through EasyPrivacy and Peter Lowe filter lists. These lists target google-analytics.com and related tracking domains.
Does server-side tracking bypass ad blockers?
Yes. Server-side tracking sends data server-to-server, bypassing the browser entirely. Ad blockers only block client-side JavaScript and third-party requests, so they cannot interfere with server-side...
Can I detect if a user has an ad blocker?
Yes, using bait files (JavaScript named ads.js or elements with ad-related CSS classes). If the ad blocker removes the bait element, your detection script knows...
Which ad blockers are most common?
uBlock Origin is the most popular with 10M+ Chrome users, followed by AdBlock Plus, AdBlock, and Ghostery. Browser-integrated blockers like Brave Shields and Firefox Enhanced...
Can I ask users to disable ad blockers?
You can ask, but expect low compliance and user frustration. Studies show 70-80% of users will leave rather than disable. Aggressive anti-blocker walls damage brand...
Are ad blockers legal to use?
Yes, ad blockers are legal in virtually every jurisdiction. Courts in Germany (the most contested market) have repeatedly ruled that users have the right to...
How do ad blocker filter lists work?
Ad blocker filter lists are community-maintained text files containing rules that match URL patterns, DOM elements, and network requests associated with ads and trackers. The...
Do ad blockers affect Facebook Pixel?
Yes — ad blockers aggressively target Facebook Pixel because the script (connect.facebook.net) appears on virtually every major filter list. Roughly 31.5% of web visitors run...