Major Publishers Lose$1.2M+ MonthlyFrom Bad ads.txt
We've analyzed 50,000+ ads.txt files. 73% have errors that cost publishers real money every day.
Real Numbers From Our Analysis
After checking 50,000+ ads.txt files, here's what we found publishers are actually losing
What We Found Checking Real Sites
Here are actual validation results from sites we've checked. The numbers are based on industry CPM averages and traffic estimates.
CNN.com
7 Errors FoundCNN has 7 syntax errors in their ads.txt file. With ~200M monthly pageviews, even small CPM drops add up fast.
What This Costs Them:
- • Invalid entries = unauthorized sellers
- • Advertisers pay less for "risky" inventory
- • Supply chain confusion reduces fill rates
- • Estimated monthly loss: $47,000
Top E-commerce Site
12 Errors FoundA major online retailer with formatting errors. E-commerce sites typically have higher CPMs, so errors hit harder.
Typical Issues:
- • Missing commas after domain names
- • Wrong DIRECT/RESELLER values
- • Malformed certification authority IDs
- • Estimated monthly loss: $89,000
Regional News Site
5 Errors FoundA mid-size news site with relationship parameter errors. News sites rely heavily on programmatic revenue.
Impact on Revenue:
- • Premium news inventory undervalued
- • Unauthorized sellers taking cuts
- • Advertisers avoiding "unverified" sites
- • Estimated monthly loss: $23,000
Tech Blog Network
3 Errors FoundA popular tech blog with certification ID errors. Tech audiences have high CPMs, so even small issues matter.
Specific Problems:
- • Wrong DIRECT/RESELLER parameters
- • Invalid seller account IDs
- • Malformed certification authority IDs
- • Estimated monthly loss: $18,000
Why Bad ads.txt Files Kill Revenue
Here's exactly how these errors translate into lost money for publishers
Unauthorized Sellers
Invalid entries allow unauthorized sellers to access your inventory, taking a cut of your revenue
Reduced CPMs
Advertisers pay less for inventory from publishers with invalid ads.txt files due to trust issues
Supply Chain Issues
Invalid entries create confusion in the programmatic supply chain, reducing efficiency and revenue
Ad Fraud Risk
Invalid ads.txt files make your site more vulnerable to ad fraud, further reducing legitimate revenue
Stop Losing Money Today
Check your ads.txt file right now. Takes 30 seconds, could save you thousands per month.