Guides to help publishers earn more from ads.
A new practical guide every day on AdX access, Ad Manager, ads.txt, header bidding, CTV, app monetization and getting your site ready to grow.
Guides
sellers.json Explained and How to Check Your Entry
What sellers.json is, what each field means, how it pairs with ads.txt, and how publishers check and fix a confidential or missing sellers.json entry.
Interstitial Ads CPM and How to Test Them Safely
Why interstitial ads CPM runs higher than banners, what sourced data shows, Google's interstitial ad rules for web and AdMob, and how to test without losing RPM.
Banner Ad Sizes Publishers Should Use in 2026
The standard banner ad sizes Google and the IAB list, which ones get the most demand, which to drop, and how to set multi-size slots without layout shift.
How to Set Up app-ads.txt and Fix AdMob Errors
What app-ads.txt is, how to create and host it on your developer website, the line format, and how to fix AdMob errors such as app-ads.txt not found.
Monetize Roku Channel Content With Ads Step by Step
How to monetize Roku channel content with ads: Roku's revenue models, the Roku Advertising Framework rules, ad insertion, app-ads.txt and demand setup.
AdSense CPM vs RPM and What Really Moves Them
AdSense CPM explained for publishers: how per-impression pay works, how CPM differs from RPM, the revenue-share maths and what really raises your earnings.
How to Monetize a Website With 8 Revenue Models
How to monetize a website: 8 revenue models compared by traffic stage, plus the ad setup (AdSense, Ad Manager, ads.txt, consent) that buyers check first.
CTV Monetization and How Streaming Apps Earn From Ads
A plain-English guide to CTV monetization for streaming apps and FAST channels: revenue models, ad formats, SSAI, app-ads.txt and the setup buyers check first.
Fix the AdSense Site Down or Unavailable Error
AdSense site down or unavailable? Learn why the AdSense crawler could not reach your site, how to fix each cause, and when to request a new review.
How to Fix AdSense Low Value Content Rejection
AdSense low value content rejection? See why AdSense rejected your site, how to fix low value content step by step, and how to request a new review.
Applying for AdX? Meet the Google AdX Requirements First
Applying for AdX? Check the Google AdX requirements for content, consent, traffic, page speed, ads.txt and accounts, with a printable checklist.
How to Get Google AdX Access as a Publisher
How to get Google AdX access as a publisher: direct accounts vs MCM partners, what partners check, the invitation steps and what to agree before you accept.
How to Set Up ads.txt and Fix Common Errors
A plain-English guide to ads.txt: what each line means, where the file goes, how to add partner lines, and how to fix the warnings that cost publishers revenue.