Library
Guides
39 guides for publishers on AdSense today who want to understand Google Ad Manager, MCM and Ad Exchange.
Start here: from AdSense to AdX
AdSense to AdXAd Manager vs Ad Manager 360: Costs, Limits and FeaturesIs Google Ad Manager free? The free impression limits, when billing starts, what Ad Manager 360 adds, and how MCM children fit in.October 2, 2025 · 6 min readAdSense to AdXWill AdX Earn More Than AdSense? Setting Honest ExpectationsWhy AdX can raise revenue for some sites and not others, what actually changes in the auction, and how to judge the result without guesswork.September 21, 2025 · 7 min readAdSense to AdXAdSense to AdX Timeline: Every Step and Its Waiting TimeFrom AdSense to live AdX demand: each step, and the waiting periods Google itself publishes for invitations, ID checks, PINs, site review and pay.August 26, 2025 · 8 min readAdSense to AdXGoogle AdX Requirements: What Is Actually CheckedWhat Google publishes for AdX through MCM: account standing, site ownership, site review, identity checks and policy, and what it doesn't.August 20, 2025 · 7 min readAdSense to AdXHow to Get Google AdX Access: The Routes That ExistThe real ways an AdSense publisher reaches Google Ad Exchange: Ad Manager, MCM delegation, and what each route asks of you. No shortcuts.August 14, 2025 · 7 min readAdSense to AdXAdSense vs Ad Manager: what actually changesAdSense and Google Ad Manager solve different problems. Here's what genuinely changes when you move — and what stays the same.May 15, 2025 · 5 min read
All guides
TroubleshootingAd Manager Account Suspended: What Happens and What to DoHow Ad Manager suspension works for invalid activity or policy: the 30-day pause, the follow-up review, deductions, and how to investigate the cause.October 1, 2026 · 8 min readTroubleshootingLow AdSense RPM: Causes to Check Before Switching PlatformsBefore blaming AdSense, rule out the usual causes of a low or falling RPM: traffic mix, consent, viewability, layout, invalid traffic and seasonality.September 16, 2026 · 8 min readTroubleshootingMCM Invitation Not Received, Expired or Stuck: What to CheckDidn't get the MCM invitation, can't accept it, or it expired? The checks to run: network code, account role, the 90-day expiry, and existing parents.August 28, 2026 · 8 min readTroubleshootingAd Manager Site "Needs Attention": Causes and FixesWhat the Ad Manager site statuses mean, why a site sits in Needs attention or Getting ready, and the fixes to try before you request another review.August 19, 2026 · 8 min readTroubleshootingads.txt "Not Found": How to Fix It on Any PlatformFix an ads.txt "Not found" status in AdSense or Ad Manager: root domain, WordPress and Blogger, redirects, geofences, and recheck times.August 6, 2026 · 8 min readYield and optimizationPrivate Auctions, Preferred Deals and PG: A Publisher PrimerThe three AdX deal types in plain English: who negotiates, what is guaranteed, how pricing works, and when a smaller publisher will see them.July 25, 2026 · 7 min readYield and optimizationOpen Bidding vs Header Bidding: Which Suits a Smaller Site?Server-side Open Bidding vs in-page header bidding for sites leaving AdSense: setup, page speed, control, and what needs Ad Manager 360.July 15, 2026 · 8 min readYield and optimizationAd Viewability Explained: What Counts and Why Buyers CareThe IAB viewable-impression definition Google uses, how Active View reports it, and layout choices that raise viewability without breaking policy.July 6, 2026 · 8 min readYield and optimizationAdSense RPM vs AdX eCPM: How to Compare Earnings FairlyPage RPM, impression RPM and eCPM measure different things. How to compare AdSense and AdX results without fooling yourself after a switch.June 16, 2026 · 8 min readPolicy and traffic qualityConsent Rules for EEA, UK and Swiss Traffic in Ad ManagerWhy AdSense and Ad Manager need a Google-certified CMP with IAB TCF for personalized ads in the EEA, UK and Switzerland, and how MCM changes messaging.June 8, 2026 · 8 min readPolicy and traffic qualityAdSense Closed for Invalid Traffic: What It Means for AdXIf AdSense closed your account for invalid traffic: the appeal, what Google says about new accounts, and why it matters for Ad Manager and MCM.May 22, 2026 · 8 min readPolicy and traffic qualityTraffic Arbitrage and AdX: Rules for Buying TrafficPaid traffic and ad arbitrage under Google's rules: who is responsible, how to vet sources, and the signals that tell you to pause a campaign.May 16, 2026 · 7 min readPolicy and traffic qualityAd Placement Rules: Where Google Ads Can and Can't GoThe placement mistakes that trigger warnings: ads near buttons and menus, misleading labels, images aligned with ads, pop-ups. With safe layout patterns.May 9, 2026 · 8 min readPolicy and traffic quality"Low Value Content": What It Means and How to Fix ItWhat Google means by low-value content, why it blocks AdSense and later AdX, and a page-by-page review to fix it before you reapply.April 18, 2026 · 7 min readPolicy and traffic qualityInvalid traffic: what it is and how to avoid itYour AdSense traffic habits matter when seeking AdX through MCM. Learn what invalid activity is and how to avoid it.April 11, 2026 · 4 min readPolicy and traffic qualityAdSense Policy Violations: Clear Them Before Applying for AdXWhy open AdSense policy issues matter for AdX, how to read the Policy center, fix and request a review, and what carries over to Ad Manager.March 26, 2026 · 8 min readPayments and verificationAdSense vs Ad Manager Payments: Dates, Thresholds, HoldsWhen AdSense pays, when Ad Manager pays, thresholds and holds, and how an MCM revenue share shows up in your payments.March 5, 2026 · 8 min readPayments and verificationAd Manager Identity and Address Verification: DeadlinesWho must verify, which documents individuals and businesses send, the 45-day window, PIN letters by post, and what happens if you miss a step.February 12, 2026 · 8 min readAd Manager setupAdSense Backfill in Ad Manager: Before and After AdXHow AdSense runs inside Ad Manager (network, ad unit or line item), why MCM setup asks you to switch backfill off, and how to plan the handover.January 28, 2026 · 8 min readAd Manager setupDynamic Allocation: How AdX Competes Inside Ad ManagerHow Ad Manager decides which ad serves: line item types and priorities, dynamic allocation, and where AdX, AdSense and remnant demand compete.January 9, 2026 · 9 min readAd Manager setupGoogle Publisher Tag (GPT) Basics for AdSense PublishersWhat replaces your AdSense code in Ad Manager: how GPT tags work, how they differ from AdSense code, passbacks, and how tags affect billing.December 19, 2025 · 8 min readAd Manager setupAd Units in Google Ad Manager: Naming, Codes and StructureHow to plan ad units, names and codes in Ad Manager so reports stay readable and MCM tags work, with the rules Google applies to ad unit codes.December 4, 2025 · 8 min readAd Manager setupAd Manager Account Setup: Settings You Can't Change LaterCreating a Google Ad Manager account from AdSense: the choices that are permanent, the ones to make first, and how to keep the account secure.November 28, 2025 · 8 min readAd Manager setupads.txt and sellers.json for MCM publishersMoving from AdSense toward AdX? Learn how your existing ads.txt entries and any new MCM seller details fit together.November 21, 2025 · 4 min readMCMAdX Approval Services: Red Flags Before You Pay Anyone"Instant" or "guaranteed" AdX approval, accounts for sale, shared logins: the warning signs, and why they clash with Google's own MCM rules.November 13, 2025 · 9 min readMCMThe MCM Policies a Child Publisher Agrees To, ExplainedGoogle's MCM Policies in plain English: ownership, one parent per inventory, no previously disapproved sites, and who is responsible for violations.October 28, 2025 · 8 min readMCMGoogle Certified Publishing Partners: What the Badge MeansWhat Google's Certified Publishing Partner program is, how to check a company in Google's directory, and how that differs from being an MCM parent.October 20, 2025 · 8 min readAdSense to AdXAd Manager vs Ad Manager 360: Costs, Limits and FeaturesIs Google Ad Manager free? The free impression limits, when billing starts, what Ad Manager 360 adds, and how MCM children fit in.October 2, 2025 · 6 min readAdSense to AdXWill AdX Earn More Than AdSense? Setting Honest ExpectationsWhy AdX can raise revenue for some sites and not others, what actually changes in the auction, and how to judge the result without guesswork.September 21, 2025 · 7 min readTroubleshootingCommon reasons an Ad Manager account is not ready yetUsing AdSense and considering AdX? Check your Ad Manager setup, site, policies and traffic before requesting an MCM invitation.September 6, 2025 · 4 min readAdSense to AdXAdSense to AdX Timeline: Every Step and Its Waiting TimeFrom AdSense to live AdX demand: each step, and the waiting periods Google itself publishes for invitations, ID checks, PINs, site review and pay.August 26, 2025 · 8 min readAdSense to AdXGoogle AdX Requirements: What Is Actually CheckedWhat Google publishes for AdX through MCM: account standing, site ownership, site review, identity checks and policy, and what it doesn't.August 20, 2025 · 7 min readAdSense to AdXHow to Get Google AdX Access: The Routes That ExistThe real ways an AdSense publisher reaches Google Ad Exchange: Ad Manager, MCM delegation, and what each route asks of you. No shortcuts.August 14, 2025 · 7 min readGetting startedAdX and MCM Glossary: Terms Every AdSense Publisher MeetsPlain definitions of MA, MI, parent, child, GCPP, dynamic allocation, UPR, schain, Open Bidding and more, with links to Google's own help pages.July 26, 2025 · 7 min readGetting startedAd Exchange vs Ad Network vs SSP: Where AdSense and AdX FitAd network, ad exchange, SSP, DSP and ad server explained with Google's own products as examples, so the AdSense to AdX move makes sense.July 7, 2025 · 7 min readGetting startedWhat Is Google Ad Exchange (AdX)? A Guide for AdSense UsersHow Google Ad Exchange works, who buys on it, how it sits inside Ad Manager, and what an AdSense publisher needs before getting access.June 20, 2025 · 7 min readMCMHow MCM (Multiple Customer Management) worksOn AdSense today? MCM can connect your Ad Manager inventory to Ad Exchange demand through a partner. Here's how the relationship works.June 8, 2025 · 4 min readGetting startedGoogle Ads, AdSense, Ad Manager and AdX: The Names ExplainedGoogle Ads, AdSense, Ad Manager, AdX, AdMob and Authorized Buyers: what each one is, who uses it, and which ones a publisher actually touches.May 26, 2025 · 8 min readAdSense to AdXAdSense vs Ad Manager: what actually changesAdSense and Google Ad Manager solve different problems. Here's what genuinely changes when you move — and what stays the same.May 15, 2025 · 5 min read