AdOps Core

AdOps troubleshooting guides

Find the problem. Learn the fix. Practice it.

Choose what you want to achieve

Learn AdOps from the start

Build the concepts, then apply them to a fictional campaign.

  1. Follow the beginner practice plan
  2. Attempt trafficking exercises
  3. Understand practice without a GAM account

Prepare for an interview

Practice the work and make your reasoning easy to review.

  1. Prepare scenario-based answers
  2. Try a written practical test
  3. Create an honest work sample

Investigate a campaign

Find the failed stage, confirm the cause, and verify recovery.

  1. Diagnose missing delivery
  2. Calculate the recovery requirement
  3. Reconcile the reports

Find a guide

27 guides
Video & VAST

Why does a VAST video ad time out or fail to play?

Supply path

Why is my inventory flagged as an unauthorized seller (ads.txt)?

Measurement

Why don't my ad server and third-party reports match?

Deals

Why is my PMP or programmatic deal active but not spending?

Header bidding

Why are my header bidding bids missing from the ad server?

Delivery & pacing

Why is my guaranteed campaign underdelivering despite enough inventory?

CTV and app

Why does a CTV server-side ad request return no demand?

CTV and app

Why does a CTV ad pod return gaps, duplicate brands or the wrong duration?

CTV and app

Why does an MRAID mobile creative stay blank or fail to initialize?

Yield and monetization

Why did a higher floor price increase CPM but reduce total ad revenue?

Yield and monetization

Why did programmatic bid volume drop even though traffic stayed stable?

Measurement

Why does invalid traffic filtering create an ad campaign reporting discrepancy?

AdOps fundamentals

AdOps interview questions and scenario-based answers

AdOps fundamentals

Ad trafficking checklist: from brief to campaign launch

Delivery & pacing

Google Ad Manager line item not delivering: troubleshooting checklist

AdOps fundamentals

What is ad operations? Roles, tools, and the campaign workflow

Delivery & pacing

Campaign pacing: formulas, examples, and underdelivery checks

AdOps fundamentals

Programmatic advertising explained: DSPs, SSPs, and ad servers

Video & VAST

VAST error codes: a practical troubleshooting guide

AdOps fundamentals

How to learn ad operations without work experience

AdOps fundamentals

Ad trafficking practice exercises with explained answers

AdOps fundamentals

AdOps practical test: sample tasks and a self-review rubric

AdOps fundamentals

How to practice Google Ad Manager skills without a live account

AdOps fundamentals

How to build an AdOps portfolio with simulated campaign work

Measurement

Ad viewability: measurable impressions, formulas, and troubleshooting

Deals

Private auctions, preferred deals, and programmatic guaranteed explained

Supply path

Supply path optimization: an evidence-led AdOps checklist