Does this create the excluded placement list if it does not exist?

Yes. This updated version creates the list and retrieves the resulting object correctly using the builder operation.

Why add placements to a shared list as well?

It makes the exclusions reusable and easier to audit across campaigns outside the immediate script run.

Does this use the latest reporting style?

Yes. The script uses AdsApp.report with apiVersion set to v22.

Should I use contains or ends-with matching?

Ends-with is usually safer for TLD-style rules. Contains is broader and should be tested carefully.

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Display Placement Domain Excluder

Excludes display placements that match domain rules and optionally adds them to a shared excluded placement list for broader reuse.

displayplacementsexclusionsshared-lists

Script Code

Use this when you want a simple domain-pattern exclusion script for display placements with optional shared-list maintenance.

Preview is public. Unlock full code with name and email.

/**
 * ==========================================================
 * Display Placement Domain Excluder
 * ==========================================================
 * Description: Excludes display placements that match a
 * configurable set of domain patterns.
 *
 * Copyright (c) 2026 TwoSquares. All Rights Reserved.
 * Developed by Kiril Ivanov
 */
function main() {
  var EXCLUSIONS_LIST = "Auto Excluded Placements";
  // ... preview shortened
}

About This Script

Display Placement Domain Excluder is a lightweight placement cleanup script for display campaigns. It reviews website placements over a selected lookback window, matches them against a list of terms such as low-quality TLDs, and excludes matching placements.

This updated version uses current GAQL reporting with explicit API versioning and fixes several rough edges from the original draft, including excluded placement list creation, duplicate-safe handling, and builder result access.

Because this script can make direct exclusions, match rules should be kept conservative. It is best used for obvious placement patterns rather than subjective quality decisions.

Implementation Notes

Set the lookback window, impression threshold, and exclusion terms for your account.
Run manually first and inspect the logged matches before scheduling.
Decide whether you want to add matches to a shared excluded placement list as well as exclude at ad-group level.
Keep the exclusion term list tight and review it regularly.
Use conservative rules for production to avoid blocking useful placements by accident.

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