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Essential Google Ads Settings: Hidden Options That Impact Results

Stop Leaving Money on the Table with Wrong Settings

12 min readUpdated January 2026

Hidden settings in Google Ads are silently draining your budget right now. Most advertisers never find them. Learn what to change and why.

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1Why Google Hides Advanced Settings

The Automation Push: Who Benefits Most

Google has deliberately moved toward simplified campaign creation with automatic optimization. This serves two distinct audiences:

Complete Beginners:

  • Too many options can lead to costly configuration mistakes
  • Automated settings prevent campaign-breaking errors
  • Default recommendations typically produce acceptable results

Large Enterprises:

  • Scale benefits from standardized approaches
  • Customization offers diminishing returns at massive scale
  • Consistency across accounts simplifies management

The Gap for Growing Businesses

  • You have more knowledge than complete beginners
  • You need more control than automation provides
  • Standard defaults may not align with your specific business model
  • Customization can unlock significant performance improvements

The opportunity: By understanding these hidden settings, you gain competitive advantages that neither beginners nor automation-dependent enterprises can access.

2Setting #1: Turn Off Display Network in Search Campaigns

The Default Configuration Problem

When creating Search campaigns, Google automatically enables the Display Network with a "Recommended" label. This actually undermines performance.

What Happens When Display Is Enabled:

  • Your text-based Search ads appear on visual Display placements
  • Google may auto-generate Display creatives from your account assets
  • Performance metrics get muddied between two different channels
  • Budget gets split between high-intent Search and low-intent Display

How to Fix:

  1. Go to Campaign Settings
  2. Find "Networks" section
  3. Uncheck "Include Google Display Network"
  4. Keep "Include Google Search Partners" checked initially (test later)

Rule: Search and Display should ALWAYS be separate campaigns with separate budgets and strategies.

3Setting #2: Location Targeting Mode

The Critical Distinction

SettingWhat It Means
Presence onlyPeople physically in your targeted location
Presence or interestPeople in OR interested in your location

The Problem with "Presence or Interest"

Example: You target London for a local plumbing service.

  • Presence or interest: Someone in Paris searching "London plumber" sees your ad
  • Presence only: Only people actually in London see your ad

How to Fix:

  1. Go to Campaign Settings → Locations
  2. Click "Location options"
  3. Select "Presence: People in your targeted locations"

Impact: This setting alone can eliminate 20-40% of wasted spend on irrelevant traffic.

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4Setting #3: Primary vs. Secondary Conversions

Why This Matters

Google optimizes toward PRIMARY conversion actions. Secondary actions are tracked but don't influence bidding.

Common Mistake:

Setting micro-conversions (page views, time on site) as primary alongside real conversions (purchases, leads).

The Fix:

Action TypeShould Be
Purchases, form submissions, phone callsPRIMARY
Page views, add to cart, time on siteSECONDARY

How to Configure:

  1. Go to Tools → Conversions
  2. Click each conversion action
  3. Set "Primary" for true business outcomes
  4. Set "Secondary" for engagement metrics

5Setting #4: Ad Rotation and Assets

Ad Rotation Options

SettingBest For
OptimizeMost campaigns (let Google pick winners)
Rotate indefinitelyOnly for specific A/B tests

RSA Asset Management

  • Use all 15 headline slots
  • Use all 4 description slots
  • Review "Asset combinations" monthly
  • Replace "Low" performing assets
  • Pin only when you have strong data supporting it

Extension Best Practices

  • ☐ Sitelinks (4+ recommended)
  • ☐ Callouts (highlight benefits)
  • ☐ Structured snippets (product types, services)
  • ☐ Call extension (if phones answered)
  • ☐ Location extension (if local)

6Essential Settings Checklist

Before Every Campaign Launch

  • ☐ Display Network DISABLED in Search campaigns
  • ☐ Location targeting set to "Presence only"
  • ☐ Conversion tracking verified and working
  • ☐ Primary conversions correctly categorized
  • ☐ Correct bidding strategy for conversion volume
  • ☐ All relevant extensions added
  • ☐ Ad schedule set (or 24/7 with smart bidding)
  • ☐ Language settings match target audience

Monthly Review

  • ☐ Search Partners performance (disable if poor)
  • ☐ Device performance (adjust bids if needed)
  • ☐ Location performance (exclude underperformers)
  • ☐ Asset performance (replace "Low" performers)

Key Takeaways

ALWAYS disable Display Network in Search campaigns—it's enabled by default

Set location targeting to "Presence only" to prevent irrelevant traffic

Only purchases, leads, and calls should be PRIMARY conversions

Use all available headline and description slots in RSAs

Add all relevant extensions—they improve CTR and Quality Score

Review Search Partners performance—disable if ROAS/CPA is significantly worse

Check these settings on every campaign, every time—defaults waste money

Growing businesses benefit most from customizing settings that beginners and enterprises ignore

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Frequently Asked Questions

Google claims it extends reach, but it primarily benefits Google by increasing ad spend. Display and Search have different intents and conversion rates—mixing them hurts performance and muddies data.