Google Ads

Google Ads lets you bid on keywords to show ads in Google search results and partner sites.

Key Concepts

• CPC — Cost Per Click
• Quality Score — ad relevance (1-10)
• Ad Rank = CPC bid × Quality Score
• CTR — Click-Through Rate

Syntax

DIGITAL-MARKETING

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Campaign Structure:
Campaign → Ad Group → Keywords → Ads

# Example
Campaign: "Online Courses"
  Ad Group: "Marketing Course"
    Keywords: "digital marketing course"
    Ad: "Learn Digital Marketing | SukhNexus Academy"

CPC and ROAS Calculator

PYTHON

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def calculate_ad_metrics(cost, clicks, conversions, revenue):
    return {
        "cpc": round(cost / clicks, 2) if clicks else 0,
        "ctr": round((clicks / 1000) * 100, 2),
        "conversion_rate": round((conversions / clicks) * 100, 1) if clicks else 0,
        "roas": round(revenue / cost, 2) if cost else 0,
        "cpa": round(cost / conversions, 2) if conversions else 0
    }

metrics = calculate_ad_metrics(cost=500, clicks=200, conversions=15, revenue=2000)
print("Google Ads Metrics:")
for key, val in metrics.items():
    print(f"  {key:16}: {val}")

Try It Yourself

Practice

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Exercise

What is Quality Score?

Answer

Google's rating of ad relevance (1-10). Higher quality = lower cost per click and better ad position.

Quick Quiz

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What determines Ad Rank?

Only bid amount

Only quality score

Bid × Quality Score

Number of clicks

Ad Rank = CPC bid × Quality Score. Both matter.

Retry Quiz

Interview Questions

How do you lower Google Ads costs?

Improve Quality Score by writing relevant ads, using targeted keywords, and optimizing landing pages. Higher quality = lower CPC.

Tutorial Complete

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