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Published by Tegan Elliott on April 17, 2025
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Google Ads Bidding Strategies: Let’s Optimize for Maximum ROI

Google Ads is a powerful digital marketing tool that is essential to business growth. It allows businesses to publish paid ads on Google’s search results, YouTube, and other partner sites. With billions of searches happening daily, Google Ads is able to help businesses reach their target audience quickly. Whether you own a small local shop or a global brand, the platform provides businesses with opportunities to attract customers, increase sales, and grow online visibility.

A key part of running successful Google Ads campaigns is choosing the right bidding strategy. Bidding strategies determine how much you pay for clicks, impressions, or conversions, so having the wrong one could be costly for your business. They affect how often your ads show up and how efficiently you spend your budget. Google Ads offers different bidding options, from manual control to automated strategies that use AI to determine which campaigns to bid on and what ones would be a waste. Picking the right one can mean the difference between wasting money and getting great results.

Bidding strategies matter to a wide range of users. Small businesses need cost-effective ways to compete with larger companies. Digital marketing agencies must optimize client budgets for the best return on investment. E-commerce stores rely on bidding strategies to maximize conversions and sales. No matter the industry, understanding the types of bidding strategies helps businesses get the most value from their ad spend.

Google Ads uses an auction system to decide which ads appear and in what order they are seen. When someone searches on Google, the system runs an auction in milliseconds. Advertisers bid on keywords, but the highest bid doesn’t always win. Google also looks at other factors to decide which ads to show, so make sure you’re aware of them before you begin.

Key Factors in Bidding

  • Ad Rank – Google decides an ad’s position based on bid amount, ad quality, and expected impact.

  • Quality Score – This score (1-10) measures ad relevance, expected click-through rate (CTR), and landing page experience. A high score can lower costs.

  • Cost-Per-Click (CPC) – The actual amount you pay per click, which depends on competition and Ad Rank.

  • Click-Through Rate (CTR) – The percentage of people who click on your ad after seeing it. A higher CTR means better performance.

Manual vs. Automated Bidding

  1. Manual Bidding

    • Pros: Full control over bid amounts, better for small budgets.

    • Cons: Time-consuming, requires constant monitoring.

  2. Automated Bidding

    • Pros: Uses AI to adjust bids, saves time, improves efficiency.

    • Cons: Less control, needs enough data to work well.

When deciding between manual and automated bidding you should first evaluate the goals, budget, and experience your business has in the industry. Small businesses might prefer manual control, while larger advertisers often use automation for efficiency.

Types of Google Ads Bidding Strategies

Manual CPC (Cost-Per-Click)

How It Works:
Manual CPC allows advertisers to set the maximum amount they are willing to pay for a click on their ad. Unlike automated strategies, this method allows businesses to directly control bid amounts for each keyword or ad group that is being run. If a competitor places a higher bid and has a better Ad Rank, their ad may appear above yours. 

Best Use Cases:

  • Small businesses with tight budgets. It helps control spending by setting limits.

  • New advertisers. Ideal for learning how bidding works before using automation.

  • High-value keywords. Gives control over bids for important search terms.

  • Stable campaigns. Works well when there is no need for frequent bid adjustments.

Pros:

  • Full control over bids.

  • Better for low-budget campaigns.

  • Useful for testing keywords before automating.

Cons:

  • Requires time and effort.

  • No AI optimization for conversions.

  • Mistakes can lead to overspending or missed opportunities.

Manual CPC is best for those who want control of their ad spend and don’t mind managing bids regularly. However, it can be time-consuming, especially for large campaigns. When running this type of campaign it is crucial to regularly manage and update these bidding strategies to minimize wasted ad spend. 

Automated Bidding Strategies

Enhanced CPC (ECPC)

Enhanced CPC is a mix of manual and automated bidding strategies. This bidding strategy lets advertisers set base bids while Google adjusts them to increase the chances of a conversion. If Google’s system predicts a higher chance of a sale or lead, it raises the bid automatically. If the chances are low, it lowers the bid to minimize losses.

Best Use Cases:

  • Businesses looking for more conversions but still want some control over bids.

  • Advertisers who already have conversion tracking set up.

Pros:

  • Increases conversion chances.

  • Maintain some manual control.

Cons:

  • Still requires bid adjustments.

  • Not fully automated.

Maximize Clicks

Maximize Clicks is a fully automated strategy where Google sets bids to get as many clicks as possible within the budget that you have set. It does not focus on conversion value, only the number of clicks that the ad is getting.

Best Use Cases:

  • Businesses looking to drive traffic quickly.

  • Brand awareness campaigns.

Pros:

  • Helps get more visitors.

  • Simple to set up.

Cons:

  • Does not focus on conversions.

  • Can attract low-quality traffic.

Target CPA (Cost-Per-Acquisition)

Target CPA is a way to set bids in order to get conversions at a set cost per acquisition. Google adjusts bids based on past data to meet the CPA goal. This strategy works well for businesses focused on getting leads or sales at a fixed cost.

Best Use Cases:

  • Businesses that track conversions and want to control costs.

  • Lead generation and e-commerce campaigns.

Pros:

  • Helps control cost per conversion.

  • Uses AI to optimize bids.

Cons:

  • Needs enough conversion data to work well.

  • Might not work for low-budget campaigns.

Target ROAS (Return on Ad Spend)

Target ROAS focus on getting you the best return on investment. Google adjusts bids to get the highest revenue based on a set ROAS goal. For example, if the target ROAS is 400%, Google will try to generate $4 in revenue for every $1 spent. The most important thing to note here is that if your goal is not realistic you will lose out on leads.

Best Use Cases:

  • E-commerce businesses that track revenue.

  • Companies with stable sales data.

Pros:

  • Maximizes revenue.

  • Uses AI for smarter bidding.

Cons:

  • Needs strong historical data.

  • Can limit ad reach if goals are too high.

Maximize Conversions

This strategy automatically sets bids to get the most conversions within the budget that you have set. Google’s AI adjusts bids based on signals like device, time of day, and user behavior.

Best Use Cases:

  • Businesses looking for more leads or sales without worrying about cost per conversion.

  • Campaigns with a clear conversion goal.

Pros:

  • Simple to use.

  • Fully automated.

Cons:

  • No control over individual bids.

  • Can overspend if not monitored.

Maximize Conversion Value

This strategy works like Maximize Conversions but focuses on the value of conversions rather than the volume of conversions. Google adjusts bids to bring in the highest value sales or leads within the budget.

Best Use Cases:

  • E-commerce businesses focusing on high-value sales.

  • Companies looking to maximize profit rather than just conversions.

Pros:

  • Increases overall revenue.

  • Fully automated.

Cons:

  • Needs conversion tracking with values.

  • Can spend too much if not optimized.

Target Impression Share

This strategy helps ads appear in a specific percentage of searches. Your business can choose to appear at the top, absolute top, or anywhere on the page. Google then sets bids to reach that goal thanks to your ads.

Best Use Cases:

  • Brand awareness campaigns.

  • Businesses who want to dominate search results.

Pros:

  • Ensures high visibility.

  • Good for competitive markets.

Cons:

  • Does not focus on conversions.

  • Can lead to high CPC costs.

Choosing the Right Bidding Strategy for Your Business

Selecting the best bidding strategy for your business depends on your goals, budget, and competition in your industry. Each strategy serves a different purpose, so choosing the right one can improve your ad performance. The best way to make sure that the strategy you choose is right for your business is to evaluate the goals, budget and competition that your business has. After evaluating these measures than it will be easier to identify which strategy will work best for your business. 

Matching Bidding Strategies with Campaign Goals

  • Traffic (More Website Visitors)

    • Best Strategy: Maximize Clicks

    • Why? This strategy helps drive as many visitors as possible within your budget. It works well for businesses focusing on brand awareness or growing an audience.

  • Conversions (More Leads or Sales)

    • Best Strategies: Target CPA, Maximize Conversions, Enhanced CPC

    • Why? These options help businesses get more leads or sales by focusing on conversions rather than just clicks. Target CPA ensures cost control, while Maximize Conversions aims for the highest possible results.
    •  
  • Brand Awareness (More Visibility in Search Results)

    • Best Strategies: Target Impression Share, Maximize Clicks

    • Why? These strategies help businesses appear in more searches. Target Impression Share is ideal for companies wanting to dominate results, while Maximize Clicks helps attract visitors.

  • Revenue Growth (Higher ROI on Ad Spend)

    • Best Strategy: Target ROAS

    • Why? This strategy focuses on maximizing revenue rather than just conversions. It is perfect for e-commerce businesses tracking their return on investment.

Factors to Consider When Choosing a Bidding Strategy

  • Budget: Small budgets may require manual CPC for better control, while larger budgets can benefit from automated bidding.

  • Competition: Highly competitive industries might need aggressive bidding strategies like Target Impression Share or Target ROAS.

  • Industry: Lead generation businesses may prefer Target CPA, while e-commerce stores might choose Maximize Conversion Value.

  • Ad Format: Search ads work well with Maximize Clicks or Target CPA, while display ads may need strategies focused on visibility.

When to Switch Google Ads Bidding Strategies

  • If performance is low: If you’re not getting enough clicks, leads, or conversions, try a different approach.

  • If your goals change: A business focusing on traffic may later want to optimize for sales.

  • If competition increases: A rise in competitors may require a more aggressive bidding strategy.

  • If automated strategies don’t perform well: If AI-driven bidding doesn’t bring results, manual bidding might work better.

Testing and adjusting strategies over time ensures you get the best results for your budget and goals. Make sure to monitor your strategies on a daily or weekly basis depending on if your strategy is manual, automated or a mix of both. 

Advanced Google Ads Bidding Strategies and Best Practices

To get the best results from Google Ads, businesses can use advanced strategies to fine-tune bidding. These methods help improve performance and maximize ad spend to ensure your ads are doing the most they can for your business.

Using Bid Adjustments for Devices, Locations, and Audiences

Bid adjustments let advertisers increase or decrease bids based on performance. This helps target the right audience more effectively.

  • Devices: If mobile users convert better, increase mobile bids. If desktop traffic performs worse, lower your bids.

  • Locations: Adjust bids for high-performing regions. Lower bids in areas with low engagement.

  • Audiences: Increase bids for returning visitors, past buyers, or high-intent users.

Seasonality Adjustments for Automated Bidding

During peak seasons (holidays, sales events), conversion rates may rise. Automated strategies might not adjust fast enough. Google allows advertisers to set seasonality adjustments, telling the system to expect higher conversions. This is useful for short-term sales spikes to ensure you’re getting the most out of your ad spend.

Combining Smart Bidding with Audience Targeting

Smart Bidding works best when combined with strong audience targeting. By focusing on high-value segments, businesses can improve conversion rates. Some effective audience types include:

  • Remarketing audiences (past visitors, cart abandoners).

  • Customer match (existing customer lists).

  • Lookalike audiences (similar to past buyers).

Pairing these with automated bidding improves efficiency and reduces wasted spend.

A/B Testing Different Bidding Strategies

Running a variety of A/B tests supports you in determining which strategy works best. Try running two similar campaigns with different bidding methods to get the most of your investment. Compare performance metrics like cost-per-click (CPC), conversion rate, and return on ad spend (ROAS). This helps find the best approach for your business.

How to Analyze Bid Performance and Optimize Accordingly

Regularly review key metrics to adjust bids for better results:

  • Cost-Per-Click (CPC): Lower CPC can mean cost savings, but too low may reduce visibility.

  • Conversion Rate: If conversions drop, adjust bids or targeting.

  • Return on Ad Spend (ROAS): If ROAS is low, refine targeting or increase high-performing bids.

  • Impression Share: If ads don’t appear often, increase bids or improve quality score.

By applying these best practices, businesses can optimize Google Ads performance and maximize results.

Common Mistakes to Avoid in Google Ads Bidding

Even with the best strategies, bidding mistakes can waste budget and reduce performance. Here are some common errors and how to avoid them.

Setting Unrealistic Bid Limits

Many advertisers set bids too high or too low. If bids are too high, they may overspend without enough return. If too low, ads may not show often enough to drive results.

Solution: Start with a balanced bid. Monitor performance and adjust over time based on CPC and conversion data.

Not Tracking Conversions Properly

Without proper tracking, advertisers can’t see what’s working. If conversion tracking is not set up, automated bidding strategies like Target CPA or Maximize Conversions won’t work correctly.

Solution: Set up Google Ads conversion tracking. Ensure key actions like purchases, form submissions, or calls are measured.

Ignoring Quality Score

Quality Score affects both Ad Rank and CPC. A low Quality Score means paying more for lower rankings. Many advertisers focus only on bids, ignoring ad relevance and landing page experience.

Solution: Improve ad copy, target the right keywords, and optimize landing pages for better user experience.

Misusing Automated Bidding

Automated bidding can be powerful, but it needs the right data. Some businesses switch to automation without enough historical data. Others choose the wrong strategy for their goals.

Solution: Use automated bidding only if the campaign has enough conversions. Test manual bidding first to gather data before switching.

Overlooking Bid Adjustments

Bid adjustments help fine-tune ad spending. Ignoring them means missing opportunities to improve performance. For example, a business may pay the same for desktop and mobile clicks, even if mobile converts better.

Solution: Regularly analyze performance by device, location, and audience. Adjust bids to focus on high-performing areas.

By avoiding these mistakes, advertisers can make better use of their budget and improve Google Ads results.

Choosing the right Google Ads bidding strategy is key to running a successful campaign. Manual CPC gives control, while automated bidding helps optimize for clicks, conversions, or revenue. Each strategy serves a different purpose, and the best choice depends on campaign goals, budget, and competition.

To get the best results, businesses should:

  • Match bidding strategies with their objectives (traffic, conversions, brand awareness).

  • Use bid adjustments for devices, locations, and audience targeting.

  • Track conversions properly to optimize performance.

  • Test different bidding strategies to find the most effective one.

  • Avoid common mistakes like ignoring Quality Score or misusing automation.

No single strategy works for every campaign. Advertisers should monitor performance, make data-driven adjustments, and refine their approach over time. Regular testing and analysis will help improve ad visibility, lower costs, and maximize returns.

Google Ads is always evolving, and bidding strategies should evolve too. By staying informed and making smart adjustments, businesses can achieve better ad performance and higher profits.

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