Managing Google Ads campaigns manually can be a daunting task. Constantly tweaking bids and individual keywords based on performance patterns has grown increasingly complicated with the dynamic nature of digital advertising. As competition becomes fiercer and user behaviour more unpredictable, keeping up with every aspect can be quite challenging.
Google’s Smart Bidding offers a modern solution through machine learning. By automatically adjusting bids in real time, it considers various factors such as competition, device, and user intent. This technology allows advertisers to reach their objectives more efficiently without manual intervention. In this discussion, different strategies for Smart Bidding will be examined, with insights on when each is best applied to achieve desired campaign outcomes.
Key Takeaways
- Smart Bidding automates bid adjustments with machine learning.
- Different strategies suit different campaign goals.
- They streamline campaign management effectively.
Five Strategies for Google Ads Automated Bidding (+How and When to Implement Them)
1. Aim for ROAS (Return on Advertising Spend)
The aim for ROAS strategy adjusts bids with the goal of achieving the best possible profit from the amount spent on ads, focusing on the value of each conversion. Businesses that aim to enhance revenue rather than just boost conversion rates can greatly benefit from this approach.
One must set realistic targets based on past performance to ensure success. For instance, if previous campaigns achieved a 300% ROAS, this strategy aims to return £3 for every £1 spent.
When to Implement:
- Online Sales: Ideal for businesses looking to maximise the value of their sales while keeping returns profitable.
- Revenue-Oriented Campaigns: Perfect for campaigns that can identify a clear value for each conversion.
When to Avoid: This approach might not be suitable for campaigns with low conversion numbers or where the conversion value is uncertain.
2. Aim for a Specific CPA (Cost Per Acquisition)
The aim for a specific CPA strategy seeks to acquire as many conversions as possible at or below the specified cost per acquisition. It adjusts bids automatically to meet the target CPA, balancing the competition and timing of auctions. This method gives advertisers control over costs while optimising for more conversions.
Setting achievable CPA targets based on historical outcomes is key. If your campaigns previously saw a CPA of £50, setting a similar target can optimise bid adjustments for conversions at or below this cost.
When to Implement:
- Acquiring Leads: Ideal for organisations focused on obtaining new leads, like contact forms or newsletter sign-ups, at a specified cost.
- Budget Control: Essential for businesses that need consistent costs for each conversion and understand the financial value of a lead.
When to Avoid: Avoid using this strategy if the amount of conversions is insufficient for informed bidding optimisation.
3. Boost Conversions
The boost conversions strategy automatically sets bids to achieve the highest number of conversions within a daily budget. It focuses on maximising conversions rather than controlling the cost per conversion, sometimes leading to varied costs.
For example, with a £200 daily budget, this strategy will aim to get as many leads or sales within that amount, driven by the conversion cost.
When to Implement:
- Limited Budgets: Ideal for those wanting to maximise the conversion count with a set budget.
- High-Volume Goals: Perfect for campaigns prioritising quantity of leads or sales without focusing on conversion costs.
When to Avoid: This may not suit campaigns needing strict cost control or specific CPA or ROAS targets.
4. Enhance Conversion Value
This strategy aims to maximise the total worth of conversions rather than their sheer number. It optimises bids based on the expected revenue each conversion can generate, making it ideal for campaigns aimed at maximising overall revenue.
For example, if you’re promoting products with different price points, like items ranging from £10 to £500, this strategy will prioritise bids for higher value purchases.
When to Implement:
- Focusing on Revenue: Best for e-commerce campaigns that need to prioritise high-value conversions to increase revenue.
- Variable Conversion Values: Useful when conversion values differ notably between products or services.
When to Avoid: This strategy will not be effective if conversion values aren’t tracked or assigned.
5. Increase Click Volume
The increase click volume strategy aims to drive as much traffic to a site as possible within a set daily budget. It adjusts bids to attain this goal, focusing on traffic rather than conversions.
For example, with a £100 daily budget and an average CPC of £2, this strategy will aim for the highest number of clicks, providing 50 clicks for the day if possible.
When to Implement:
- Brand Awareness: Effective for raising traffic and enhancing brand visibility.
- Cost-Effective Traffic: Suitable when generating maximum traffic is the primary aim during the awareness stage of a marketing funnel.
When to Avoid: If the campaign’s main focus is on generating conversions or sales, then considering other strategies like target CPA or boosting conversions would be more appropriate.
Be Wise with Your Smart Bidding Plan
Smart Bidding in Google Ads uses automation and machine learning to help businesses achieve their advertising aims. By analysing historical data and tracking conversions, it enhances decision-making for campaign performance. Advertisers can select from various strategies, aligning with objectives such as lead generation, ecommerce goals, or boosting brand awareness.
- Target CPA is beneficial for managing cost per conversion, keeping expenditure in check.
- Target ROAS focuses on getting the most value from each conversion, ideal for revenue growth.
Utilise Maximise conversions if generating a high volume of leads is vital and cost control is secondary. If increasing revenue takes precedence, Maximise conversion value is recommended. For expanding reach and drawing traffic, Maximise clicks enhances exposure.
Incorporating remarketing lists, in-market audiences, and enhanced CPC can further tailor campaigns, adapting them to user behaviour and preferences. Adjusting the daily budget ensures spending aligns with marketing goals, ensuring effective resource allocation.
Common Questions
How is Smart Bidding Different from Manual Bidding in Google Ads?
Smart Bidding uses Google’s AI to set the best bid to help improve ad performance. It looks at signals like device, time, and location to make bids for each auction automatically. Manual bidding requires people to decide on bids, focusing only on a few factors.
What are Key Strategies in Google Ads Smart Bidding?
Google Ads Smart Bidding has several strategies: Target CPA (Cost Per Acquisition) focuses on gaining conversions at a set cost. Target ROAS (Return on Ad Spend) seeks high return compared to ad spend. Maximise Conversions aims for the most conversions within budget. Maximise Conversion Value looks for the highest conversion value.
How Does Auction-Time Bidding Work in Google Ads?
Auction-time bidding places bids when a search happens, using signals from users, contexts, and ad placements. This quick decision-making helps get the best results for each ad auction.
Why Combine Smart Bidding with Broad Match Keywords?
Using Smart Bidding with broad match keywords boosts ad visibility and conversion rates. Broad match captures a wide range of search phrases. The AI then adapts bids to find potential customers, resulting in better performance.
Recommended Minimum Conversions for Effective Smart Bidding
For Smart Bidding to work well, it’s advised that campaigns have around 15-20 conversions monthly. This volume gives the system enough data to optimise effectively.
Is ‘Maximise Clicks’ Part of Smart Bidding in Google Ads?
‘Maximise Clicks’ isn’t considered a Smart Bidding strategy. It’s a part of automated bidding aiming to increase ad clicks within a budget, without focusing directly on conversions.

Chris Giles Snr built his first client website in 1995 and has remained at the leading edge of web development and SEO ever since. He is a Fellow of The Chartered Institute of Marketing (FCIM).



