Digital Marketing

24 Feb 2025

6 Ways to Reduce Ad Spend While Increasing Conversions

Deven Bhatti

Learn effective strategies to cut ad costs while increasing conversions through landing page optimization, audience targeting, and retargeting.

Digital advertising costs are rising, but you can still lower your ad spend while boosting conversions. Here's how:

  1. Optimize Landing Pages: Use clear CTAs, mobile-friendly designs, and fast load times to improve user experience and increase conversions.

  2. Target the Right Audience: Analyze customer data to focus on high-value segments and craft personalized ads.

  3. Leverage Auto-Bidding: Automate bid adjustments with strategies like Target CPA or ROAS to maximize efficiency.

  4. Run A/B Tests: Test headlines, images, CTAs, and layouts to find what works best and eliminate wasteful spending.

  5. Set Up Retargeting Ads: Re-engage visitors who didn’t convert with tailored messages and dynamic product ads.

  6. Monitor Performance: Track key metrics like CTR, CPA, and ROAS to identify inefficiencies and optimize campaigns.

5 SIMPLE Landing Page Optimization Tips to Skyrocket Your Conversion Rates

Build Better Landing Pages

A well-designed landing page is crucial for maximizing the effectiveness of your ads. By focusing on elements that encourage conversions, you can cut down on wasted ad spend and achieve better outcomes.

Key Elements of High-Converting Landing Pages

The best landing pages are simple and focused, with features that encourage visitors to take action. Keep the layout clean, and make sure essential elements like forms and call-to-action (CTA) buttons are easy to find - ideally placed above the fold [5].

Element

Purpose

Impact on Conversions

Clear CTA Button

Directs visitor action

Increases click-throughs

Mobile-Friendly Design

Ensures usability on all devices

Lowers bounce rates

Relevant Content

Aligns with ad messaging

Boosts engagement

Fast Load Time

Improves user experience

Reduces page abandonment

Simple Layout

Keeps focus on key actions

Encourages completion

Best No-Code Tools for Landing Pages

No-code platforms like Instapage and UnOptimised make it easier to create effective landing pages. These tools often include drag-and-drop builders and built-in A/B testing, so you can experiment and refine your pages [3]. For instance, UnOptimised draws insights from over 100 successful landing pages to help you apply proven tactics.

When choosing a no-code tool, prioritize features such as:

  • Drag-and-drop editors for quick design changes

  • Mobile optimization and A/B testing

  • Integration with analytics platforms

  • Dashboards for tracking performance

To refine your landing pages further, use tools like Hotjar for heatmaps and session replays, paired with Google Analytics to pinpoint areas where visitors drop off [2][7]. These insights can help you fine-tune your layout and content for better results.

Target the Right Audience

Focusing on the right audience can help you cut down on wasted ad spend and boost conversions. By zeroing in on the most relevant viewers, you can improve campaign performance and get more out of your budget.

Use Data to Find Your Audience

Start by diving into your customer data using tools like Google Analytics or social media insights. This can reveal patterns in how your best customers behave, helping you target similar groups more effectively.

Here’s a breakdown of how different data types can guide your strategy:

Data Type

What to Track

How It Helps

Demographics

Age, location, income

Pinpoints your main customer groups

Behavior

Purchase history, site visits

Highlights buying habits

Engagement

Content interaction, click rates

Shows what grabs their attention

Technical

Device type, browse time

Helps fine-tune ad delivery

Once you’ve identified your audience, the next step is crafting ads that align with their preferences and actions.

Match Ads to Customer Behavior

Targeting based on behavior often outperforms traditional methods. For example, Neutrogena achieved a £5.84 return on ad spend (ROAS) by using shopping cart data to recommend product pairings. Similarly, Aurum Brothers saw their revenue grow by 50% after grouping visitors based on behaviors like browsing patterns [3].

Here’s how you can apply behavioral targeting:

  • Set up tracking pixels to collect data on visitor actions

  • Segment your audience by specific behaviors, such as cart abandonment or pages viewed

  • Create personalized ads tailored to each group

  • Track performance and adjust your strategy based on the results

It’s worth noting that over 40% of consumers prefer ads tailored to their interests rather than generic promotions [4]. While behavioral targeting can cost nearly twice as much as contextual advertising, its higher conversion rates often make it a smarter investment.

Set Up Auto-Bidding

Auto-bidding leverages machine learning to adjust your ad bids automatically, helping you allocate your budget to the opportunities most likely to convert. This makes managing ad spend more efficient while improving results.

Types of Auto-Bidding

Each auto-bidding strategy is designed to support specific campaign goals. Here's a quick comparison:

Strategy

Ideal For

Main Advantage

Target CPA

Generating leads

Keeps cost per conversion in check

Target ROAS

Driving e-commerce sales

Focuses on maximizing return on ad spend

Maximize Conversions

Building brand awareness

Delivers the highest number of conversions within budget

For example, if you're aiming to control acquisition costs, Target CPA is a solid choice. On the other hand, if your goal is to maintain profitability while tracking revenue, Target ROAS is the way to go.

Steps to Start Auto-Bidding

1. Prepare Your Campaign

Ensure your campaign has enough conversion data for the algorithm to work effectively. Ideally, you should have at least 30 conversions in the last 30 days before transitioning to auto-bidding.

2. Select a Strategy and Set Targets

Pick a strategy that aligns with your objectives, such as Target ROAS for revenue-focused campaigns. Use past performance data to set realistic targets.

"Effective advertising often requires trial and error. Stay flexible with your strategies." - Instapage Blog

When evaluating the success of auto-bidding, keep an eye on these metrics:

  • Conversion rate trends

  • Average cost per conversion

  • Total number of conversions

  • Overall campaign spend

Allow the algorithms 1-2 weeks to adjust and optimize. During this period, avoid making significant changes to your campaign.

Pro tip: Start with a smaller budget to test auto-bidding before committing more resources.

Once auto-bidding is running smoothly, you can take your campaigns to the next level by incorporating systematic A/B testing.

Run A/B Tests

A/B testing is a smart way to figure out what works best for your campaigns. It helps you make the most of your budget by avoiding spending on things that don’t perform well.

What to Test First

Here’s a quick breakdown of elements to test and how they can affect your costs:

Element

What to Test

Impact on Cost

Headlines

Value proposition, pain points

Could lower CPL by up to 77%

Images

Product shots vs. lifestyle photos

Impacts click-through rates

CTA buttons

Color, text, placement

May boost clicks by 86%

Landing page length

Short vs. detailed content

Might cut cost per lead by 54%

Rules for Good A/B Tests

To get reliable insights that save money and improve performance, stick to these rules:

1. Test One Variable at a Time

Focus on just one element per test - like button color or headline text - so you can clearly see what’s making the difference.

2. Use Adequate Sample Sizes

Make sure your sample size is big enough for accurate results. Use your current conversion rate, the improvement you’re aiming for, and a 95% confidence level to calculate the right sample size.

3. Run Tests Long Enough

Let your tests run for at least a week to gather enough data. Tools like VWO SmartStats can speed things up without compromising accuracy [2].

4. Monitor Key Metrics

Keep an eye on metrics like:

  • Cost per conversion

  • Click-through rate

  • Bounce rate

  • Time on page

  • Overall conversion rate

For example, NatWest improved conversions and cut costs by testing a shorter mobile app page [3]. Bing also saw a 12% revenue increase through consistent testing and fine-tuning [3].

A/B testing isn’t a one-and-done deal. Start with the elements that have the biggest impact, then work on smaller tweaks over time to keep improving. Once you’ve nailed your ads with A/B testing, you’ll be ready to re-engage potential customers with targeted retargeting campaigns.

Set Up Retargeting Ads

Retargeting helps you reconnect with people who visited your site but didn’t make a purchase. These ads typically have click-through rates up to 10 times higher than regular ads, making them a cost-effective way to boost conversions.

Retargeting Methods That Work

The key to successful retargeting is delivering personalized messages to the right audience at the right moment.

Retargeting Type

Best For

Impact on Costs

Cart Abandonment

Shoppers who left items in their cart

Cuts customer acquisition costs by up to 30%

Browse Abandonment

Visitors who viewed products

Improves return on ad spend (ROAS) by 7x

Content Engagement

Readers of blogs or resources

Reduces acquisition costs by 25%

E-commerce brands often see great results with dynamic retargeting, which displays the exact products users viewed. For instance, ModCloth’s "We miss you like crazy!" campaign successfully re-engaged inactive customers, driving higher conversions while keeping acquisition costs low.

Common Retargeting Mistakes

Avoid these pitfalls to get the most out of your retargeting campaigns:

  • Overloading Your Audience: Keep ad impressions to 15-20 per month to avoid annoying users and risking ad fatigue, which can hurt your ROI.

  • Weak Audience Segmentation: Tailor your messaging based on user actions. Someone who abandoned their cart needs a different pitch than someone who just skimmed a blog post.

  • Not Excluding Recent Buyers: Exclude recent purchasers for 7-14 days unless you’re promoting complementary products. OiOi used this strategy and saw a 7x ROAS.

  • Outdated Ad Creatives: Rotate your ads regularly. Try new formats like testimonials or limited-time offers to keep users engaged.

By focusing on high-intent users, retargeting ensures your ad spend is put to good use. Pair these campaigns with email follow-ups to create multiple touchpoints and engage both known and anonymous shoppers effectively.

Once you’ve fine-tuned your retargeting strategy, keep a close eye on performance metrics to maintain strong results.

Check and Fix Ad Results

Keeping an eye on key metrics helps ensure you're spending wisely and focusing on strategies that deliver results. By tracking the right data and leveraging useful tools, you can spot areas to cut costs and boost performance.

Metrics That Matter

Here are the key performance indicators to monitor for better campaign results:

Metric

Industry Average

What It Reveals

When to Take Action

Click-Through Rate (CTR)

0.90%

How relevant and appealing your ad is

Below 0.5% needs attention

Cost Per Acquisition (CPA)

$18.68

How cost-effective your campaign is

20% above average points to inefficiencies

Conversion Rate

5.89%

Effectiveness of your landing page

Below 2% suggests optimization is needed

Return on Ad Spend (ROAS)

Varies by industry

Profitability of your campaign

Below 2x warrants a closer look

Tip: Break down conversion rates by traffic source to allocate your budget more effectively.

Tools to Simplify Tracking

To stay on top of your campaigns, tools like GA4, Facebook Ads Manager, and heat mapping software are essential:

  • GA4: Track key actions like purchases, form submissions, and email sign-ups. Its conversion tracking capabilities give you a clear picture of what's working.

  • Facebook Ads Manager: Monitor engagement, track conversions across devices, and fine-tune bidding strategies.

  • Heat Mapping Tools: Understand user behavior on your landing pages and pinpoint where visitors drop off.

Before scaling your campaigns, double-check that your conversion events are set up correctly using debugging tools. This ensures you're not wasting money on untracked conversions and provides accurate data for making smarter decisions.

Research from UnOptimised highlights that 82.2% of landing pages need adjustments based on user behavior analysis [1].

Conclusion

Using these six strategies can help cut ad costs while boosting conversion rates. In fact, marketers have reported a 23% drop in cost per acquisition without sacrificing, and sometimes even improving, conversion rates [2].

The key is to rely on a data-focused approach. Create landing pages that convert by using clear headlines and strong calls-to-action (CTAs). Tools like Hotjar can help you understand user behavior and address any roadblocks in your conversion funnel [2].

Features like auto-bidding and A/B testing are essential for fine-tuning your campaigns. Regularly testing ad components and landing pages ensures your campaigns stay effective [4]. Retargeting, when applied thoughtfully, can further increase your return on investment [6].

To stay on top of performance issues, leverage tools such as GA4 and Facebook Ads Manager. Focus on these core practices:

  • Monitoring and optimizing key metrics regularly

  • Refining ad elements through testing

  • Allocating budgets smartly and retargeting strategically

FAQs

Here are answers to some common questions about cutting ad spend while boosting conversions.

How can I lower my cost per conversion?

You can reduce your cost per conversion by making a few strategic adjustments. Start by pausing underperforming keywords, running ads during times when your audience is most active, and focusing on regions that deliver the best results. These steps can improve your click-through rates (CTR) and Quality Scores, which in turn lower your cost-per-click (CPC) [8]. Fine-tuning these elements helps you spend less while getting more out of your campaigns.

What’s considered a good conversion rate for a landing page?

Knowing industry benchmarks can help you measure and improve your landing page's effectiveness.

Industry Type

Average Rate

Good Rate

Overall Average

2-5%

10%

E-commerce

1-3%

5%

B2B Services

3-6%

12%

SaaS

5-7%

15%

To hit these numbers, focus on:

  • Crafting a clear value proposition that speaks directly to your audience

  • Writing concise, persuasive copy that solves user problems

  • Placing call-to-action (CTA) buttons where they’re easy to find and click

  • Adding trust signals like testimonials and security badges

Tools like Hotjar can help you analyze heatmaps and identify areas for improvement [2][3].

Related posts

  • How to Build a High-Converting Marketing Funnel in 5 Steps

  • Why Do Marketing Funnels Fail? 5 Common Mistakes to Avoid

  • Ultimate Guide To Funnel Entry Point Optimization

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