How to Improve ROAS on Google Ads: 12 Proven Strategies

Why Google Ads ROAS Matters

Google Ads remains the highest-intent paid advertising channel. People searching on Google are actively looking for solutions, making it the most efficient platform for driving direct response conversions. But high intent does not automatically mean high ROAS.

The difference between a 2x and a 6x ROAS on Google Ads comes down to optimization across keywords, ads, bidding, and post-click experience. Here are twelve strategies that consistently move the needle.

Strategy 1: Ruthlessly Manage Your Search Term Report

The search term report is where money goes to die — or to thrive. Every week, you should:

• Download search terms for the past 7 days
• Add irrelevant terms as negative keywords (exact match negatives for specific terms, phrase match for patterns)
• Identify high-converting terms that are not in your keyword list — add them as dedicated keywords
• Flag terms with high spend and no conversions for exclusion

Strategy 2: Separate Brand and Non-Brand Campaigns

This is fundamental but often overlooked. Brand keywords (searches containing your company name) convert at 5-10x the rate of non-brand keywords and have much lower CPCs.

When brand and non-brand are in the same campaign:

• Brand keywords consume most of the budget because they convert better
• The algorithm over-optimizes for brand and under-invests in non-brand
• Your blended ROAS looks great but masks poor non-brand performance
• You cannot accurately evaluate true acquisition ROAS

Strategy 3: Build Single Theme Ad Groups

Loose keyword groupings lead to generic ad copy that does not match search intent. Tight ad groups allow you to write highly specific ads that match exactly what the user searched for.

• Ad Group: "Marketing Software"
• Keywords: marketing automation, email marketing tool, marketing analytics platform, CRM software

• Ad Group 1: "Marketing Automation" — keywords and ads focused on automation
• Ad Group 2: "Email Marketing Tool" — keywords and ads focused on email
• Ad Group 3: "Marketing Analytics" — keywords and ads focused on analytics
• Ad Group 4: "CRM Software" — keywords and ads focused on CRM

Tighter ad groups mean higher ad relevance, higher Quality Score, lower CPCs, and higher conversion rates — all of which improve ROAS.

Strategy 4: Optimize Your Quality Score

Quality Score directly impacts how much you pay per click. A Quality Score of 8 can give you 30-50% lower CPCs than a score of 5 for the same keyword.

Quality Score is determined by three factors:

| Factor | Weight | How to Improve |

|---|---|---|

| Expected CTR | ~40% | Write compelling ad copy, use ad extensions, test headlines |

| Ad Relevance | ~25% | Match ad copy closely to keywords in the ad group |

| Landing Page Experience | ~35% | Fast page speed, relevant content, mobile optimization |

• Include the exact keyword in at least one headline
• Use the keyword in the display URL path
• Ensure landing page content matches the ad promise
• Improve page load speed (aim for under 3 seconds on mobile)
• Make sure landing pages are mobile-friendly with thumb-friendly CTAs

Strategy 5: Use the Right Bid Strategy

| Your Situation | Recommended Strategy | Why |

|---|---|---|

| New campaign, limited data | Manual CPC or Maximize Clicks | Build conversion data first |

| 15-30 conversions/month | Maximize Conversions or Maximize Conversion Value | Let Google optimize with growing data |

| 30+ conversions/month | Target CPA or Target ROAS | Enough data for target-based optimization |

| 50+ conversions/month | Target ROAS with portfolio strategy | Maximum algorithmic efficiency |

• When setting a Target ROAS, start 10-20% below your goal to give the algorithm room
• Never change your target by more than 15-20% at once — large changes reset learning
• Use portfolio bid strategies across similar campaigns to pool conversion data
• Set bid limits on expensive keywords if using Target ROAS
• Allow 2 weeks of learning period after any bid strategy change

Strategy 6: Leverage Audience Layering

Audiences on Google Search are underutilized. Layer these audiences on top of your keyword targeting:

• In-market audiences: Increase bids 20-30% for users actively shopping in your category
• Remarketing lists: Increase bids 30-50% for past site visitors
• Customer match: Increase bids for existing customers on cross-sell campaigns
• Similar audiences: Increase bids 10-20% for users similar to your converters

• RLSA (Remarketing Lists for Search Ads): Bid on broader keywords but only show to past visitors
• Customer match exclusions: Exclude existing customers from acquisition campaigns

Strategy 7: Optimize Ad Extensions

Ad extensions increase your ad's real estate, improve CTR, and provide additional conversion paths — all improving ROAS.

| Extension Type | ROAS Impact | Priority |

|---|---|---|

| Sitelink Extensions | High — direct links to key pages | Must-have |

| Callout Extensions | Medium — highlight key benefits | Must-have |

| Structured Snippets | Medium — showcase product features | Must-have |

| Call Extensions | High for B2B — direct phone conversions | High for lead gen |

| Price Extensions | High — pre-qualifies clicks by price | High for e-commerce |

| Promotion Extensions | High during sales — highlights offers | Seasonal priority |

| Image Extensions | Medium-High — visual differentiation | Recommended |

| Lead Form Extensions | High — captures leads without click | Test for lead gen |

Use all applicable extensions. Google selects which to show based on predicted performance.

Strategy 8: Implement Conversion Value Tracking

If you are tracking all conversions with the same value (or no value at all), your bid algorithms cannot optimize for ROAS. Feed actual revenue data:

This data allows Target ROAS bidding to prioritize clicks that generate revenue, not just conversions.

Strategy 9: Optimize for Mobile Separately

Mobile and desktop users behave differently and convert at different rates. Do not treat them the same.

| Metric | Desktop | Mobile |

|---|---|---|

| CPC | Higher | Lower |

| Conversion Rate | Higher | Lower |

| ROAS | Higher | Lower |

| Traffic Volume | Lower | Higher |

• Set mobile bid adjustments based on your actual mobile ROAS data
• Create mobile-optimized landing pages with click-to-call and simplified forms
• Use shorter, punchier ad copy that works on smaller screens
• Consider call-only campaigns for high-value phone leads on mobile
• Test accelerated mobile pages (AMP) for faster load times

Strategy 10: Use Performance Max Strategically

Performance Max (PMax) campaigns use Google's AI to run ads across Search, Shopping, Display, YouTube, Gmail, and Discover. When set up correctly, they can deliver strong ROAS.

• Feed high-quality product data through your Merchant Center feed
• Upload a variety of creative assets (images, videos, headlines, descriptions)
• Set up audience signals using your best customer data
• Use URL expansion carefully — restrict to relevant landing pages
• Run PMax alongside standard Search campaigns (PMax does not cannibalize exact match)
• Monitor asset group performance and replace low-performing assets

• Do not combine wildly different products in one asset group
• Do not set ROAS targets too aggressively at launch — start 20% below your goal
• Monitor what PMax is doing through the Insights tab and search term report
• Exclude brand terms if you want clean non-brand PMax performance data

Strategy 11: Implement Enhanced Conversions

Standard conversion tracking misses conversions due to cookie restrictions, cross-device behavior, and browser privacy features. Enhanced Conversions captures these missed events by matching first-party data (hashed email, phone, name) to Google accounts.

• Typically recovers 5-15% of previously untracked conversions
• Improves bid algorithm accuracy, leading to 5-10% ROAS improvement
• Better cross-device attribution for multi-touch journeys

Set up Enhanced Conversions through Google Tag Manager or your server-side integration.

Strategy 12: Test Broad Match with Smart Bidding

The old advice was to avoid broad match keywords. In 2026, broad match combined with Target ROAS bidding can outperform exact match in many scenarios.

• At least 30 conversions per month in the campaign
• Target ROAS or Target CPA bidding is active
• You are actively monitoring and adding negative keywords
• Conversion tracking is accurate with conversion values
• You have a strong negative keyword list to filter junk

Putting It All Together: A 30-Day ROAS Improvement Plan

• Separate brand and non-brand campaigns
• Add negative keywords from search term analysis
• Set up all relevant ad extensions
• Implement Enhanced Conversions

• Reorganize ad groups by theme
• Set up conversion value tracking
• Adjust bid strategies based on conversion volume
• Add audience layers with bid adjustments

• Audit landing page speed and mobile experience
• Match landing page headlines to top keywords
• Launch A/B tests on highest-traffic landing pages
• Fix Quality Score issues on key campaigns

• Launch Performance Max with proper asset groups
• Test broad match with Smart Bidding
• Review mobile performance and adjust bids
• Analyze results and plan next phase

Get Expert Google Ads Optimization

At Digital Point LLC, we manage Google Ads accounts ranging from $10k to $200k per month in spend. Our team applies these twelve strategies and more to consistently deliver top-quartile ROAS for our clients.