If you’re running Google Shopping campaigns and seeing plenty of clicks but disappointing returns, you’re not alone. This is one of the most common challenges ecommerce advertisers face—and it almost always comes down to one issue: wasted spend.
The good news? There’s a very clear, methodical way to diagnose and fix it.
The key is search term segmentation.
Let’s walk through exactly how to identify where your budget is leaking—and how to plug those holes so your campaigns become more efficient and profitable.
Why Wasted Spend Happens in Google Shopping
Unlike traditional search campaigns, Google Shopping doesn’t rely on keyword targeting. Instead, Google determines when your products appear based on your product feed, your website content, and your bidding strategy.
That automation is powerful—but it can also work against you.
If you’re not actively reviewing the search terms triggering your ads, Google may show your products for queries that are only loosely related—or worse, completely irrelevant.
And that’s where wasted spend creeps in.
What Is Search Term Segmentation?
Search term segmentation is the process of organizing your actual search queries into meaningful groups so you can analyze performance and make smarter decisions.
Instead of staring at a long, overwhelming list of search terms, you break them into categories such as:
- Brand vs. Non-Brand
- High Intent vs. Low Intent
- Product-Specific vs. Broad Searches
- Research-Oriented vs. Purchase-Oriented
This structured approach gives you clarity—and clarity leads to better optimization.
Without segmentation, you’re essentially guessing. And guessing in paid ads gets expensive fast.
Step-by-Step: How to Diagnose Wasted Spend
- Pull Your Search Term Report
Start in your Google Ads account:
Go to your Shopping campaign → click into Search Terms.
Set your date range to at least 30 days. If you have sufficient volume, extend that to 60 or 90 days to get more reliable data.
You’re looking for patterns, not anomalies.
- Identify Spend Without Conversions
Sort your search terms by cost.
Now look for queries that have:
- High spend
- Zero conversions
This is your first signal of potential wasted spend.
However, don’t rush to add these as negative keywords just yet. This is where many advertisers go wrong.
Before taking action, you need to understand the intent behind those searches.
- Segment by Search Intent
Not all non-converting queries are bad. Some simply represent different stages of the buying journey.
Here’s a practical framework to categorize them:
High Intent (Ready to Buy)
These include searches like:
- Specific product names
- Model numbers or SKUs
- Words like “buy,” “order,” or “for sale”
If these terms are getting clicks but not converting, your issue likely isn’t targeting—it’s conversion-related.
Possible problems include:
- Pricing that isn’t competitive
- Weak product pages
- Lack of reviews or trust signals
These clicks are valuable—you need to fix the funnel, not eliminate the traffic.
Mid Intent (Comparison Stage)
These searches often include:
- “Best”
- “Top”
- “Review”
- “vs”
Users are researching and comparing options.
If you’re spending heavily here without results, you need to decide whether you want to compete at this stage. Some brands lean into it with content and remarketing, while others choose to exclude these queries and focus on bottom-of-funnel traffic.
Low Intent (Broad or Irrelevant)
This is where most wasted spend lives.
Examples include:
- Very general searches like “shoes” or “tools”
- Queries that don’t match your product offering
These users aren’t ready to buy—or they’re not even looking for what you sell.
This is where your negative keyword strategy should be most aggressive.
- Segment Brand vs. Non-Brand Traffic
This is one of the most overlooked—and most impactful—segmentation strategies.
Brand Traffic
- Typically high converting
- Lower cost per acquisition
- Easier to scale profitably
Non-Brand Traffic
- More competitive
- Higher cost
- More variability in performance
If you’re lumping both into the same campaign, you’re limiting your control.
Separating brand and non-brand traffic allows you to:
- Allocate budget more effectively
- Adjust bids appropriately
- Better understand performance
- Look for Patterns, Not Just Individual Terms
It’s tempting to react to individual search terms—but that’s not scalable.
Instead, look for trends across your data:
- Are you getting traffic from “cheap” or “discount” searches that don’t convert?
- Are irrelevant product categories showing up repeatedly?
- Are certain product types attracting the wrong audience?
For example, if you sell premium products but consistently show up for budget-oriented searches, that’s a systemic issue—not a one-off problem.
Patterns reveal where real optimization opportunities lie.
Turning Insights Into Action
Once you’ve identified where your spend is being wasted, it’s time to take action.
- Build a Smart Negative Keyword Strategy
Start eliminating:
- Irrelevant queries
- Low-intent searches
- Mismatched categories
But be careful—overusing negatives can restrict valuable traffic.
The goal is precision, not overcorrection.
- Improve Campaign Structure
Better structure leads to better control.
Consider strategies like:
- Splitting campaigns by intent
- Using priority-based campaign structures
- Separating brand and non-brand campaigns
This allows you to guide traffic more effectively and bid based on value.
- Optimize Your Product Feed
Your feed determines how Google matches your products to search queries.
If you’re attracting the wrong searches, your feed may be too broad or unclear.
Focus on improving:
- Product titles (be specific)
- Product types
- Descriptions
Clear, accurate data helps Google match your products to the right queries.
- Adjust Bids Based on Performance
Once you know which segments are profitable:
- Increase bids on high-performing queries
- Reduce bids or exclude underperforming ones
This is where efficiency compounds over time.
Common Mistakes to Avoid
Before wrapping up, here are a few pitfalls to watch for:
Over-Negating
Blocking too many queries can reduce volume and hurt overall performance.
Ignoring Conversion Signals
Not all non-converting traffic is bad—some just need better landing pages or pricing.
Set-It-and-Forget-It Mentality
Search behavior evolves. Regular analysis is essential.
Final Thoughts
Success with Google Shopping isn’t about driving more clicks—it’s about driving the right clicks.
Search term segmentation gives you the visibility needed to make smarter decisions, reduce wasted spend, and improve profitability.
When you combine this approach with strong campaign structure, optimized product feeds, and disciplined ongoing management, you create a system that consistently improves over time.
And that’s the goal.
Because at the end of the day, every click costs money—so it’s your job to make each one count.
Frequently Asked Questions
- What is considered wasted spend in Google Shopping?
Wasted spend in Google Shopping refers to ad spend on clicks that are unlikely to convert into sales. This typically includes irrelevant search queries, low-intent searches, or mismatched traffic driven by overly broad product feed data. Identifying and reducing this spend is key to improving overall campaign profitability.
- How often should I review my search term report?
At a minimum, you should review your search term report every 1–2 weeks. For higher-spend accounts, weekly—or even twice-weekly—reviews are ideal. Regular analysis helps you catch wasted spend early and continuously refine your targeting.
- What’s the difference between search terms and keywords in Google Shopping?
In Google Shopping, you don’t directly bid on keywords. Instead, Google uses your product feed to determine when your ads appear. Search terms are the actual queries users type into Google that trigger your ads, and analyzing them is critical for optimization.
- Should I add all non-converting search terms as negative keywords?
No—this is a common mistake. Not all non-converting queries are bad. Some may be high-intent searches that simply need better pricing, product pages, or trust signals. Always evaluate intent before adding negatives.
- How do I identify high-intent vs. low-intent search queries?
High-intent queries usually include specific product names, model numbers, or buying signals like “buy” or “for sale.” Low-intent queries tend to be broad (e.g., “shoes”) or informational (e.g., “best running shoes”). Segmenting by intent helps you decide where to invest or cut spend.
- Why is separating brand and non-brand traffic important?
Brand traffic typically converts at a much higher rate and lower cost than non-brand traffic. Separating the two allows you to control budgets, optimize bids more effectively, and better understand performance differences between audiences already familiar with your brand and new prospects.
- Can feed optimization really reduce wasted ad spend?
Absolutely. Your product feed directly influences which search queries trigger your ads. If your titles, descriptions, or product types are too broad or unclear, Google may match your products to irrelevant searches. Improving your feed helps attract more qualified traffic and reduce wasted spend.
Need Help with Google Ads? If you’re ready to take your online store’s performance to the next level with Google Shopping Ads but need a helping hand, consider reaching out. I’m Andy Splichal, author of Make Each Click Count and host of the Make Each Click Count podcast. Whether it’s about creating high-performing Shopping Ads or mastering your overall Google Ads strategy, I’m here to help. Let’s make those clicks count!
ABOUT THE AUTHOR
Andy Splichal is the founder and managing partner of True Online Presence, author of the Make Each Click Count book series, host of the Make Each Click Count podcast, founder of Make Each Click Count University and certified online marketing strategist with twenty plus years of experience helping companies increase their online presence and profitable revenues.
He was named to Best of Los Angeles Awards’ Most Fascinating 100 List in both 2020 and 2021. To find more information on Andy Splichal, visit trueonlinepresence.com or read The Full Story on his website or his blog, blog.trueonlinepresence.com.