How to Build a Google Ads Wasted Spend Report (And Actually Fix What You Find)

If you're running Google Ads and haven't looked closely at where your budget is quietly leaking, you're almost certainly paying for traffic that will never convert. The frustrating part is that Google Ads doesn't give you a single "wasted spend report" you can pull up with one click. It's not a native feature. It's something you build by working through the right data across your search terms, keywords, and campaign settings.

That's exactly what this guide walks you through. Six steps to surface the spend that isn't driving conversions, turn your findings into a clear action list, and document everything in a format you can actually use—whether you're reporting to a client or just keeping your own accounts tidy.

A quick note on terminology before we start: throughout this guide, "search terms" refers to what users actually typed into Google. "Keywords" refers to what you bid on. These are not the same thing, and the distinction matters a lot when you're diagnosing where budget is going. A single keyword can trigger dozens of different search terms, and some of those terms will be completely irrelevant to your offer.

Whether you're managing one account or twenty, the process below is the same. By the end, you'll have a repeatable workflow for identifying budget waste and a concrete action list to fix it.

Step 1: Pull Your Search Terms Report and Set the Right Date Range

The search terms report is your starting point. To find it, go to Google Ads, open a campaign, and click the "Search terms" tab. You can also access it through the Keywords section in the left navigation, then selecting "Search terms" from the submenu.

Before you do anything else, set your date range. A minimum of 30 days gives you enough data to see patterns, but 90 days is better for lower-volume accounts where weekly fluctuations can be misleading. If you're working with a high-spend account, 30 days is usually sufficient to surface the biggest issues.

Next, make sure you have the right columns visible. You'll want: Search term, Match type, Clicks, Impressions, Cost, Conversions, and Conv. value. If you don't see all of these, click the columns icon and add them. Cost and Conversions are the two you'll be sorting and filtering by throughout this process.

You can work directly in the interface or download the report as a CSV. Working in the interface has the advantage of letting you take action immediately without switching tools. Downloading to a spreadsheet gives you more flexibility for sorting and annotating—useful when you're auditing multiple campaigns at once.

One important limitation to know: Google filters out search terms that received very few impressions. This means the report doesn't show you every query that triggered your ads. The data you're working with is real and actionable, but it's not exhaustive.

If you're managing multiple campaigns, segment your view by campaign or ad group before you start flagging terms. This keeps your findings organized and makes it easier to decide whether negatives should be applied at the campaign level or account level later on.

Step 2: Find the Search Terms Spending Money Without Converting

With your report open and your date range set, sort by Cost descending. This puts the most expensive search terms at the top, which is where you want to start. You're looking for spend that isn't producing results.

Flag any search term that has meaningful spend and zero conversions. What counts as "meaningful" depends on your account. A reasonable starting point is any search term that has spent more than your target CPA without generating a single conversion. If your target CPA is $50 and a search term has spent $75 with no conversions, it's worth flagging.

As you work through the list, look for these common patterns of irrelevant traffic:

Informational queries: Terms like "how to," "what is," "free," or "DIY" typically indicate someone researching, not buying. If you're selling project management software, a search term like "free project management templates" might be costing you real money with no chance of converting.

Geographic mismatches: If you serve specific locations, watch for search terms that include city names, regions, or country references outside your service area.

Competitor or brand queries you don't serve: If users are searching for a specific competitor's product name and landing on your ad, they're probably not going to convert.

High impressions, very low CTR: A search term that's getting many impressions but almost no clicks signals poor relevance. This hurts your Quality Score even if the direct spend is low, because it tells Google your ad isn't a good match for that query.

As you flag each term, note the match type that triggered it. Broad match keywords are the most common source of irrelevant search terms because they give Google the most latitude to match your keywords to queries. If you see a pattern of irrelevant terms all coming from one broad match keyword, that's a signal the keyword itself may need to be tightened or restructured.

For each flagged term, make a quick decision: add it as a negative keyword, or investigate further before acting. Don't overthink it at this stage. You're building a list, not making final calls yet.

Step 3: Review Keyword-Level Spend for Underperformers

The search terms report shows you what users typed. The keywords view shows you what you're bidding on and how each keyword is performing in aggregate. Both views are necessary for a complete wasted spend picture.

Switch to the Keywords view and sort by Cost descending. You're looking for keywords that are spending heavily but producing weak results relative to your account average.

The first thing to check is conversion rate. A keyword that's spending at the top of your list but converting well below your account average is a candidate for a bid reduction, match type change, or pause. Don't make that call based on spend alone—look at the conversion rate and cost per conversion together.

Next, check Quality Score for your top-spend keywords. Quality Score is visible as a column in the Keywords view (it's a 1–10 scale). A score of 1–4 means Google considers your ad relevance, expected CTR, and landing page experience to be below average for that keyword. Low Quality Score means you're paying more per click than competitors with better-optimized ads. A keyword with a low Quality Score and high spend is expensive in two ways: you're wasting the budget you're spending, and you're paying inflated CPCs for the privilege.

Pay attention to average CPC as well. Keywords with very high CPCs that consistently miss your target CPA threshold are draining budget quickly. These might be worth keeping if they occasionally convert at high value, but if they're consistently missing, they deserve scrutiny.

Review match types across your keyword list. Broad match keywords without a strong negative keyword list are among the most common sources of wasted spend. A broad match keyword can match to a wide range of search terms, some of which will be completely off-target. If you see broad match keywords with high spend and poor performance, check what search terms they're generating before deciding whether to pause them or simply tighten the match type.

This is an important nuance: a keyword can look acceptable at the keyword level while generating terrible search terms underneath it. Always cross-reference the keywords view with the search terms report. A keyword with a 3% conversion rate might be getting that rate from two or three good search terms while dozens of irrelevant ones drain the rest of the budget.

For each underperforming keyword, decide on one of these actions: pause it, reduce the bid, tighten the match type (for example, from broad to phrase), or add negatives to filter out the bad search terms it's triggering.

Step 4: Build Your Negative Keyword List from the Flagged Terms

Take every irrelevant search term you flagged in Step 2 and work through the negative keyword match type decision for each one. This step is where most guides oversimplify things, so let's be specific.

There are three negative match types, and they behave differently:

Negative exact match: Blocks only that specific query. Use this when a term is close to something you do want to target but isn't quite right. For example, if you sell premium project management software and "project management software free" keeps triggering your ads, a negative exact match on [project management software free] will block that specific query without affecting other related searches.

Negative phrase match: Blocks any query containing that phrase. Use this for clearly irrelevant topic clusters. If you're seeing a pattern of queries containing "free templates," adding "free templates" as a negative phrase match will block all queries with that phrase in them, not just one specific version.

Negative broad match: Blocks queries containing any of the specified words in any order. Use this carefully. It's the broadest form of exclusion and carries the highest risk of accidentally blocking searches you actually want. If you add "free" as a negative broad match, you might block queries like "software free trial" that could be relevant.

Once you've decided on the match type for each negative, decide where to apply it. If an irrelevant term is specific to one ad group, add the negative at the ad group level. If it's irrelevant across an entire campaign, add it at the campaign level. If the same irrelevant terms are appearing across multiple campaigns, add them to a shared negative keyword list so the exclusion applies everywhere at once without having to duplicate the work.

Before you apply any negative, check for overlap. The most common mistake at this stage is adding a negative that accidentally blocks a search term that's been converting. Pull your converting search terms, compare them against your planned negatives, and confirm there's no conflict. This takes a few extra minutes and can save you from cutting off traffic that was actually working.

If you're doing this work directly inside the Google Ads Search Terms Report, Keywordme lets you add negatives with a single click without leaving the interface or exporting to a spreadsheet. You review the term, decide it's irrelevant, and add it as a negative right there. It's a workflow accelerator, not an automated decision-maker—you're still making the call on what to exclude.

Step 5: Audit the Campaign Settings That Quietly Drain Budget

The search terms report shows you a lot, but it doesn't show you everything. Some budget waste happens at the campaign settings level and won't appear in any keyword or search term data. This step covers the settings most likely to be quietly spending your budget without delivering results.

Search Partners: This setting, found under Networks in your campaign settings, extends your ads to Google's search partner sites. Partner network traffic sometimes converts well, but often it doesn't perform at the same rate as Google Search. Pull your network segment data (use the Segment dropdown in your campaigns view and select Network) and compare conversion rates and CPAs between Google Search and Search Partners. If partner traffic is spending meaningfully but converting poorly, disable it for that campaign.

Display Network expansion: Search campaigns should not have "Display Network" checked unless you've made a deliberate choice to run on display. This setting is sometimes enabled by default when campaigns are created through certain setup flows. Go to your campaign settings and confirm the Display Network checkbox is unchecked for pure search campaigns.

Ad scheduling: Open the Ad schedule section in your campaign settings and look at performance by hour and day. If there are consistent windows where spend is high and conversions are zero or near zero, apply a bid adjustment to reduce spend during those windows, or exclude them entirely. Some accounts find that certain hours consistently underperform, and a simple scheduling adjustment recovers meaningful budget.

Device bid adjustments: Check your device performance breakdown. If mobile traffic is spending heavily but converting at a significantly lower rate than desktop, reduce your mobile bid adjustment rather than letting the default bids drain budget on underperforming traffic. You can find this in the Devices section of your campaign settings.

Location targeting settings: This one catches a lot of advertisers off guard. Google Ads has two location targeting options: "Presence or interest" and "Presence: People in or regularly in your targeted locations." The default is "Presence or interest," which means your ads can show to people who are interested in your targeted location but physically located elsewhere. If you only want to reach people actually in your target area, switch to "Presence" only. You'll find this setting under Location options within your campaign settings.

Step 6: Compile Everything into a Wasted Spend Summary

You've pulled the data, flagged the issues, built your negatives, and reviewed your settings. Now you need to put it all together in a format that's actually useful—something you can act on, share, and refer back to.

Create a simple summary with four columns: Issue, Estimated Wasted Spend, Action Taken, and Expected Impact. Keep it simple. The goal isn't a beautiful report—it's a clear record of what you found and what you did about it.

Quantify where you can. Add up the total spend on zero-conversion search terms you flagged. Note the spend on any keywords you paused. Estimate the budget exposure from poor-performing time windows or devices. These numbers don't need to be perfect, but having rough figures helps you prioritize and helps you demonstrate value if you're reporting to a client or stakeholder.

Prioritize your action list by estimated spend impact. Fix the biggest leaks first. If one irrelevant search term cluster has spent several hundred dollars with no conversions, that gets addressed before a minor scheduling adjustment worth a few dollars.

Set a follow-up date. Changes to negative keywords and bid adjustments don't produce instant results—the account needs time to accumulate data under the new settings. Plan to review performance two to four weeks after making changes. Note in your summary what you changed and when, so you can accurately attribute any performance shifts you see.

If you're working in an agency context, this summary becomes your client-facing wasted spend report. Keep it specific and tied to real numbers from their account. "We identified and excluded search terms that had spent $X with zero conversions" is far more useful to a client than a generic statement about optimization.

Build this audit into a recurring schedule. For active campaigns with meaningful spend, monthly is a reasonable cadence. For high-spend accounts, a weekly review of the search terms report makes sense, with a full settings audit monthly.

Optimize Google Ads Campaigns 10X Faster. Without Leaving Your Account. Keywordme lets you remove junk search terms, build high-intent keyword lists, and apply match types instantly—right inside Google Ads. No spreadsheets, no switching tabs, just quick, seamless optimization. Start your free 7-day trial (then just $12/month) and take your Google Ads game to the next level.