How to find which keywords your competitors are bidding on in Google Ads

Most Google Ads accounts share a common blind spot. You see your own impression share, your own click costs, and your own conversion rates. But you rarely see the full picture: which keywords your competitors are actually bidding on, how much they are spending, and where their ad strategy overlaps with yours.

That blind spot costs money. A 2025 WordStream analysis of over 16,000 campaigns found that 65% of industries improved conversion rates despite higher CPCs. The takeaway: smart targeting beats cheap clicks. And smart targeting starts with knowing what your competitors are doing.

This guide walks through every method to find competitor keywords in Google Ads, from free built-in tools to third-party platforms. Each method answers a different question: who is bidding against you, on which terms, and with what messaging.

Start with Google Ads Auction Insights

Auction Insights is the most direct signal you have. It is free, it lives inside Google Ads, and it tells you exactly who else is bidding in the same auctions as you.

Navigate to Campaigns and select Auction Insights. The report shows six metrics for every competitor: impression share, overlap rate, outranking share, position above rate, top of page rate, and absolute top of page rate. Together, these tell you not just who appears beside you, but who is winning.

Run this report on your highest-intent non-brand campaigns first. If the same three domains appear across multiple ad groups, those are your real SERP competitors. They may not match your sales team's list of competitors. Trust the auction data.

Pay attention to overlap rate. A high overlap rate on a specific ad group means you and a competitor are both bidding aggressively on the same terms. A low overlap rate but high position-above rate means they show up on different searches but win when they do show. Both are useful signals.

Search your own keywords in incognito mode

Sometimes the simplest method is the most underused. Open an incognito browser window and search your core commercial keywords. Note every advertiser that appears in the top positions. Repeat this weekly, ideally from different locations using Google's Ad Preview and Diagnosis Tool.

Manual search reveals two things tools often miss. First, you see actual ad copy and landing pages in context. Second, you notice when a new competitor starts testing a keyword before they commit enough budget to appear in third-party tool databases.

While searching, capture screenshots or notes on the ad headlines, descriptions, and landing page URLs. These tell you what messaging each competitor thinks converts for that specific search. A keyword list without ad copy context is only half the intelligence.

Use the Google Ads Transparency Center

Google's Ads Transparency Center is a free, public database of every ad running on Google's platform. Search for any competitor by name and you will see their full ad catalog: every active ad, every variation, and the historical record of what they have run.

This is useful for pattern detection. If a competitor runs five ad variations all targeting the same benefit claim, that claim is central to their positioning. If they rotate ads seasonally or around product launches, you can anticipate their next move and prepare counter-messaging.

The Transparency Center will not tell you which keywords triggered each ad. But when combined with Auction Insights and manual search, you can reverse-engineer the keyword-to-ad mapping. If you see an ad about pricing on the Transparency Center and you spot that same ad on a comparison search, you now know which keyword triggered it.

Third-party tools: SpyFu, SEMrush, and Ahrefs

Google's built-in tools tell you who competes with you. Third-party tools tell you what they compete on. Each platform has a different strength.

SpyFu is built for keyword discovery. Search any competitor domain and download their entire paid keyword list: every term they bid on, estimated monthly clicks, and ad history going back years. It is the fastest way to build a broad competitor keyword file when you are starting from scratch.

SEMrush excels at ad copy and landing page analysis. Its Advertising Research tool shows you which paid keywords trigger ads, the landing pages attached to them, and the messaging patterns that keep repeating. Use it to map competitor positioning, not just keyword lists. For more on AI-powered competitive research, see our guide on Google Ads competitor research with AI agents

Ahrefs is strongest for gap discovery. Its paid keyword gap analysis compares your domain against competitors and surfaces terms where they have coverage and you do not. This is where you find the long-tail keywords competitors are quietly converting on while you fight over expensive head terms.

Use all three tools together, not as substitutes. SpyFu for breadth, SEMrush for depth, Ahrefs for gaps. Export into one master sheet and categorize immediately: core non-brand, competitor brand, comparison, feature-led, long-tail, and defensive.

Categorize keywords by intent before you bid

A raw keyword export is noise. The value comes from sorting terms by the intent behind the search.

Comparison intent terms like "[competitor] alternatives," "[competitor] vs," and "[competitor] pricing" are your highest-priority bucket. These searchers have already narrowed the category and are evaluating options. They often justify dedicated ad groups, custom copy, and specific landing pages.

Broad competitor brand terms are trickier. A search for a competitor's name alone could be a current customer looking for a login page, a job seeker, or an investor. These terms need tighter match types and aggressive negative keywords to filter out traffic that will never convert.

Feature-led terms, where your product has a real edge, often outperform broad conquest campaigns. If a competitor lacks a specific integration or reporting capability that you offer, bid on searches that include those feature names. Your ad copy can speak directly to that gap. For more on detecting competitor budget changes that signal strategy shifts, read our guide on how to detect competitor Google Ads budget changes

Match types and negatives make or break competitor campaigns

Competitor campaigns punish sloppy match types more than any other campaign type. Data from One Base Media shows that mixing exact and phrase match can lift CTR by 15 to 25% and ROAS by 1.5 to 3x in enterprise accounts, while broad match can cut conversions by 30 to 50% due to irrelevant queries.

Start with exact match for direct comparison terms like "[competitor] alternatives" or "[competitor] pricing." Expand to phrase match for controlled discovery around review and alternative searches. Use broad match only after you have built a strong negative keyword list and understand the search-term behavior.

Negative keywords are not optional. Add negatives for jobs, careers, login, support, documentation, and free downloads if you do not offer them. Review negatives weekly. Old negative lists can block good terms as your strategy evolves, so audit them alongside your search term reports.

Build a repeatable competitor keyword workflow

Competitor keyword research is not a one-time task. Competitors change bids, copy, offers, and landing pages. Google's match types drift. New advertisers enter your auctions. A weekly or biweekly routine keeps your intelligence current.

A practical weekly routine:

First, review Auction Insights for overlap changes. If a domain's overlap rate jumped from 15% to 40% in a week, they increased bids or expanded match types on your shared keywords.

Second, export paid keyword sets from SpyFu or SEMrush. Tag new keywords by intent before they enter any campaign. Third, capture ad copy themes and landing page angles from any competitor with new or changed ads. Fourth, mark weak spots where competitors overpromise, underspecify, or send traffic to thin pages.

Fifth, check AI search visibility as an additional layer. AI Overviews now influence 30 to 40% of queries in major markets. A competitor may dominate paid search but be absent from AI citations, which is a content gap you can exploit. Or they may appear in AI results for comparison queries, which means your landing pages need to address the framing users already saw before clicking.

The brands that win are not the ones collecting the most competitor data. They are the ones turning that data into faster decisions: which keywords to bid on, which gaps to exploit, and which competitor weaknesses to target with sharper messaging.

Frequently asked questions