[{"data":1,"prerenderedAt":311},["ShallowReactive",2],{"article-list":3,"article:campaign-performance-investigation":239},[4,18,30,44,57,70,82,94,106,119,131,144,156,168,180,193,205,217,228],{"slug":5,"path":6,"title":7,"excerpt":8,"topic":9,"tags":10,"published":14,"updated":14,"readingMinutes":15,"cover":16,"coverAlt":17},"advertising-reporting-mistakes","\u002Fadvertising-reporting-mistakes\u002F","Advertising Reporting Mistakes: 10 Common Errors and How to Fix Them","Most misleading ad reports come from a handful of predictable errors. Learn why clicks and sessions differ, how Google Ads dates conversions and how to stop double counting.","measurement",[11,12,13],"advertising reporting mistakes","google ads reporting errors","misreading ad data","2026-11-13",9,"\u002Fcovers\u002Fadvertising-reporting-mistakes.svg","Diagram of a reliable reporting process shown as four connected steps: define, align, compare and annotate",{"slug":19,"path":20,"title":21,"excerpt":22,"topic":9,"tags":23,"published":27,"updated":27,"readingMinutes":15,"cover":28,"coverAlt":29},"ad-attribution","\u002Fad-attribution\u002F","Ad Attribution: How Conversion Credit Is Assigned and Where It Falls Short","Attribution divides credit for a conversion among ad interactions, but it does not prove the ads caused the sale. This guide covers what current models do and how to read them.",[24,25,26],"ad attribution","attribution models google ads","data-driven attribution","2026-11-10","\u002Fcovers\u002Fad-attribution.svg","Diagram of ad interactions passing through a conversion window and an attribution model before credit is assigned",{"slug":31,"path":32,"title":33,"excerpt":34,"topic":35,"tags":36,"published":40,"updated":40,"readingMinutes":41,"cover":42,"coverAlt":43},"campaign-performance-investigation","\u002Fcampaign-performance-investigation\u002F","Google Ads Performance Investigation: A Step-by-Step Diagnostic Order","When results change suddenly, the order of your checks matters. This diagnostic sequence rules out tracking, account changes and market shifts before blaming fraud.","click-fraud",[37,38,39],"google ads performance investigation","campaign diagnostics","performance drop","2026-11-08",8,"\u002Fcovers\u002Fcampaign-performance-investigation.svg","Diagram of a diagnostic sequence shown as four connected steps: tracking, changes, market and traffic",{"slug":45,"path":46,"title":47,"excerpt":48,"topic":49,"tags":50,"published":54,"updated":54,"readingMinutes":41,"cover":55,"coverAlt":56},"mobile-ad-traffic","\u002Fmobile-ad-traffic\u002F","Mobile Ad Traffic: Accidental Clicks, In-App Placements and Fair Comparisons","Phones produce more stray taps, more app inventory and shorter visits. Learn to judge mobile traffic on its own terms, review in-app placements and spot patterns worth investigating.","ads-clickers",[51,52,53],"mobile ad traffic","accidental mobile ad clicks","in-app ad traffic quality","2026-11-06","\u002Fcovers\u002Fmobile-ad-traffic.svg","Diagram of four connected steps for reviewing mobile ad traffic: segment, placements, quality and adjust",{"slug":58,"path":59,"title":60,"excerpt":61,"topic":62,"tags":63,"published":67,"updated":67,"readingMinutes":15,"cover":68,"coverAlt":69},"google-ads-location-targeting","\u002Fgoogle-ads-location-targeting\u002F","Google Ads Location Targeting: Options, Exclusions and Reports Explained","Location settings decide who can see and click your ads. Learn how Google estimates location, why out-of-area clicks happen and how to set targeting on purpose.","google-ads",[64,65,66],"google ads location targeting","presence or interest","location exclusions","2026-11-03","\u002Fcovers\u002Fgoogle-ads-location-targeting.svg","Diagram of location setup shown as four connected steps: target, option, exclude and report",{"slug":71,"path":72,"title":73,"excerpt":74,"topic":35,"tags":75,"published":79,"updated":79,"readingMinutes":41,"cover":80,"coverAlt":81},"suspicious-ad-sessions","\u002Fsuspicious-ad-sessions\u002F","Suspicious Ad Sessions: How to Read Them Without Jumping to Conclusions","A single odd visit proves very little. Learn to examine individual paid sessions, separate real warning signs from harmless quirks and decide when to escalate.",[76,77,78],"suspicious ad sessions","investigate suspicious traffic","unusual ad sessions","2026-11-01","\u002Fcovers\u002Fsuspicious-ad-sessions.svg","Diagram of four connected steps for reviewing a suspicious ad session: session, signals, explanations and escalate",{"slug":83,"path":84,"title":85,"excerpt":86,"topic":9,"tags":87,"published":91,"updated":91,"readingMinutes":15,"cover":92,"coverAlt":93},"ad-click-tracking","\u002Fad-click-tracking\u002F","Ad Click Tracking: Following a Click from the Ad to Your Analytics","Follow one ad click from the auction to your analytics report, see where identifiers are added or lost along the way, and use a checklist to keep tracking healthy.",[88,89,90],"ad click tracking","gclid","auto-tagging","2026-10-29","\u002Fcovers\u002Fad-click-tracking.svg","Diagram of an ad click carrying a click identifier to the landing page and becoming an analytics session",{"slug":95,"path":96,"title":97,"excerpt":98,"topic":49,"tags":99,"published":103,"updated":103,"readingMinutes":15,"cover":104,"coverAlt":105},"bot-traffic-detection","\u002Fbot-traffic-detection\u002F","Bot Traffic Detection: Finding Non-Human Visits in Analytics and Server Logs","A practical method for spotting non-human sessions: built-in filtering, analytics anomalies, server-log evidence, crawler verification and the limits of each signal.",[100,101,102],"bot traffic detection","bot traffic in analytics","server logs","2026-10-27","\u002Fcovers\u002Fbot-traffic-detection.svg","Diagram of a bot detection workflow moving from built-in filters to analytics review to server logs to crawler verification",{"slug":107,"path":108,"title":109,"excerpt":110,"topic":62,"tags":111,"published":115,"updated":115,"readingMinutes":116,"cover":117,"coverAlt":118},"google-ads-budget-waste","\u002Fgoogle-ads-budget-waste\u002F","Google Ads Budget Waste: How to Find and Fix Avoidable Spend","Most wasted spend in Google Ads comes from settings, search terms and tracking rather than fraud. Here is how to find it, check it and decide what to fix first.",[112,113,114],"google ads budget waste","wasted ad spend","campaign budget analysis","2026-10-25",11,"\u002Fcovers\u002Fgoogle-ads-budget-waste.svg","Diagram of a budget review shown as four connected steps: spend, segment, diagnose and fix",{"slug":120,"path":121,"title":122,"excerpt":123,"topic":9,"tags":124,"published":128,"updated":128,"readingMinutes":116,"cover":129,"coverAlt":130},"cost-per-click-measurement","\u002Fcost-per-click-measurement\u002F","Cost per Click Measurement: Actual CPC, Average CPC and Fair Comparisons","Average CPC blends many separate auction prices. See what sets each price, why the blend shifts even when prices don't, and how to judge CPC against results.",[125,126,127],"cost per click measurement","average cpc","actual cpc","2026-10-22","\u002Fcovers\u002Fcost-per-click-measurement.svg","Diagram showing max CPC, actual CPC, average CPC and cost per result as connected steps",{"slug":132,"path":133,"title":134,"excerpt":135,"topic":9,"tags":136,"published":140,"updated":140,"readingMinutes":141,"cover":142,"coverAlt":143},"ad-traffic-analysis","\u002Fad-traffic-analysis\u002F","Ad Traffic Analysis: How to Judge the Quality of Paid Traffic by Segment","Traffic quality is not the same as conversion rate. Here is a segment-by-segment routine for reviewing paid traffic every week, with a simple scorecard and a worked example.",[137,138,139],"ad traffic analysis","advertising traffic quality","traffic quality metrics","2026-10-20",10,"\u002Fcovers\u002Fad-traffic-analysis.svg","Diagram of a recurring traffic review with segment, measure, compare and act shown as connected steps",{"slug":145,"path":146,"title":147,"excerpt":148,"topic":49,"tags":149,"published":153,"updated":153,"readingMinutes":141,"cover":154,"coverAlt":155},"automated-ad-traffic","\u002Fautomated-ad-traffic\u002F","Automated Ad Traffic: A Map of the Bots and Scripts That Touch Your Ads","Not every non-human visit is fraud. This taxonomy covers crawlers, prefetching, verification tools and sophisticated invalid traffic, and what each means for advertisers.",[150,151,152],"automated ad traffic","sophisticated invalid traffic","non-human traffic","2026-10-18","\u002Fcovers\u002Fautomated-ad-traffic.svg","Diagram mapping automated ad traffic from benign bots to general invalid traffic to sophisticated invalid traffic to the advertiser's response",{"slug":157,"path":158,"title":159,"excerpt":160,"topic":35,"tags":161,"published":165,"updated":165,"readingMinutes":141,"cover":166,"coverAlt":167},"invalid-click-protection","\u002Finvalid-click-protection\u002F","Invalid Click Protection: What Advertisers Can Actually Control","No setting makes a campaign immune to bad clicks. See how Google's filtering, your own campaign controls and outside tools fit together, and where each one stops working.",[162,163,164],"invalid click protection","click fraud protection","ip exclusions google ads","2026-10-15","\u002Fcovers\u002Finvalid-click-protection.svg","Diagram of four connected layers of invalid click protection: google filtering, your controls, lead checks and review",{"slug":169,"path":170,"title":171,"excerpt":172,"topic":62,"tags":173,"published":177,"updated":177,"readingMinutes":141,"cover":178,"coverAlt":179},"google-ads-click-fraud","\u002Fgoogle-ads-click-fraud\u002F","Google Ads Click Fraud: Who Commits It, Where It Happens and How to Report It","Click fraud is the deliberate part of invalid traffic. Learn who is behind it, how exposure differs by network and how to report a case to Google without overreacting.",[174,175,176],"google ads click fraud","report click fraud","competitor clicking ads","2026-10-13","\u002Fcovers\u002Fgoogle-ads-click-fraud.svg","Diagram of four connected steps for handling click fraud: motive, exposure, signals and report",{"slug":181,"path":182,"title":183,"excerpt":184,"topic":62,"tags":185,"published":189,"updated":189,"readingMinutes":190,"cover":191,"coverAlt":192},"google-ads-invalid-clicks","\u002Fgoogle-ads-invalid-clicks\u002F","Google Ads Invalid Clicks: How Google Filters, Reports and Credits Them","Google filters most invalid activity before you pay. Here are the definitions, the reporting columns, the credit process and what Google will and will not tell you.",[186,187,188],"google ads invalid clicks","invalid click rate","invalid click credits","2026-10-10",12,"\u002Fcovers\u002Fgoogle-ads-invalid-clicks.svg","Diagram of four connected steps for invalid clicks: detect, filter, report and credit",{"slug":194,"path":195,"title":196,"excerpt":197,"topic":35,"tags":198,"published":202,"updated":202,"readingMinutes":190,"cover":203,"coverAlt":204},"click-fraud-detection","\u002Fclick-fraud-detection\u002F","Click Fraud Detection: How to Recognize and Evidence Suspicious Clicks","Suspicious clicks are easy to suspect and hard to prove. Learn to compare traffic with baselines, rule out ordinary causes and document a case Google can review.",[199,200,201],"click fraud detection","suspicious click indicators","invalid clicks","2026-10-08","\u002Fcovers\u002Fclick-fraud-detection.svg","Diagram of four connected steps in click fraud detection: baseline, anomaly, evidence and request",{"slug":206,"path":207,"title":208,"excerpt":209,"topic":49,"tags":210,"published":214,"updated":214,"readingMinutes":190,"cover":215,"coverAlt":216},"ads-clicker-bot","\u002Fads-clicker-bot\u002F","Ads Clicker Bots: What They Are, Why They Fail and How They Are Caught","A conceptual guide to click bots: what they try to imitate, the motives behind them, the policy and legal risks, and the signals that expose automated clicking.",[211,212,213],"ads clicker bot","click bot","invalid traffic","2026-10-06","\u002Fcovers\u002Fads-clicker-bot.svg","Diagram of a click bot's path from motive to imitation to detection signals to filtering",{"slug":218,"path":219,"title":220,"excerpt":221,"topic":62,"tags":222,"published":225,"updated":225,"readingMinutes":190,"cover":226,"coverAlt":227},"google-ads-clicker","\u002Fgoogle-ads-clicker\u002F","Google Ads Clicker: How Google Ads Counts, Filters and Bills Clicks","The phrase covers everything from click bots to worried advertisers. Here is how a click is really recorded, filtered and charged, and how to audit your own traffic.",[223,224,201],"google ads clicker","google ads clicks","2026-10-03","\u002Fcovers\u002Fgoogle-ads-clicker.svg","Diagram of a Google Ads click passing through four connected steps: click, filter, report and bill",{"slug":229,"path":230,"title":231,"excerpt":232,"topic":49,"tags":233,"published":236,"updated":236,"readingMinutes":190,"cover":237,"coverAlt":238},"what-is-an-ads-clicker","\u002Fwhat-is-an-ads-clicker\u002F","What Is an Ads Clicker? Meaning, Contexts and Common Misconceptions","The phrase can mean a click bot, a paid clicker, a protest extension or a simple click counter. Here is what each sense means and how ad platforms treat those clicks.",[234,201,235],"what is an ads clicker","pay-per-click","2026-10-01","\u002Fcovers\u002Fwhat-is-an-ads-clicker.svg","Diagram of an ad click moving from impression to click to invalid-click filtering to billing",{"slug":31,"path":32,"title":33,"excerpt":34,"topic":35,"tags":240,"published":40,"updated":40,"readingMinutes":41,"cover":42,"coverAlt":43,"seoTitle":241,"description":242,"html":243,"toc":244,"wordCount":276,"sources":277,"related":303,"ogImage":310},[37,38,39],"Google Ads Performance Investigation: What to Check First","A structured Google Ads performance investigation: verify tracking, review account changes, check auctions, demand and the site, then assess traffic quality.","\u003Cp>A Google Ads performance investigation is a structured check of the likely causes of a sudden change, done in an order that rules out the common, easy-to-verify explanations first. If you are asking why your Google Ads performance dropped, confirm the measurement first, then look at what changed in the account, then at the market, the website and ad eligibility, and only then at traffic quality.\u003C\u002Fp>\n\u003Cp>This guide sets out that order, names the Google Ads tools that help at each step, walks through an illustrative investigation and explains what evidence actually points to invalid traffic. The aim is a diagnosis you can defend, not a guess.\u003C\u002Fp>\n\u003Ch2 id=\"why-order-matters-in-a-google-ads-performance-investigation\">Why order matters in a Google Ads performance investigation\u003C\u002Fh2>\n\u003Cp>When results fall, the most dramatic explanation tends to get attention first: a competitor clicking ads, a bot, an algorithm change. In practice, sudden changes often trace back to something ordinary, such as a broken tag, a budget edit, a new competitor or a seasonal dip. Those causes are also the quickest to confirm or rule out.\u003C\u002Fp>\n\u003Cp>A fixed order has two benefits. It saves time, because each step is cheap and can end the investigation early. And it protects you from false conclusions: if you start by hunting for fraud, almost any anomaly can look like evidence. Slow, structural problems such as loose keyword matching belong in a routine \u003Ca href=\"\u002Fgoogle-ads-budget-waste\u002F\">review of avoidable budget waste\u003C\u002Fa>; this guide is for changes that appear suddenly.\u003C\u002Fp>\n\u003Cp>Before step one, define the change precisely:\u003C\u002Fp>\n\u003Cul>\n\u003Cli>\u003Cstrong>Which metric moved?\u003C\u002Fstrong> Conversions, cost per conversion, clicks, impressions or conversion value. Each points to different causes.\u003C\u002Fli>\n\u003Cli>\u003Cstrong>When did it start?\u003C\u002Fstrong> Find the first affected day, not the day someone noticed.\u003C\u002Fli>\n\u003Cli>\u003Cstrong>Where is it?\u003C\u002Fstrong> All campaigns, one campaign, one device, one network, one region.\u003C\u002Fli>\n\u003Cli>\u003Cstrong>Compared with what?\u003C\u002Fstrong> Use periods of equal length and comparable days of the week.\u003C\u002Fli>\n\u003C\u002Ful>\n\u003Ch2 id=\"step-1-confirm-that-measurement-still-works\">Step 1: Confirm that measurement still works\u003C\u002Fh2>\n\u003Cp>If conversions fell while clicks and cost held steady, suspect the measurement before the marketing.\u003C\u002Fp>\n\u003Cul>\n\u003Cli>\u003Cstrong>Conversion action status.\u003C\u002Fstrong> In the conversions summary, Google suggests \u003Ca href=\"https:\u002F\u002Fsupport.google.com\u002Fgoogle-ads\u002Fanswer\u002F10993988?hl=en\" rel=\"noopener\" class=\"ext\">hovering over the Status column\u003C\u002Fa> for details on each goal and using Google Tag Assistant to confirm that the conversion tag fires on the conversion page. Google also notes that some warning statuses can reflect low traffic or campaign settings rather than a broken tag, and that recently added or changed tags may need 24 to 48 hours to show data.\u003C\u002Fli>\n\u003Cli>\u003Cstrong>Conversion delay.\u003C\u002Fstrong> Google says \u003Ca href=\"https:\u002F\u002Fsupport.google.com\u002Fgoogle-ads\u002Fanswer\u002F6239119?hl=en\" rel=\"noopener\" class=\"ext\">conversions can be reported up to 90 days after the click\u003C\u002Fa>, depending on the conversion window, and that recent performance can look weaker because some people who clicked haven’t converted yet. For complete data it recommends a date range that ended at least 30 days ago. A “drop” in the last few days may simply be conversions that haven’t arrived.\u003C\u002Fli>\n\u003Cli>\u003Cstrong>Business records.\u003C\u002Fstrong> Compare Google Ads conversions with leads in your CRM or orders in your store for the same days. If the business numbers held up, the problem is measurement.\u003C\u002Fli>\n\u003C\u002Ful>\n\u003Cp>If tracking did break, fix it, then consider a data exclusion for the affected dates. Google recommends \u003Ca href=\"https:\u002F\u002Fsupport.google.com\u002Fgoogle-ads\u002Fanswer\u002F10276486?hl=en\" rel=\"noopener\" class=\"ext\">data exclusions for a conversion data outage\u003C\u002Fa>, such as broken conversion tracking for a period, to reduce the impact on Smart Bidding, and says they aren’t intended to be used frequently or for long periods. How the platform credits conversions also matters when numbers look odd; our guide to \u003Ca href=\"\u002Fad-attribution\u002F\">ad attribution and its limits\u003C\u002Fa> covers that side.\u003C\u002Fp>\n\u003Ch2 id=\"step-2-check-what-changed-inside-the-account\">Step 2: Check what changed inside the account\u003C\u002Fh2>\n\u003Cp>Most sudden shifts follow a change, and Google Ads records many of them.\u003C\u002Fp>\n\u003Cp>\u003Cstrong>Change history.\u003C\u002Fstrong> Google’s \u003Ca href=\"https:\u002F\u002Fsupport.google.com\u002Fgoogle-ads\u002Fanswer\u002F19888?hl=en\" rel=\"noopener\" class=\"ext\">change history\u003C\u002Fa> lists changes to your account, campaigns and ad groups over the past two years. You can filter by date range, type of change and campaign, and the User column shows who made each change, including automated and API changes. Google says it maps each change onto a timeline of account data such as impressions, clicks, conversions and cost, which makes it easier to line up a change with the start of a decline. Google also notes that some account-level setting changes may not be listed.\u003C\u002Fp>\n\u003Cp>Look in particular for:\u003C\u002Fp>\n\u003Cul>\n\u003Cli>Budget edits and bid strategy or target changes\u003C\u002Fli>\n\u003Cli>New, paused or removed keywords, including applied recommendations\u003C\u002Fli>\n\u003Cli>Edited ads, new assets or changed final URLs\u003C\u002Fli>\n\u003Cli>Location, schedule, network or audience changes\u003C\u002Fli>\n\u003C\u002Ful>\n\u003Cp>\u003Cstrong>Explanations.\u003C\u002Fstrong> Google’s \u003Ca href=\"https:\u002F\u002Fsupport.google.com\u002Fgoogle-ads\u002Fanswer\u002F9000655?hl=en\" rel=\"noopener\" class=\"ext\">explanations\u003C\u002Fa> feature gives insights into large changes in account performance for Search, App, Performance Max, Demand Gen, Display and Video campaigns. Its categories include bidding, budget, conversion settings, targeting changes, auction competition and search interest, and change history. Explanations aren’t available when the date range includes today or goes further back than the last 90 days, and they may not appear if a change isn’t significant enough.\u003C\u002Fp>\n\u003Cp>Treat explanations as leads to verify rather than verdicts.\u003C\u002Fp>\n\u003Ch2 id=\"step-3-look-at-the-auction-and-the-market\">Step 3: Look at the auction and the market\u003C\u002Fh2>\n\u003Cp>If nothing changed inside the account, something may have changed outside it.\u003C\u002Fp>\n\u003Cp>\u003Cstrong>Competition.\u003C\u002Fstrong> \u003Ca href=\"https:\u002F\u002Fsupport.google.com\u002Fgoogle-ads\u002Fanswer\u002F2579754?hl=en\" rel=\"noopener\" class=\"ext\">Auction insights\u003C\u002Fa> lets you compare your performance with other advertisers in the same auctions. It is available for Search, Shopping and Performance Max campaigns. For Search it shows impression share, overlap rate, outranking share, position above rate, top of page rate and absolute top of page rate. Google notes that the report doesn’t show insights when impression share is below 10%, and that a competitor’s impression share in your report may differ from what they see in theirs. A new advertiser with a rising overlap rate, or a familiar one suddenly ranking above you far more often, is a plausible cause of higher costs or fewer clicks.\u003C\u002Fp>\n\u003Cp>\u003Cstrong>Demand and seasonality.\u003C\u002Fstrong> Compare the same period last year, and check external events: holidays, weather, news, school calendars, a competitor’s sale. A decline in impressions across every campaign at once usually reflects demand, not a problem in the account.\u003C\u002Fp>\n\u003Ch2 id=\"step-4-find-where-the-change-is-concentrated\">Step 4: Find where the change is concentrated\u003C\u002Fh2>\n\u003Cp>This is the core of campaign diagnostics. A decline spread evenly across everything suggests a broad cause such as tracking, demand or budget, while a decline concentrated in one segment narrows the search. Break the affected period down by:\u003C\u002Fp>\n\u003Cdiv class=\"table-wrap\" role=\"region\" aria-label=\"Scrollable table\" tabindex=\"0\">\n\u003Ctable>\n\u003Cthead>\n\u003Ctr>\n\u003Cth>Dimension\u003C\u002Fth>\n\u003Cth>What a concentrated change might mean\u003C\u002Fth>\n\u003C\u002Ftr>\n\u003C\u002Fthead>\n\u003Ctbody>\n\u003Ctr>\n\u003Ctd>Search terms\u003C\u002Ftd>\n\u003Ctd>New or broader queries diluting intent\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>Device\u003C\u002Ftd>\n\u003Ctd>A mobile-only page or form problem\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>Location\u003C\u002Ftd>\n\u003Ctd>A settings change, or demand moving between areas\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>Network\u003C\u002Ftd>\n\u003Ctd>Shift in partner or Display traffic\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>Hour and day\u003C\u002Ftd>\n\u003Ctd>A schedule change, or a narrow window of unusual activity\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>Campaign or ad group\u003C\u002Ftd>\n\u003Ctd>A local edit, disapproval or budget limit\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003C\u002Ftbody>\n\u003C\u002Ftable>\n\u003C\u002Fdiv>\n\u003Cp>If location is the outlier, review the settings first; our guide to \u003Ca href=\"\u002Fgoogle-ads-location-targeting\u002F\">location targeting options and reports\u003C\u002Fa> explains why out-of-area clicks are often legitimate.\u003C\u002Fp>\n\u003Ch2 id=\"step-5-check-the-website-and-ad-eligibility\">Step 5: Check the website and ad eligibility\u003C\u002Fh2>\n\u003Cp>\u003Cstrong>The site.\u003C\u002Fstrong> A release that changed a form, checkout, page speed or URL structure can cut conversions without any change in Google Ads. Test the main path yourself on mobile and desktop, ask whoever manages the site what shipped and when, and check server or uptime logs for outages.\u003C\u002Fp>\n\u003Cp>\u003Cstrong>Ad and asset status.\u003C\u002Fstrong> Google says a disapproved ad \u003Ca href=\"https:\u002F\u002Fsupport.google.com\u002Fgoogle-ads\u002Fanswer\u002F6327680?hl=en\" rel=\"noopener\" class=\"ext\">can’t run because its content or its destination violates Google Ads policy\u003C\u002Fa> and won’t receive impressions, while statuses such as “Eligible (limited)” mean an ad can run with restrictions. Review the Status column for ads and assets, and add the Policy details column to see why an ad isn’t eligible. A disapproval on a high-volume ad, or on the landing page it shares with other ads, can explain a sudden drop in impressions.\u003C\u002Fp>\n\u003Ch2 id=\"step-6-only-then-assess-traffic-quality\">Step 6: Only then assess traffic quality\u003C\u002Fh2>\n\u003Cp>With measurement, changes, market, site and eligibility ruled out, traffic quality is a reasonable next question. Start with what Google reports: the Invalid clicks column shows traffic that \u003Ca href=\"https:\u002F\u002Fsupport.google.com\u002Fgoogle-ads\u002Fanswer\u002F11182074?hl=en\" rel=\"noopener\" class=\"ext\">Google’s systems already filtered\u003C\u002Fa>, and Google says it catches most invalid traffic shortly after the ad interaction, with later detections credited on invoices and in account transactions.\u003C\u002Fp>\n\u003Cp>Then compare ad data with site behavior for the affected segment: engagement, form quality and the click-to-session relationship. Reading individual visits carefully, without jumping to conclusions, is covered in our guide to \u003Ca href=\"\u002Fsuspicious-ad-sessions\u002F\">investigating suspicious ad sessions\u003C\u002Fa>.\u003C\u002Fp>\n\u003Ch2 id=\"an-illustrative-walkthrough\">An illustrative walkthrough\u003C\u002Fh2>\n\u003Cp>The following scenario is hypothetical, with round numbers chosen for clarity.\u003C\u002Fp>\n\u003Cp>Imagine a lead-generation account that normally records about 50 conversions a week from roughly 1,000 clicks and $2,000 of spend: a 5% conversion rate and $40 per conversion. One week it records 30 conversions from the same clicks and spend. The conversion rate falls to 3% and the cost per conversion rises to about $67.\u003C\u002Fp>\n\u003Col>\n\u003Cli>\u003Cstrong>Define the change.\u003C\u002Fstrong> Clicks and cost are flat, so the problem sits between the click and the recorded conversion. The drop started on a Tuesday and affects every campaign.\u003C\u002Fli>\n\u003Cli>\u003Cstrong>Check measurement.\u003C\u002Fstrong> One primary conversion action shows a warning in the conversions summary. Tag Assistant shows the tag no longer fires on the new confirmation page for one of the two forms.\u003C\u002Fli>\n\u003Cli>\u003Cstrong>Cross-check the business.\u003C\u002Fstrong> The CRM shows about 50 new leads that week, in line with normal. Marketing performance didn’t drop; measurement did.\u003C\u002Fli>\n\u003Cli>\u003Cstrong>Find the trigger.\u003C\u002Fstrong> The website team released a redesigned form on the Monday evening, which changed the confirmation URL.\u003C\u002Fli>\n\u003Cli>\u003Cstrong>Fix and protect.\u003C\u002Fstrong> The tag is restored, the account applies a data exclusion for the affected days so automated bidding doesn’t learn from the gap, and the incident is noted for future comparisons.\u003C\u002Fli>\n\u003C\u002Fol>\n\u003Cp>Had the investigation started with traffic quality, the stable click volume and normal-looking sessions would have offered nothing to find, and days could have gone into IP lists and blocking. Had the CRM also shown a drop, the next stops would have been change history and auction insights. If your numbers disagree in ways that this order doesn’t explain, check them against our list of \u003Ca href=\"\u002Fadvertising-reporting-mistakes\u002F\">common advertising reporting mistakes\u003C\u002Fa>.\u003C\u002Fp>\n\u003Ch2 id=\"when-the-evidence-actually-points-to-invalid-traffic\">When the evidence actually points to invalid traffic\u003C\u002Fh2>\n\u003Cp>Invalid traffic becomes a reasonable explanation when several of these appear together, and the earlier steps found nothing:\u003C\u002Fp>\n\u003Cul>\n\u003Cli>Clicks or cost rise sharply without a matching change in impressions, settings or demand.\u003C\u002Fli>\n\u003Cli>The increase is concentrated in a narrow time window, a single location or a few placements.\u003C\u002Fli>\n\u003Cli>Sessions from the affected segment show almost no engagement, or never load at all.\u003C\u002Fli>\n\u003Cli>Form submissions from the segment are junk, duplicated or impossible to contact.\u003C\u002Fli>\n\u003Cli>The pattern persists over several days rather than appearing once.\u003C\u002Fli>\n\u003C\u002Ful>\n\u003Cp>Even then, keep the conclusion proportional to the evidence. Shared and carrier networks, privacy tools and prefetching can all produce odd-looking data. Document what you found, with dates, segments and screenshots, and compare it with the invalid click data Google reports. Google’s invalid traffic page, linked in step 6, also says advertisers can submit an invalid traffic investigation request for activity within the last 60 days. Our method for \u003Ca href=\"\u002Fclick-fraud-detection\u002F\">detecting click fraud with evidence\u003C\u002Fa> shows how to build that case, and our explainer on \u003Ca href=\"\u002Fgoogle-ads-clicker\u002F\">how Google Ads counts clicks\u003C\u002Fa> helps when you need to reconcile click numbers along the way.\u003C\u002Fp>\n\u003Ch2 id=\"key-takeaways\">Key takeaways\u003C\u002Fh2>\n\u003Cul>\n\u003Cli>Define the change precisely first: which metric, from which day, in which segment, compared with which period.\u003C\u002Fli>\n\u003Cli>Check measurement before marketing; conversion delay and broken tags explain many sudden drops.\u003C\u002Fli>\n\u003Cli>Use change history, explanations and auction insights to separate account changes from market changes.\u003C\u002Fli>\n\u003Cli>Test the website and ad statuses before suspecting the traffic itself.\u003C\u002Fli>\n\u003Cli>Treat invalid traffic as a conclusion that needs several converging signals and documentation, not as the first explanation.\u003C\u002Fli>\n\u003C\u002Ful>\n",[245,249,252,255,258,261,264,267,270,273],{"id":246,"text":247,"level":248},"why-order-matters-in-a-google-ads-performance-investigation","Why order matters in a Google Ads performance investigation",2,{"id":250,"text":251,"level":248},"step-1-confirm-that-measurement-still-works","Step 1: Confirm that measurement still works",{"id":253,"text":254,"level":248},"step-2-check-what-changed-inside-the-account","Step 2: Check what changed inside the account",{"id":256,"text":257,"level":248},"step-3-look-at-the-auction-and-the-market","Step 3: Look at the auction and the market",{"id":259,"text":260,"level":248},"step-4-find-where-the-change-is-concentrated","Step 4: Find where the change is concentrated",{"id":262,"text":263,"level":248},"step-5-check-the-website-and-ad-eligibility","Step 5: Check the website and ad eligibility",{"id":265,"text":266,"level":248},"step-6-only-then-assess-traffic-quality","Step 6: Only then assess traffic quality",{"id":268,"text":269,"level":248},"an-illustrative-walkthrough","An illustrative walkthrough",{"id":271,"text":272,"level":248},"when-the-evidence-actually-points-to-invalid-traffic","When the evidence actually points to invalid traffic",{"id":274,"text":275,"level":248},"key-takeaways","Key takeaways",1883,[278,282,285,288,291,294,297,300],{"title":279,"publisher":280,"url":281},"Manage conversion goals from the conversions summary","Google Ads Help","https:\u002F\u002Fsupport.google.com\u002Fgoogle-ads\u002Fanswer\u002F10993988?hl=en",{"title":283,"publisher":280,"url":284},"Find out how long it takes for your customers to convert","https:\u002F\u002Fsupport.google.com\u002Fgoogle-ads\u002Fanswer\u002F6239119?hl=en",{"title":286,"publisher":280,"url":287},"Use data exclusions for conversion data outages","https:\u002F\u002Fsupport.google.com\u002Fgoogle-ads\u002Fanswer\u002F10276486?hl=en",{"title":289,"publisher":280,"url":290},"About change history","https:\u002F\u002Fsupport.google.com\u002Fgoogle-ads\u002Fanswer\u002F19888?hl=en",{"title":292,"publisher":280,"url":293},"About explanations","https:\u002F\u002Fsupport.google.com\u002Fgoogle-ads\u002Fanswer\u002F9000655?hl=en",{"title":295,"publisher":280,"url":296},"Use auction insights to compare performance","https:\u002F\u002Fsupport.google.com\u002Fgoogle-ads\u002Fanswer\u002F2579754?hl=en",{"title":298,"publisher":280,"url":299},"Check the review status of an ad or asset","https:\u002F\u002Fsupport.google.com\u002Fgoogle-ads\u002Fanswer\u002F6327680?hl=en",{"title":301,"publisher":280,"url":302},"About invalid traffic","https:\u002F\u002Fsupport.google.com\u002Fgoogle-ads\u002Fanswer\u002F11182074?hl=en",[304,306,308],{"slug":107,"path":108,"title":109,"excerpt":110,"topic":62,"tags":305,"published":115,"updated":115,"readingMinutes":116,"cover":117,"coverAlt":118},[112,113,114],{"slug":5,"path":6,"title":7,"excerpt":8,"topic":9,"tags":307,"published":14,"updated":14,"readingMinutes":15,"cover":16,"coverAlt":17},[11,12,13],{"slug":71,"path":72,"title":73,"excerpt":74,"topic":35,"tags":309,"published":79,"updated":79,"readingMinutes":41,"cover":80,"coverAlt":81},[76,77,78],"\u002Fog\u002Fcampaign-performance-investigation.png",1794612999657]