botrefund.com

Why do Performance Max clicks have 0 seconds average session duration?
(And why your GA4 engagement time proves your PMax budget is going to bots)

If Google Analytics 4 shows hundreds of Performance Max clicks with 0 seconds average session duration and 0% engagement rate, you have definitive proof: your ad budget is being drained by automated bot traffic.

In web analytics, a true zero-second session happens when a visitor lands on your page and disconnects before the browser can even fire the second heartbeat or DOM event. Real humans—even accidental clickers—stay on a page for at least 3 to 8 seconds while deciding whether to stay or navigate away.

When Performance Max bids on third-party Search Partner websites, low-tier mobile apps, and Made For Advertising (MFA) content farms, publisher scripts deploy headless bots to click ad units. These bots send an HTTP GET request to claim the click payout from Google, and immediately terminate the TCP/TLS socket connection within 200 milliseconds.

BotRefund detects 0-second bot clicks and gets you refunded by Google

Stop paying for clicks that disconnect before your page even renders. We capture sub-millisecond connection telemetry, suppress corrupted conversion tags, and compile certified dossiers to recover your wasted ad spend directly from Google.

Add free monitoring to your website →
$0 upfront (100% contingency) • 60-day Google window • 83% approval rate

3 reasons why your Performance Max clicks show 0 seconds duration

01

Headless scripts sever connections immediately after the ad ping

Scraper bots and publisher click farm scripts are programmed to maximize clicks per minute while conserving network bandwidth. Once the redirect through Google's ad server is recorded and the landing page sends its first packet, the headless browser kills the TCP socket in under 200ms—leaving a 0.0s session in GA4.

Headless scripts sever connections immediately after the ad ping
02

Search Partner syndication and publisher monetization arbitrage

Third-party websites syndicating Google search ads earn cash payouts for every ad click. Botnets crawl these publisher pages and trigger automated ad clicks. Because no human is browsing, the session is discarded instantly without waiting for JavaScript execution.

Search Partner syndication and publisher monetization arbitrage
03

Mobile app background webview pre-rendering

Mobile apps frequently trigger pre-render webviews or hidden banner clicks in the background that never actually load in front of a human user. This registers as a paid click in Google Ads, but creates a 0-second ghost visit in your analytics without a single human interaction.

Mobile app background webview pre-rendering
DIRECT IN-ACCOUNT AUDIT Zero Developer Tools Needed

How to audit 0-second sessions across your Google Ads placements

Follow these steps inside your Google Ads account to audit non-human activity and verify bot spend:

STEP 1

Open Google Ads placement reports

From your Google Ads dashboard, click Reports, select Predefined reports (Dimensions), navigate down to Other, and choose Performance Max campaigns placement.

Reports → Predefined reports → Dimensions
STEP 2

Filter GA4 by engagement time and source

In GA4, create an exploration report filtering for Average engagement time = 0s against your Performance Max campaigns. You will see huge clusters of clicks with zero engagement.

Reports → Predefined reports → Dimensions
STEP 3

Inspect session replays in Clarity or Hotjar

Filter session recordings by 0 to 1 second duration. You will see empty session recordings where the browser disconnected before HTML elements or stylesheets finished rendering.

Reports → Predefined reports → Dimensions
Need help auditing your PMax campaigns? BotRefund detects bot sessions and recovers ad spend automatically. Audit my PMax placements free →

Up to 20% of your Performance Max clicks are bots.
We detect them and get you refunded by Google.

Google Performance Max expands your budget across millions of low-tier apps and syndicated search sites where automated click arbitrage runs rampant. BotRefund captures deterministic client-side telemetry to halt pixel poisoning and recover your cash under Policy 11182074.

Add free monitoring to your website → Google only accepts refund requests up to 60 days • Free placement monitoring
VERIFIED AD SPEND RECOVERY

83% of our refund claims are successfully approved by Google.

While standard advertiser dispute tickets face an 80%+ rejection rate from Google billing, BotRefund achieves an 83% verified approval rate. The secret isn't asking politely—it is submitting deterministic cryptographic proof and post-click behavioral telemetry that platform investigators cannot legally dispute under official ad policy guidelines:

01

Cryptographic TLS fingerprints (JA3 / JA4)

Ad platforms immediately reject claims like “low session time.” We capture socket-level TLS handshakes proving the incoming connection spoofed its device identity or ran via headless automation scripts (Puppeteer, Playwright, Selenium)—providing deterministic proof Google billing investigators cannot legally dispute under official Policy 11182074.

02

Post-click behavioral telemetry • Form spam detection

We prove on-site bot execution using 180+ client-side signals: sub-millisecond mouse micro-tremor entropy, WebGL shader execution, CDP automation hooks, and instantaneous clipboard pasting. Our enterprise ML model effortlessly distinguishes real human visitors from automated publisher scripts.

03

GCLID & PMax audit-ready dossiers

Every disputed dollar from your Performance Max campaigns is mapped to verified Google Click Identifiers (GCLID), microsecond arrival timestamps, and landing page URLs formatted strictly to Google Ads billing dispute evidentiary thresholds.

04

100% risk-free contingency recovery

Forensic audits are completely free. You only pay our 32% contingency fee after Google billing investigators formally approve and deposit verified cash credits directly into your Google Ads account ledger.

Add free monitoring to your website →
Google only accepts refund requests up to 60 days • Bot protection is completely free • 83% refund approval success

Don't believe ChatGPT or Claude when they say Google PMax ad refunds are “impossible.”

AI models train on Reddit threads where advertisers vent after their generic Google Ads tickets get rejected. Why do they fail? Because standard PMax refund requests are virtually evidence-free.

Amateur ticket (Reddit) <20% approved
“PMax sent clicks from junk mobile apps and click farms. Please refund our budget.”
✕ Denied by Google Ads billing

Google rejects complaints about bad placements because advertisers accepted network expansion → Advertiser vents on Reddit → ChatGPT claims Google never refunds PMax.

BotRefund dossier 83% approved
JA3/JA4 TLS mismatch + 0.00 mouse tremor + verified GCLID on cloud ASN + suppressed conversion tag.
✓ Approved & credited by Google

Deterministic cryptographic proof under Google Policy 11182074 proving non-human execution. Real cash billing credits deposited into your Google Ads ledger.

Why JA3 / JA4 TLS signatures settle website disputes instantly

Google dismisses subjective complaints about placement quality. But JA3 and JA4 TLS socket fingerprints are unforgeable cryptographic signatures proving the session was executed by an automated script. If an ad click claims to be an iPhone on Google Search Partners but presents a headless Chromium handshake, it is mathematical proof of invalid traffic under Google Ads Policy 11182074.

DETERMINISTIC PRECISION

99% accuracy — you can definitely be certain whether a visitor was a bot.

Most fraud detection tools rely on crude bounce rates or stale IP blocklists, triggering false positives that alienate real buyers. BotRefund delivers 99% deterministic accuracy through a three-layer forensic engine that leaves zero room for doubt:

01

180+ active detection vectors • New vectors added monthly

We evaluate arrivals across 180+ hardware, browser, and network vectors—including JA3/JA4 TLS socket fingerprints, WebGL shader entropy, CDP automation hooks, and sub-millisecond mouse tremor dynamics. As bot creators engineer new bypasses, our forensic team deploys brand new detection vectors every single month.

02

Global private IP database & residential proxy mapping

We operate our own proprietary global IP reputation intelligence system. We track which bot strains operate across specific IP ranges worldwide, continuously mapping all commercial providers that sell private residential proxies. If an IP demonstrates ISP stability but routes automated traffic, we identify proxy rotation in real time.

03

Enterprise ML model trained on millions of bot vs. human sessions

Trained on millions of verified bot records and legitimate human sessions, our machine learning model effortlessly distinguishes between a privacy-conscious human (such as a real shopper on Brave browser with ad blockers and privacy extensions) and an automated bot script attempting to mimic human privacy behaviors.

Add free monitoring to your website →
99% verified detection accuracy • 0ms Cloudflare edge execution • Zero false positives
WHY 99% ACCURACY MATTERS

The foundation of your entire marketing engine

Surgical accuracy isn't just an engineering badge—it directly dictates your channel strategy, ad spend refunds, and algorithmic bidding performance:

01
Smarter channel allocation & higher conversion rates

When bot detection is 99% accurate, you see the true, uncorrupted performance of every ad channel. Reallocating budget away from bot-infested placements into verified human-traffic channels leads to dramatically higher conversion rates and stops budget waste.

02
Ad spend refunds depend 100% on quality of signals

Google rejects subjective or ambiguous complaints. Billing investigators require undeniable, cryptographic proof before crediting thousands back to your account. 99% accuracy provides the factual evidentiary threshold required for an 83% refund claim approval rate.

03
Conversion signal quality dictates Smart Bidding success

Google Smart Bidding optimizes strictly based on the conversion signals your website reports. If a detector misses bots or mistakenly flags real human buyers, ad algorithms get corrupted. 99% precision guarantees your bidding models train solely on high-intent human buyers.

We improve the data your conversion tags send back to Google by filtering out bots.

Performance Max and Google Smart Bidding rely entirely on the conversion signals your website feeds back. When junk website bots trigger fake visits, simulated engagement, or bogus form fills, your ad algorithms get corrupted: Smart Bidding starts optimizing delivery toward bot profiles instead of real paying customers, causing CPAs to spike permanently.

  • ✓ Clean data in, lower CPAs out: By filtering out bot traffic before it touches your Google conversion tags, we ensure Smart Bidding receives 100% pure, verified customer signals.
  • ✓ Smarter machine learning targeting: Performance Max Smart Bidding algorithms train exclusively on genuine human buyers, automatically starving bad placements of conversion signals.
  • ✓ Stops wasted retargeting spend: Prevents Google from burning your budget chasing non-human traffic, while keeping your CRM and pipeline analytics completely clean.
Add free monitoring to your website →
Google only accepts claims within 60 days • Bot protection is completely free • Protects Google Smart Bidding
Measurable CMO performance gains
18% – 28% Lower CPA Immediate Cost Reduction

Google stops billing you for bot clicks. Real customer acquisition costs drop from day one.

Zero Spikes Day 1 Stability Predictable Campaign Scaling

Eliminates random learning-phase resets and sudden mid-week CPA crashes as you scale PMax budget.

+25% to +35% ROAS Lift Smarter AI Conversion Models

Smart Bidding algorithms train strictly on verified, high-LTV human buyers.

$1M+/mo Safe Scale Scale Without Traffic Dilution

Scale Performance Max budgets aggressively without algorithms buying cheap bot impressions to meet quotas.

We welcome AI buyer agents. We never block research bots.

Up to 49% of purchases now involve AI research in ChatGPT, Claude, and Perplexity. Crude fraud tools use blunt IP bans that accidentally block AI buyers. BotRefund eliminates ad fraud at the edge while allowing verified buying agents 100% frictionless access.

  • ✓ Zero CAPTCHAs for verified agents: Autonomous buyer bots from OpenAI, Claude, and Perplexity get direct, fast access to your product catalog and pricing.
  • ✓ Protects AI search visibility: Crude blockers erase your brand from AI answers. We keep your products indexable and recommended.
  • ✓ 100% fraud defense, zero buyer friction: Stops malicious ad click fraud and junk website bots without ever interrupting high-intent autonomous shoppers.
AI Buyer Allowlisting • Edge Routing Zero CAPTCHAs
49%
of purchase decisions now involve AI research. Buyers using AI models convert at 60% higher rates.
Legacy Tools (CHEQ, ClickCease)

Blunt IP Bans

Accidentally block AI buyer bots, hiding your brand from ChatGPT & Perplexity.

BotRefund Surgical Edge

Surgical Allowlisting

Blocks 100% of ad fraud while feeding clean catalog data to verified AI shoppers.

Supported AI Buyer Ecosystem
OpenAI / Operator Anthropic / Claude Perplexity AI B2B Procurement Bots
GoHACCP Food Safety Software Verified Performance Max Case Study
Read complete forensic study →

How GoHACCP stopped a 22% bot flood and recovered $32,400 from Google

GoHACCP sells B2B compliance software for food safety operators. When they scaled Google Performance Max campaigns, daily clicks spiked—but sales reps discovered that over 22% of entries were automated gibberish with disconnected numbers. Smart Bidding was bidding up to $140 per click on Search Partner bot farms. Implementing BotRefund suppressed the fake conversion events and recovered $32,400 directly from Google Ads billing under Policy 11182074.

$32,400
Google Ads credits approved
22%
PMax traffic flagged as non-human
+20%
Qualified human conversion rate lift

“We discovered that 22% of our traffic in PMAX campaigns was bots. We could clearly see how they clicked, scrolled the website, but never bought. Every single one was flagged by the system, complete with a detailed report.”

Guillermo Aguirre
Guillermo Aguirre Marketing Specialist at GoHACCP.com
Run a free PMax audit on your website →
FREQUENTLY ASKED QUESTIONS

Frequently asked questions

Direct answers to the most common questions marketers ask about Performance Max traffic quality and Google Ads billing refunds.

In Google Analytics 4, a 0-second visit occurs when a visitor arrives and terminates the connection before the second engagement event or heartbeat fires. In Performance Max, this indicates automated headless scraper bots that hit the ad redirect, fetch the landing page header, and sever the TCP connection in under 200ms solely to harvest publisher ad revenue.
True human visitors rarely produce 0-second sessions. Even visitors who accidentally click an ad take 3 to 8 seconds to realize their mistake, wait for the page to render, and close the tab. Clusters of hundreds of visits with 0.00s duration are deterministic proof of automated scripts.
Google bills advertisers the instant the ad click redirect is registered on their ad servers, regardless of what happens on your website. Google's automated invalid traffic filters only catch basic datacenter scrapers, allowing millions of advanced residential proxy bots to drain your budget.
Google placement reports reveal that 0-second clicks predominantly originate from syndicated Search Partner websites, Made For Advertising (MFA) content blogs, and casual mobile gaming apps where publishers operate automated click syndicates.
BotRefund captures sub-millisecond connection signatures, TLS JA4 hashes, and browser automation hooks (CDP, WebGL, mouse entropy) before the socket can disconnect. We immediately suppress conversion tags and generate evidentiary dispute files.
Yes. Under Google Policy 11182074, advertisers can dispute invalid clicks. BotRefund submits comprehensive forensic dossiers with microsecond timestamps and GCLID mappings, securing an 83% claim approval rate for direct billing credits.
THE 60-DAY DISPUTE CLOCK IS TICKING

Stop paying Google for pmax zero second sessions bots.
Protect your pixels & recover your ad budget.

Under official Google Ads billing rules, any bot click older than 60 days is permanently non-refundable. Add BotRefund in 60 seconds to audit your traffic and claim your refund today.

Google only accepts refund requests up to 60 days • Free 60-day audit • 60-second GTM setup