13-layer detection engine that blocks bots BEFORE your budget is spent. Sub-15ms decisions. Zero false positives. Built for media buyers who refuse to bleed money.
Three steps between your traffic source and clean, verified human visitors.
Your traffic source sends clicks through PureGuard's endpoint. No SDK, no tag changes.
13 detection layers analyze every click in real-time. Trust scored 0-10. Decision in under 15ms.
Only verified humans reach your offers. Bots are silently dumped. Your budget stays intact.
Defense-in-depth architecture. Each layer is independently configurable: kill, score, or observe.
400M+ known malicious IPs from the FireHOL Level 1 blocklist. Updated every 6 hours.
KillCommunity-driven threat intelligence. Real-time IP reputation from thousands of CrowdSec sensors.
KillIdentifies curl, Selenium, Puppeteer, PhantomJS, WebDriver, and 50+ bot signatures.
KillDetects spoofed Chrome versions and Chrome UA Reduction anomalies. W3C-spec aware.
KillIn-memory rate limiting via APCu. Locks out IPs exceeding burst thresholds in sliding windows.
KillCatches ad verification crawlers: Snobi, Criteo, DoubleVerify, Pixalate, and more.
KillDeep Chrome UA Reduction v4 analysis. Distinguishes privacy features from actual headless bots.
KillBrowser-enforced, unforgeable Sec-Fetch-Site/Mode/Dest headers. The gold standard of bot detection.
Score50+ known datacenter and cloud ASNs: AWS, GCP, Azure, DigitalOcean, OVH, Hetzner, and more.
ScoreCross-validates Accept-Encoding, Connection headers, and Chrome Client Hints for coherence.
ScoreAccept-Language vs geo verification with 26-country exception list for multilingual regions.
ObserveHTTP header order CRC32 hashing. Real browsers have consistent header ordering patterns.
ObserveTLS version analysis from CF-TLS-Version. Detects outdated TLS stacks used by bot frameworks.
ObserveEvery feature designed to protect your ad spend and maximize ROI.
Blocks bots BEFORE you pay for the click. Not after-the-fact analytics -- real-time prevention that saves money on every impression.
14 automatic quality rules with probation system. UQC v4 engine scores every zone and auto-blocks toxic traffic sources.
Native OpenRTB 2.5 integration. Score bid requests before you spend. 36 signals analyzed per bid in under 5ms.
Live traffic monitoring with Sentinel. Trust histograms, device fingerprinting heatmaps, burst alerts, and anomaly detection.
Native bridges for PopAds, RollerAds, HilltopAds, ClickAdilla, ExoClick, ZeroPark, and 10+ traffic networks.
Deploy on your own server. Your data never leaves your infrastructure. Full control, zero vendor lock-in.
Real request, real scoring. Watch PureGuard analyze a click in real-time.
Compared to solutions that cost 10x more and catch 10x less.
| Feature | PureGuard | Others |
|---|---|---|
| Pre-budget filtering Block BEFORE you pay |
||
| Real-time decision Sub-15ms latency |
Post-click only | |
| Self-hosted option Full data sovereignty |
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| RTB pre-bid scoring Filter at bid request |
||
| Zone quality engine Automatic zone blocking |
Manual only | |
| Chrome UA Reduction aware W3C spec compliant |
Start free. Scale when you are ready. No hidden fees. No surprises.
Start with 100,000 free bot checks.
No credit card required. Deploy in 5 minutes.