Search Results for "traffic"

reCAPTCHA is Google’s human-verification system that helps websites distinguish real users from automated abuse while keeping friction low for legitimate traffic. The project bundles client and server examples, language-specific helpers, and documentation patterns for integrating reCAPTCHA v2 and v3 flows into web forms and APIs. Its design philosophy is “risk-based”: most users pass silently based on behavioral signals, while higher-risk interactions may be challenged with an image, checkbox, or other verification step. ...

Crawler Detect is a PHP library that detects bots, crawlers, and spiders by analyzing user-agent headers and comparing them against a constantly updated list of known crawlers. It's useful for analytics, rate-limiting, or displaying alternative content for automated tools. It is fast, lightweight, and easy to integrate into any PHP application.