Tech Blog

Detailed analysis of Google ReCaptcha v3's scoring algorithm, influencing factors, and optimization strategies to help developers better understand and apply this frictionless verification technology...

In-depth analysis of Cloudflare's multi-layer protection system, including 5-second shield, browser verification, device fingerprinting, and corresponding technical countermeasures...

Build a complete CAPTCHA recognition system from scratch, including image preprocessing, feature extraction, model training, and API service deployment...

Analyze Akamai's device fingerprinting, behavioral analysis, machine learning and other anti-bot technologies to understand enterprise-level bot protection architecture...

Design efficient, secure, and user-friendly CAPTCHA recognition API interfaces, including authentication mechanisms, rate limiting strategies, error handling, and more...

Share practical experience in improving CAPTCHA recognition speed and accuracy, including concurrent processing, caching strategies, load balancing and more...

Explore how to design and implement a highly available, scalable distributed CAPTCHA service system, including microservice architecture, containerization deployment, and service governance...

Introduction to CNN, RNN, Transformer and other deep learning models in CAPTCHA recognition, including model selection, training techniques and deployment optimization...

In-depth analysis of Canvas, WebGL, AudioContext and other browser fingerprinting technologies, their principles, implementation, and anti-fingerprinting methods...