BotCost.dev: A Free Browser-Based Tool to Detect and Block AI Bot Traffic on Your Website
BotCost.dev is a free browser-based tool that analyzes server log files (Nginx, Apache, Cloudflare, Vercel) to identify requests from 19 known AI bot crawlers (GPTBot, ClaudeBot, Bytespider, CCBot, etc.). It calculates the bandwidth cost in dollars and generates ready-to-paste WAF rules to block unwanted AI bot traffic. All processing happens locally in the
