18 known AI bot fingerprints · Free analyzer · Nothing uploaded
GPTBot, ClaudeBot, Perplexity — they're crawling your site 24/7. Find out exactly how much it's costing you, then block them with one line of code.
ANALYZE YOUR LOGS FREE →No account required · Nothing uploaded · Results in seconds
of all web traffic is now non-human. Most of it is AI bots you never invited.
estimated monthly bandwidth cost from AI scrapers for a typical 50k visitor/mo site.
BotCost verification latency. Runs at Cloudflare's edge — zero impact on real users.
How it works
01 — UPLOAD
Drop your log file
Drag and drop your Nginx, Apache, Cloudflare, or Vercel log file. Everything stays in your browser — nothing is uploaded.
access.log · access.csv ·
vercel-logs.json
02 — ANALYZE
See exactly who is hitting you
We match every request against 18 known AI bot fingerprints and calculate the real bandwidth cost in dollars.
GPTBot · ClaudeBot ·
Bytespider · CCBot + 14 more
03 — BLOCK
Get your block rule
Generate a ready-to-paste WAF rule for Cloudflare, Nginx, or Next.js. Copy, paste, done.
Cloudflare WAF · Nginx ·
Next.js · robots.txt
Try the free analyzer
Upload your server log and see exactly which AI bots are hitting your site and what it costs. No account required.
ANALYZE YOUR LOGS FREE →Free · No account · Works on Nginx, Cloudflare, Vercel