Cloudflare
Answers on Cloudflare errors, challenges, rate limits, and scraper detection patterns.
4 answers
What is the HTTP 403 status code, and why does it happen?
HTTP 403 Forbidden means the server identified your request and refused to authorize it. Common causes are anti-bot rules, IP blocks, and WAF filters.
Apr 28, 2026
What is Cloudflare error 1015 and how do you fix it?
Cloudflare error 1015 means your IP hit a rate-limit rule set by the site owner. Stop retrying, wait for the block to expire, or switch to another network.
Apr 28, 2026
What is Cloudflare error code 1010 and how do I fix it?
Cloudflare error 1010 means the Browser Integrity Check blocked your request fingerprint. Disable extensions and VPN, or patch your scraper's fingerprint.
Apr 28, 2026
What is HTTP error code 520, and how do you fix it?
Cloudflare error 520 means the origin returned an empty or unparseable response. Common causes are crashes, firewall blocks, and oversized response headers.
Apr 28, 2026