Q&A

Anti-bot

Answers on Cloudflare, CAPTCHA, fingerprints, rate limits, and other blocking systems that affect scraping jobs.

5 answers

All Anti-bot Basics BeautifulSoup Browser Automation Cloudflare CSS Selectors Data Extraction Headers and Cookies HTML Parsing HTTP Status Codes JavaScript Networking Python Rate Limits Selectors Selenium Web Scraping XPath

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 the HTTP 429 status code?

HTTP 429 Too Many Requests means you exceeded the server's rate limit. Honor the Retry-After header or use exponential backoff before resuming requests.

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 the HTTP 444 status code and what does it mean?

HTTP 444 is an Nginx-only code that closes the connection without sending any response. The client sees ERR_EMPTY_RESPONSE and the code appears in Nginx logs.

Apr 28, 2026