"Error 1020: Access Denied" can be seen when web scraping websites powered by Cloudflare WAF. This means Cloudflare has blocked your scraper's IP address.
This error can be caused by a variety of reasons from web scraping too fast to using low-quality proxies. Cloudflare's anti-bot systems are using a variety of technologies to detect web scrapers, like:
- TLS Fingerprinting
- IP address analysis
- javascript fingerprinting
- HTTP connection analysis (headers, connection patterns etc.)
So, to avoid this error, the scrapers needs to be fortified against Cloudflare's anti-scraping technologies which can be done by using proxies and better scraping pracitces and libraries.
How to Bypass Cloudflare When Web Scraping in 2025
Cloudflare offers one of the most popular anti scraping service, so in this article we'll take a look how it works and how to bypass it.
