How to Choose the Best Proxy Unblocker?
Learn how to choose the best proxy unblocker to access blocked websites. Explore proxies, VPNs, and Scrapfly for bypassing restrictions safely.
What is Cloudflare Error 1020?
"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 2024
For more on how Cloudflare is blocking web scrapers see our in-depth explanation blog.
Provided by Scrapfly
This knowledgebase is provided by Scrapfly data APIs, check us out! 👇
- Web Scraping API - scrape without blocking, control cloud browsers, and more.
- Extraction API - AI and LLM for parsing data.
- Screenshot API - capture pages or elements with no blocks.
Alternatives to Cloudscraper to Bypass Cloudflare
Learn why Cloudscraper is outdated and explore modern alternatives for bypassing Cloudflare protections effectively and ethically.
What is Error 1015 (Cloudflare) and How to Fix it?
Discover why you're seeing Cloudflare Error 1015 and learn effective ways to resolve and prevent it.
What is HTTP Error 503 Service Unavailable and How to Fix it?
Understand what causes HTTP 503 errors, when they might indicate blocking, and how to effectively mitigate them.