How to Know What Anti-Bot Service a Website is Using?
In this article we'll take a look at two popular tools: WhatWaf and Wafw00f which can identify what WAF service is used.
Response status code 520 generally means the server failed to generate a valid response (Often related to Cloudflare). This could be caused by technical issues however in web scraping this can also mean insufficient request details or web scraper blocking.
To avoid status code 520 when web scraping ensure that sent requests contain all required headers like secret/CSRF tokens, Origin, Referer and other commonly required details. If it's a POST request make sure the sent body matches expected format.
Otherwise, it's possible the scraper is being identified and blocked. For that refer to our how to scrape without being blocked guide which covers all of the ways to prevent web scrapers from being identified.
This knowledgebase is provided by Scrapfly — a web scraping API that allows you to scrape any website without getting blocked and implements a dozens of other web scraping conveniences. Check us out 👇
In this article we'll take a look at two popular tools: WhatWaf and Wafw00f which can identify what WAF service is used.
Learn how to prevent TLS fingerprinting by impersonating normal web browser configurations. We'll start by explaining what the Curl Impersonate is, how it works, how to install and use it. Finally, we'll explore using it with Python to avoid web scraping blocking.
In this article, we'll explore the FlareSolverr tool and how to use it to get around Cloudflare while scraping. We'll start by explaining what FlareSolverr is, how it works, how to install and use it. Let's get started!
Captchas can ruin web scrapers but we don't have to teach our robots how to solve them - we can just get around it all!