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The Roundproxies Blog

Expand your proxy and web scraping knowledge with detailed tutorials and case studies.

Cloudflare, cf_clearance

How to scrape cf_clearance cookies in 2026: 7 working methods

Cloudflare blocks over 80% of automated web traffic. The cf_clearance cookie is your ticket past that wall. This cookie proves you solved Cloudflare's challenge. Without May 26

How to Solve Axios 403 Forbidden Error

Running into a 403 Forbidden error while working with Axios? You’re not alone. It’s frustrating: your request looks fine, but the server rejects it anyway. I’ May 26

How to bypass NuData in 2026

NuData Security's behavioral biometrics system blocks sophisticated automation attempts on Ticketmaster, Kohl's, and major enterprise platforms. This guide provides techniques to bypass their detection May 25

How to Use puppeteer-humanize for Web Scraping in 2026

Websites got smarter. Your bot needs to get smarter too. That's where puppeteer-humanize comes in. Here's the reality: anti-bot systems in 2026 analyze typing May 25
Cloudflare

Cloudflare Error 1020: 8 ways to fix "Access Denied"

Cloudflare Error 1020 means a website's Cloudflare firewall has flagged your connection as suspicious. In most cases, you can fix it within minutes. This guide covers May 19

How to Fix BeautifulSoup 403 Error

Running into a 403 Forbidden error while scraping with BeautifulSoup? You’re definitely not the only one. It’s one of the most common issues web scrapers face, May 17
Cloudscraper, Cloudflare, Bypass

Cloudscraper: Python Cloudflare Bypass Library Guide (2026)

Cloudflare blocks roughly 40% of the websites you want to scrape. Your Python requests hit a wall, returning 403 errors or challenge pages instead of data. Cloudscraper solves May 17

How to Fix Common Cloudscraper Issues & Errors

If you’ve ever tried scraping a website protected by Cloudflare, you know how frustrating it can be. One moment your script is working fine, the next you’ May 17

How to Fix the "No module named 'cloudscraper'" Error in 4 Simple Steps

Running into the ModuleNotFoundError: No module named 'cloudscraper' error? You're definitely not alone. It’s one of the more common headaches Python developers face May 16

5 best alternatives to Cloudscraper in 2026

Cloudscraper served its purpose, but Cloudflare's defenses have evolved far beyond what it can handle. If you're seeing endless 403 errors, Turnstile CAPTCHAs, and May 16

How to bypass Queue-IT: 7 simple methods (2026)

You've been staring at a progress bar for 45 minutes. The limited-edition sneakers drop in 10 minutes. When you finally get through Queue-IT's virtual May 05
Bypass, PerimeterX, Web Scraping

How to bypass PerimeterX in 2026: 6 best working methods

You've built your scraper. It pulls clean data from test pages without a hitch. Then you aim it at Zillow, Fiverr, or any major eCommerce site May 04
Bypass, Web Scraping

How to Bypass Castle Antibot in 2026: 6 Simple Steps

Castle Antibot combines device fingerprinting, behavioral analysis, and AI-powered detection to block automated requests with over 99% accuracy. In this guide, you'll learn exactly how to May 04

What is TLS Fingerprint and How to Bypass it in 2026

Your web scraper gets blocked even with perfect HTTP headers and rotating proxies. TLS fingerprinting reveals your automated tool before any data exchange happens. TLS fingerprinting identifies clients May 03

How to Web Scrape PDFs from Websites in 5 Simple Steps

Manually clicking through a website, downloading PDFs one by one, is slow work. I hit this on a data science project where I needed over 200 financial reports May 03

Web Scraping with Axios and Cheerio in 2026

Axios cheerio web scraping is the Node.js answer to Python's Requests and BeautifulSoup: Axios fetches the HTML over HTTP, Cheerio parses it with jQuery-style selectors. May 03

Residential vs. Datacenter Proxies: 10 Key Differences You Need to Know

The difference between residential vs datacenter proxies comes down to one thing: where the IP address lives. A datacenter proxy exits from a server in a hosting facility, May 03

IPv4 vs IPv6: The Beginner's Guide

IPv4 vs IPv6, explained simply: both are versions of the Internet Protocol, the addressing scheme that lets your phone, laptop, server, or smart plug find each other across May 03
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