The ProxyLabs journal
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Guides, technical explainers, and lessons for building with proxies. Find the answers you need, then put them to work.
Charles Proxy: The Scraper's Debugging Masterclass
How to use Charles Proxy to find exactly why your scraper is getting blocked. SSL proxying, request diffing, Map Remote, Breakpoints, and mobile app interception.
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36 articlesCharles Proxy: The Scraper's Debugging Masterclass
How to use Charles Proxy to find exactly why your scraper is getting blocked. SSL proxying, request diffing, Map Remote, Breakpoints, and mobile app interception.
HAR Files for Web Scraping Debugging: Capture, Analyze, and Replicate
HAR files capture every request a real browser makes — headers, cookies, timing, bodies. How to record them, scrub PII, analyze for bot detection signals, and extract exact headers to replicate in your scraper.
HTTP Header Order: Why It Gets You Blocked and How to Fix It
Anti-bot systems check more than just your User-Agent. HTTP/2 pseudo-header order, Sec-Ch-Ua Client Hints, and header consistency with your TLS fingerprint all matter in 2026.
JA4+ TLS Fingerprinting: What Changed in 2026 and Why JA3 Is No Longer Enough
JA3 is broken by Chrome's extension randomization. JA4+ solves this with sorted, randomization-resistant fingerprints. How JA4 parts A/B/C work, HTTP/2 SETTINGS frame detection, TLS Greasing, and what actually passes anti-bot checks in 2026.
tls-client: The Complete Guide to Bypassing TLS Fingerprinting
How bogdanfinn's tls-client library lets you mimic real browser TLS handshakes. Python, Go, and Node.js examples with residential proxy integration.
How to Scrape Amazon Prices in 2026 (Without Getting Blocked)
A working guide to scraping Amazon product prices with residential proxies. Covers their anti-bot stack, request patterns, and code examples in Python.
How to Set Up a Proxy with cURL (Every Option Explained)
Complete cURL proxy reference: HTTP, HTTPS, SOCKS5, authentication, geo-targeting, and troubleshooting. Every flag and option with working examples.
Proxy Authentication: IP Whitelist vs User/Pass vs API
Compare proxy authentication methods: IP whitelisting, username/password, and API tokens. Covers security trade-offs, setup complexity, and when to use each.
Puppeteer Proxy Setup: Headless Chrome with Rotating IPs
Configure Puppeteer with rotating residential proxies. Covers proxy authentication, page-level rotation, session persistence, and stealth plugins.
Residential Proxies for SEO & SERP Monitoring
How to use residential proxies for accurate SERP tracking, rank monitoring, and SEO audits. Covers geo-targeting, avoiding personalization bias, and code examples.
Rotating vs Sticky Proxies: When to Use Each
Rotating and sticky proxies solve different problems. This guide explains when each type works best, with real examples from scraping, account management, and testing.
Scrapy Proxy Middleware: Rotating IPs Without Bans
Build a Scrapy proxy middleware that rotates residential IPs per request. Includes retry logic, geo-targeting, bandwidth tracking, and ban detection.
Showing 12 of 36 articles