Marcus Chen
Product & Network Architect
Marcus Chen is a Product & Network Architect at Nstdata with deep expertise in proxy infrastructure, network engineering, and web data acquisition. He specializes in designing scalable residential, ISP, mobile, and datacenter proxy solutions that enable reliable access to global web resources. His articles focus on proxy technologies, network optimization, cybersecurity, and large-scale scraping architecture.
All Articles
How to Build a Reliable List Crawler with Python and Nstdata
This hands-on guide compares three list-crawling ownership models using one record contract. It adds the restart, deduplication, encoding, pagination, and validation controls that basic tutorials omit.
What Is CLI & Why AI Agents Prefer It | New
A CLI gives software and AI agents a compact process-level contract built from commands, streams, and exit statuses. This guide explains the parts that make command-line tools reliable for agents and shows when an API or visual interface is the better choice.
MechanicalSoup Proxy: A Practical Setup Guide for 2026
Configure MechanicalSoup proxies correctly at the Requests session layer, verify GET and form POST routing, protect credentials, manage sticky rotation, and troubleshoot failures.
PHP Proxy in 2026: How to Setup and Use Proxies
Set up a PHP proxy with cURL or Guzzle, protect credentials, control sessions, verify the exit IP, and troubleshoot authentication and connection errors.
How to Use PowerShell Invoke-WebRequest with a Proxy
Configure Invoke-WebRequest with an authenticated PowerShell proxy, verify the exit IP, use environment variables safely, and troubleshoot common errors.
How to Bypass Cloudflare in 2026: Updated
Fix Cloudflare human verification loops safely with updated browser checks, zone-owner rules, Turnstile pre-clearance, APIs, and proxy diagnostics.
Stepwise Guide to Build A Python Proxy Server
Build a working Python proxy server from scratch: relay plain HTTP, tunnel HTTPS with the CONNECT method, add Basic auth, and handle concurrent clients with asyncio -- every behavior verified live against a real target.
concurrency vs parallelism: Main difference & use cases 2026
Concurrency vs parallelism, explained with live Python benchmarks: threading and asyncio give concurrency without extra cores, multiprocessing gives real parallelism past the GIL, and a decision guide covers when to use each -- plus what Python 3.13+ free-threading changes.
How to Use and Rotate a Proxy Server in Python (2026)
A practical, live-tested guide to using and rotating proxy servers in Python: authenticated proxies with requests, session reuse, retry/backoff with urllib3, concurrent rotation with aiohttp, SOCKS5 support, and the tradeoffs between a self-maintained IP list and a provider-managed rotating gateway.
