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 Know If You Are Banned from ChatGPT and What to Do Next
If ChatGPT suddenly stops working, it does not always mean your account is banned. The issue could be an account deactivation, blocked prompt, suspicious activity alert, browser session error, OpenAI outage, or network/IP problem. This guide helps you identify the real cause, try the right fix, and understand when a stable proxy solution like Nstdata can help.
Best Proxies for China: Top China Proxy Providers for 2026
Compare the best proxies for China, including residential, ISP, mobile, and datacenter proxies for research, testing, and data workflows.
Best Proxies for Amazon in 2026: Top Picks for Scraping & Price Monitoring
Amazon is the hardest major e-commerce platform to scrape reliably — its anti-bot systems block low-quality proxies before a single request is processed. In this guide, we break down the best proxies for Amazon in 2026, compare top providers on success rate, geo-targeting, and price, and explain why NSTData is the best-value choice for businesses running price monitoring, competitor research, and product data extraction at scale.
Perplexity Proxy: API, SDK, and Web Access Guide in 2026
A Perplexity proxy can mean different things depending on the user. Developers may need proxy settings for the Perplexity SDK or API requests, teams may need an AI gateway like LiteLLM, and regular users may need stable browser access to Perplexity.ai. This guide explains each proxy type clearly and shows where Nstdata fits for reliable web access and browser-level routing.
How to Open OnlyFans Without VPN: 2026 Practical Fixes That Work
OnlyFans may fail to open because of browser cache, blocked Wi-Fi, DNS filtering, region restrictions, account checks, or poor VPN IP reputation. If you do not want to use a VPN, you can try browser cleanup, mobile data, DNS changes, high-quality proxies, or a clean browser profile. This guide explains each method clearly and shows how Nstdata and Nstbrowser can help create a more stable access environment.
How to Unlock YouTube: 4 Easy Fixes for Any Issue
Unlocking YouTube depends on what kind of “lock” you are dealing with. Sometimes YouTube is blocked by a school, workplace, country, or network. Other times, Restricted Mode is enabled, creator features are locked, or your own video privacy settings are preventing access. This guide explains the four most common ways to unlock YouTube, with clear steps for each situation.
Why Reddit Ban My IP and How to Get Past It in 2026?
A Reddit IP ban is not always a simple network block. Many users confuse IP bans with account suspensions, subreddit bans, shadowbans, or browser/session issues. This guide explains how to diagnose the real problem, recover access safely, appeal when needed, and use stable network tools like Nstdata Static ISP proxies to reduce future Reddit access problems.
How to Use Proxy for Instagram: A Practical Setup Guide
Using a proxy for Instagram is not just about changing your IP address. The right setup depends on your goal, whether you are managing accounts, testing regional content, checking public data, or keeping login sessions stable. This guide explains which proxy type works best for Instagram, how to configure it on browsers and mobile devices, and why Nstdata is a strong option for Instagram-related workflows.
How to Use Proxy on Craigslist Proxy with Best Provider in 2026
Learn what a Craigslist proxy is, why people use one, the best proxy providers, and how to set up Nstdata on Craigslist.
