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 Use HTTPX with Proxies: 2026 Complete Guide
Use HTTPX with proxies through five tested Python patterns covering authentication, AsyncClient rotation, environment settings, mounts, and troubleshooting.
How to Use Proxy with OkHttp (2026 Full Guide)
Configure an OkHttp proxy with tested Java examples for explicit routing, authentication, rotation, route checks, and practical troubleshooting.
The Best AI Search Engine Agents Review in 2026
A verified 2026 review ranking the best AI search engine agents, from Perplexity and Exa to Nstdata Crawl's infrastructure layer for custom agents.
Fine-Tuning Llama 4: A Practical Guide
Learn how to fine-tune Llama 4 Scout with transformers, peft, and trl -- LoRA setup, hardware limits, dataset formatting, and common training errors.
2026 Ultimate Guide to CMS Migration for SEO: Updated
A CMS migration puts existing rankings at risk. This 2026 guide walks through the five-stage process — audit, URL mapping, staging QA, launch, and post-launch monitoring — to protect SEO.
Hermes vs Openclaw：2026 Main Comparasion
Hermes Agent and OpenClaw solve different operational problems. This comparison maps those differences to deployment scenarios and gives a safer runbook for either runtime.
How to Scrape Websites with JavaScript in 2026 | Nstdata Way
Build a JavaScript scraper that chooses the lightest reliable extraction method and validates real output. The guide also shows when managed crawling becomes the better operational choice.
Best PDF Parsers for AI and RAG Workflows in 2026
A researched, evidence-checked comparison of the best PDF parsers for AI and RAG pipelines in 2026 — LlamaParse, Docling, Marker, Unstructured, Reducto, Firecrawl, PyMuPDF4LLM, and the major hyperscaler document-AI APIs — ranked on OCR, table extraction, and cost, plus an honest look at where Nstdata Crawl fits (and doesn't) in a RAG data pipeline.
Top 10 Open-Source Web Scraping Libraries in 2026 [Don't Miss]
A ranked, evidence-checked comparison of the 10 best open-source web scraping libraries in 2026 -- Playwright, Puppeteer, Selenium, Firecrawl, Scrapy, Crawl4AI, Crawlee, BeautifulSoup, and lxml -- plus how the managed Nstdata Crawl API fits in, a real API walkthrough, and a language/license/JS-rendering comparison table.
