PurpleMark guides for browser profile isolation, proxies, multi-account operations, and team collaboration.
If you want to expand into the U.S. market, eBay US is one of the platforms many sellers consider. This guide explains the market characteristics of eBay US, the information you need to open a store, the process from registration to listing, the main fees involved, and what Chinese sellers should watch for when operating multiple stores compliantly.
From DigitalOcean and Vultr to Render and Heroku, the global cloud market offers an overwhelming number of choices. This guide first explains what cloud providers can offer, then groups mainstream developer-friendly IaaS virtual servers and PaaS hosting platforms, comparing their positioning, core services, and suitable use cases to help you choose the right cloud service for your project stage.
After widespread Giffgaff SIM deactivations, what should you do with accounts tied to that number? This guide explains two paths—porting your number or switching numbers and rebinding accounts—then compares 10 UK/Hong Kong eSIM options from lowest to highest number-retention cost, and explains why a phone number plus a stable usage environment matters for long-term account security.
AI agents have evolved from simply answering questions to actually executing tasks. This article reviews 10 of the most popular agent platforms in 2026—GPTs, Copilot Studio, Claude Agents, Gemini Agent, LangChain, LangGraph, CrewAI, LlamaIndex, Perplexity Agents, and Coze—and builds a selection framework around positioning, core capabilities, and pricing.
From classic frameworks like Selenium, Playwright, and Puppeteer to AI-driven Skyvern and enterprise RPA leader UiPath, browser automation tools cover very different needs. This guide reviews nine mainstream browser automation and testing tools, comparing their positioning, strengths, and best-fit scenarios so you can choose based on your tech stack and requirements.
ClickBank is an affiliate platform focused on digital product distribution, known for high commission rates and a low barrier to entry. This guide explains what ClickBank is, how to register an affiliate account, how to evaluate products with the Gravity score, and five traffic strategies using long-tail content, communities, short videos, visual posts, and email so beginners can complete the full path from promotion to their first sale.
Virtual gift cards are redemption credentials delivered as electronic codes, commonly used for game top-ups, streaming memberships, and e-commerce gift cards. This article explains what virtual gift cards are, their main types, compares mainstream purchasing platforms such as OffGamers, G2A, Eneba, Codashop, Kinguin, and MyCard, and offers tips for choosing a platform and buying compliantly.
Does TikTok open to a black screen or fail to load videos on the Home feed? Is the cause your network, app cache, or account? This guide follows a “software first, then network, then account” order to help you identify and fix TikTok black-screen issues step by step.
A headless browser is a browser without a graphical interface that can run web tasks in the background on a server. This guide explains how headless browsers work, how to use headless mode with Puppeteer, Playwright, and Selenium, and the most common issues and ways to address them.
Web crawlers can automatically visit web pages and collect data at scale for price monitoring, market research, brand monitoring, and more. This guide explains the differences between crawlers, crawling, and scraping, how the process works, why websites block crawlers, and how to collect public data safely and compliantly.
AI web automation lets systems understand page semantics and autonomously click, fill forms, and navigate. This guide explains the perception → reasoning → action loop, compares Selenium, Playwright, Computer Use, and AI Agent approaches, and covers practical deployment challenges.
An HTTP proxy forwards requests between you and a website, so the site sees the proxy IP instead of your real IP. This guide explains how HTTP proxies work, how they differ from VPNs, compliant uses in cross-border operations, and how to choose and configure one.
