Guides, Tutorials & Insights
Learn about residential proxies, web scraping, data collection strategies, and industry best practices from the Shifter team.
How to Monitor the Dark Web and Paste Sites for Leaked Credentials
Most credential leaks surface on paste sites and public channels, not hidden markets. How to monitor them, triage what you find and stay within the law.
James Meadow · September 16, 2026 How Fraud Teams Detect Account Takeover with Residential-IP Signals
A residential IP no longer means a real customer. How fraud teams combine geo, network, velocity and coherence signals to catch account takeover.
Chris Collins · September 16, 2026 How to Detect Geo-Personalized and Dynamic Pricing Across Markets
Prices vary by place, time and person, and a single observation cannot tell which. How to design paired, controlled checks that separate the three.
Matt Brown · September 16, 2026 Scraping JavaScript-Heavy Sites: When You Need a Web Scraping API
Once a site needs rendering, the real choice is running your own browser fleet or using an API. What each costs to operate, and how to decide per target.
James Meadow · September 15, 2026 How Real Estate Companies Use Web Scraping APIs for Market Intelligence
Property portals are JavaScript-heavy, paginated and localised. How real estate teams use a web scraping API as the collection layer, and what it costs.
Matt Brown · September 14, 2026 Best Web Scraping APIs for Amazon Monitoring and Price Intelligence
The best API for Amazon depends on the job. How the three kinds of API compare, what to test before buying, and where each fits in a price stack.
James Meadow · September 14, 2026 Building a Real-Time Housing Market Data Feed
Housing has no price tick. A real-time feed detects listing events, and its hardest problems are property identity and stable coverage, not speed.
James Meadow · September 12, 2026 How to Verify Localized Campaigns Across Every Market
Your campaign is approved in every market. That is not evidence it is being served correctly. How to verify localized campaigns from inside each market.
James Meadow · September 10, 2026 Competitive Campaign Intelligence: Monitoring Rival Ads Globally
Start with the official ad libraries, then observe what they cannot show you. How to build global competitor ad monitoring that survives scrutiny.
Matt Brown · September 10, 2026