Guides, Tutorials & Insights
Learn about residential proxies, web scraping, data collection strategies, and industry best practices from the Shifter team.
Do CAPTCHAs Stop Bots or Just Slow Them Down? Measuring Deterrence Against Solve Rate
What two decades of research says about CAPTCHAs: how long they cost humans, how often bots and AI agents solve them, and why they now work as a cost.
Public-Interest Price Monitoring: Collecting Evidence That Stands Up to Scrutiny
How consumer groups, journalists and compliance teams monitor prices to test discount claims, and how to collect evidence a retailer cannot dismiss.
What Your Legal Team Will Ask Before Approving a Scraping Project
The questions legal and compliance teams ask before they sign off on web data collection, why they ask them, and what a good answer looks like.
Auditing NAP Consistency Across Local Directories
A business listed with an old phone number or address on a dozen directories confuses customers and search engines. How to audit NAP data and fix what matters.
How Fast Do Online Prices Actually Change? A Volatility Study
What published research shows about how often online prices change, from retailer sites to marketplace Buy Boxes, and what it means for monitoring cadence.
Who Owns Scraped Data? Rights, Licensing and What You Can Resell
Collecting web data does not make you its owner. Which rights sit in a scraped dataset, what you can license or resell, and what stays someone else's.
Geo-Grid Rank Tracking: Measuring Local Rankings Block by Block
A local business has no single Google rank: it changes every few blocks. How to measure it with a geo-grid, read the metrics, and act on the map.
Web Data Collection for Academic Research: Reproducibility, Ethics Review and How to Cite a Scraped Dataset
Scraped data is now common in research, but often hard to reproduce, review or cite. How to collect web data that survives peer review, ethics boards and reuse.