Guides, Tutorials & Insights
Learn about residential proxies, web scraping, data collection strategies, and industry best practices from the Shifter team.
Consent Walls by Country: Where the Web Is Hardest to Read
Consent banners, reject walls and pay-or-okay screens are not spread evenly. What crawls of 31 countries show about where the web is hardest to reach.
How to Monitor Employer Reviews and Ratings Across Sites
Employer reviews shape who applies. How to monitor ratings and themes across review sites, benchmark competitors, and stay within each site's rules.
How to Track Layoffs and Workforce Changes in Real Time
Layoffs leave a trail of public signals before and after the headlines. How to combine WARN notices, filings, news and hiring data into a reliable event feed.
Grounding LLM Agents with Live Web Data via Proxies
Grounding ties an agent's answer to sources it can cite. What grounding is, how a live-web grounding loop works, and the places it silently breaks.
How to Build Large-Scale Training Datasets from the Open Web
Collecting pages is the easy part. How to turn an open-web crawl into a training corpus: frontier, opt-outs, extraction, filtering, dedup and decontamination.
How to Detect and Filter AI-Generated Content in Web Datasets
No detector reliably spots AI-generated text on its own. How ML teams combine provenance, source, duplicate and statistical signals to filter web datasets.
Contact and Company Enrichment: Data Sources + Proxy Infrastructure
Data enrichment fills gaps in records you already hold. What each enrichment type needs, where the data comes from, and where proxy infrastructure fits.
Building a B2B Lead Database with Web Scraping (Compliant & at Scale)
A lead database is an account model with contacts attached, not a list of emails. How to build one from public sources with compliance built into the schema.
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.