Guides, Tutorials & Insights
Learn about residential proxies, web scraping, data collection strategies, and industry best practices from the Shifter team.
The Silent Failure Rate: What Share of Successful Requests Return the Wrong Content
An HTTP 200 does not mean you got the page. What research shows about block pages, soft 404s and challenges hiding behind success, and how to measure your own.
Chris Collins · September 23, 2026 Do SEO Tools Report Real Search Volume? Three Vendors Against SERP Reality
Keyword Planner, Semrush and Ahrefs each estimate search volume differently. What independent tests found, and why the live SERP matters more than the number.
Matt Brown · September 21, 2026 Which Countries Get Geo-Blocked Most, and by Whom
Sanctioned countries top every measurement of geo-blocking, but they are not the whole story. What the research shows about who blocks whom, and how.
James Meadow · September 21, 2026 Ad Load by Market: How Much of a Page Is Advertising, Country by Country
Nobody has published ad bytes as a share of page bytes by country. Here is what the data does show, and why Chrome just made the real answer possible.
Matt Brown · September 20, 2026 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.
Chris Collins · September 20, 2026 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.
Matt Brown · September 19, 2026 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.
James Meadow · September 18, 2026 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.
Chris Collins · September 18, 2026 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.
James Meadow · September 17, 2026