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The s4m blog

Guides, how-tos and deep dives on VPN, proxies, dedicated IPs and staying private online.

Showing 49–72 of 191

Latest articles

Proxy Authentication Errors in Selenium: Causes and Fixes

Learn how to diagnose proxy authentication errors in Selenium across browsers, headless mode, remote grids, and CI setups.

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How to Use a Proxy with Postman

Learn how to use a proxy with Postman in the desktop app, including global settings, credentials, and request-specific overrides.

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How much does a WireGuard VPN cost for a small team?

Learn how much does a WireGuard VPN cost for a small team by comparing DIY, managed hosting, and ongoing setup and maintenance costs.

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How to migrate from OpenVPN to WireGuard

Learn how to migrate from OpenVPN to WireGuard with a safe cutover plan, config mapping, and checks for routes, DNS, and peers.

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How to Measure Proxy Latency and What the Numbers Mean

Learn how to measure proxy latency and what the numbers mean by separating browser delay, proxy-hop time, and request timing.

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Dropshipping Ad Testing with VPN and Proxy Setup

If you run ads for a dropshipping store, your hardest job is not just buying clicks. It is keeping campaigns testable while your browsing, ad accounts, supplier research, and payment setup do not trip

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Why Is My Proxy Showing the Wrong City in a Browser?

Why is my proxy showing the wrong city in a browser? Learn how IP databases, browser settings, and proxy type can change the city shown.

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How Much Do VPN Proxies Cost at Scale?

Learn how much do VPN proxies cost at scale, including pricing models, key cost drivers, hidden fees, and VPN vs proxy tradeoffs.

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How to use a dedicated IP with Zapier

Learn how to use a dedicated IP with Zapier for allowlisted apps, fixed egress, and safer automation workflows.

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How much does a VPN cost for a small team?

Learn how much does a VPN cost for a small team, what drives pricing, and which features change the monthly or annual bill.

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Are Proxies Allowed for Account Creation?

Learn when are proxies allowed for account creation, plus common platform rules, risks, and verification checks that affect new signups.

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How to Set Up a Proxy in Playwright

Learn how to set up a proxy in Playwright for geo checks, IP rotation, and authenticated proxy access in browser launch options.

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What Does a Proxy Cost for Price Monitoring at Scale?

Learn what does a proxy cost for price monitoring at scale, including proxy types, bandwidth, retries, geo coverage, and pricing models.

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Is using a proxy with personal data GDPR compliant?

Is using a proxy with personal data GDPR compliant? Learn when proxy use can meet GDPR rules and the main risks to avoid.

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How to migrate from a home internet connection to a dedicated IP for automation

Learn how to migrate from a home internet connection to a dedicated IP for automation with checks for DNS, firewall rules, and cutover planning.

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Best Proxy for In-House QA Testing: Ranked Options for Reliable Test Environments

Find the best proxy for in-house QA testing with ranked options for geo checks, speed, login flows, and mobile behavior in reliable test environments.

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How much do authenticated proxies cost at scale

Learn how much do authenticated proxies cost at scale, including pricing models, add-ons, and the factors that change enterprise proxy bills.

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Are Proxies Legal for Web Scraping?

Learn when are proxies legal for web scraping, how site rules affect risk, and when proxies or scraping can cross legal lines.

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What Metrics Show Proxy Health?

Learn what metrics show proxy health, including availability, latency, success rate, and error rate, to spot failing proxies early.

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Why does my proxy get blocked on some websites?

Learn why does my proxy get blocked on some websites, from IP reputation and proxy type to browser fingerprints, request patterns, and site policy.

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WireGuard VPN vs OpenVPN for privacy

WireGuard VPN vs OpenVPN for privacy: compare metadata, logging, DNS handling, and deployment choices that shape real-world anonymity.

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VPN vs Proxy: Which Tool Hides Your IP Better?

If your goal is to hide your real IP, the first thing to accept is that “private browsing” alone does not solve the problem. A browser may keep your history local, but your network identity still leak

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How to Use a Proxy with Python Requests

Learn how to use a proxy with Python requests using basic settings, authentication, and environment variables.

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Proxy Logs and Privacy Compliance

Learn how proxy logs and privacy compliance intersect, including data minimization, retention, access control, and legal risks.

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