Proxy knowledge base
Guides, comparisons and tutorials to help you choose and use proxies the right way.
The Anti-Blocking Checklist: 12 Things to Fix Before Buying More Proxies
Work through these in order. Most scrapers that get blocked have a client problem, not a proxy problem, and eight of these cost nothing to fix.
Jul 30, 2026 · 3 min read
GuidesHow to Set Up a Proxy in Chrome and Firefox
Chrome uses your system settings; Firefox has its own. Here is how to configure each, why extensions are usually the better answer, and how to verify it worked.
Jul 30, 2026 · 3 min read
Proxy BasicsRotating vs Sticky Sessions: Which Proxy Rotation Do You Need?
Rotate every request and you will be logged out constantly. Keep one IP too long and you get rate-limited. Here is how to choose per task.
Jul 30, 2026 · 3 min read
GuidesProxy Error Codes Explained: 407, 403, 429 and What to Do
Your proxy returns 407, 403 or 429 and the request dies. Here is what each code actually means, which side caused it, and how to fix it.
Jul 30, 2026 · 4 min read
ComparisonsSOCKS5 vs HTTP Proxies: Which One Should You Use?
HTTP proxies understand web traffic; SOCKS5 forwards anything. Here is what actually differs, when each wins, and the DNS-leak detail most guides miss.
Jul 30, 2026 · 3 min read
GuidesProxy Authentication: Username/Password vs IP Whitelisting
Two ways to prove a proxy is yours. One works anywhere, one needs no credentials in your code. Here is when each is the right choice, and how to switch.
Jul 30, 2026 · 3 min read
GuidesHow Many Proxies Do You Need for Web Scraping?
A simple formula based on your request rate and the target rate limit, plus why buying more proxies is often the wrong fix.
Jul 30, 2026 · 3 min read
GuidesHow to Test if a Proxy Is Working (and Actually Hiding You)
Copy-paste commands to check a proxy responds, returns the right country, supports HTTPS, and is not leaking your real IP through headers or DNS.
Jul 30, 2026 · 3 min read
ComparisonsStatic vs Rotating Residential Proxies: What You Actually Pay For
Static residential (ISP) proxies are billed per IP; rotating residential is billed per gigabyte. That billing difference should drive your choice more than the technology does.
Jul 30, 2026 · 3 min read
GuidesHow to Use Proxies with Python Requests (Properly)
Working examples for requests, sessions, rotation, retries and httpx — including the SOCKS5 DNS-leak detail and why verify=False is a mistake.
Jul 30, 2026 · 3 min read
GuidesHow to Use Proxies with Puppeteer and Playwright
Working proxy configuration for both libraries, including authentication, per-context proxies in Playwright, and the detection tells that get headless browsers blocked.
Jul 30, 2026 · 3 min read
Proxy BasicsWhat Is a Mobile Proxy, and When Do You Actually Need One?
Mobile proxies carry the highest trust of any IP type because thousands of real users share the same address. They are also the most expensive. Here is when that trade is worth it.
Jul 30, 2026 · 4 min read
GuidesWhy Proxies Get Banned (and How to Avoid It)
Most bans have nothing to do with the proxy. Here are the four things that actually get you blocked, in the order sites check them.
Jul 30, 2026 · 4 min read
Use CasesThe Best Proxies for Managing Multiple Social Media Accounts
Running multiple social accounts without bans comes down to IP trust. Here is why mobile and residential proxies win, and how to set them up safely.
Jul 8, 2026 · 2 min read
GuidesHow to Use Proxies for Web Scraping Without Getting Blocked
Practical techniques to scrape at scale without bans: choosing the right proxy type, rotating IPs, throttling requests, and handling CAPTCHAs.
Jun 24, 2026 · 2 min read
ComparisonsISP vs Residential vs Mobile Proxies Explained
Static ISP, rotating residential, and 4G/5G mobile proxies each win at different jobs. Here is how they differ and which to pick for your use case.
Jun 10, 2026 · 2 min read
ComparisonsResidential vs Datacenter Proxies: Which Should You Use?
Residential and datacenter proxies solve different problems. Compare speed, cost, detectability and best use cases to pick the right one for your project.
May 28, 2026 · 2 min read
Proxy BasicsWhat Are Residential Proxies and How Do They Work?
A plain-English guide to residential proxies: what they are, how they route your traffic through real devices, and when to use them over datacenter IPs.
May 12, 2026 · 2 min read