Guides
How each proxy type works under the hood: CGNAT on mobile carriers, ASN classification, session models and the detection signals platforms read. Written for people who run the traffic, not for people who resell it.
Covered here: rotating residential proxies, mobile proxies, static ISP proxies.
GuidesPython requests proxy: auth, sessions, SOCKS5 and rotation
Set a proxy in Python requests the right way: the proxies dict and its https key, auth encoding, sessions, SOCKS5, rotation, retries and the silent bypass.
GuidesAre free proxies safe? What a free list actually delivers
What studies of free proxy lists found: dead proxies, leaked IPs, injected scripts and swapped certificates, what HTTPS hides, and when free is fine.
GuidesAd verification proxies: checking ads market by market
How to verify ad placements, creatives and landing redirect chains per market from a consumer origin, which proxy tier fits, and how to size a setup.
GuidesScrape Google search results: API, parsing, pacing
How to scrape Google search results in 2026: the Custom Search JSON API and its limits, what Google's terms say, parsing, pacing and setting location.
GuidesProxies for AI agents: giving an agent reliable web access
Proxies for AI agents give a cloud-hosted agent a home or ISP origin. Which jobs need one, which type and rotation fit, and how to wire Playwright and MCP.
GuidesProxies for AI training data: throughput, sizing and rules
How to size proxies for AI training data: why datacenter ports carry most of the crawl, where residential fits, opt-out rules and a sized 10M page job.
GuidesHow anti-bot systems work, and where a proxy tier fits
How anti-bot systems work, from vendor docs: IP reputation, TLS fingerprints, browser checks and behaviour feed one score, then a policy picks the challenge.
GuidesMultiple Amazon seller accounts: what Amazon allows and how
Amazon allows extra seller accounts only for a legitimate business need. What counts, what each account needs, how teams log in, and where a static IP fits.
GuidesMultiple Facebook ad accounts: Meta's limits and setup
Meta allows several ad accounts in one business portfolio. The real limits, roles, agency access and spend controls, and where a steady login IP helps a team.
GuidesProxies for social media management: one client, one origin
Proxies for social media management, inside the rules: when Meta, TikTok and LinkedIn access tools do the job, and when one origin per client helps.
GuidesTikTok proxies: regional research and brand accounts
TikTok proxies for brands and agencies: what TikTok's rules allow, how to see what each market is shown, and how to run accounts you own from one origin.
GuidesOkHttp proxy: auth, SOCKS5, rotation and 407 fixes
OkHttp proxy setup in Kotlin and Java for OkHttp 4.12 and 5.x: proxyAuthenticator done right, SOCKS5 logins, the system proxy, rotation and the 407 traps.
GuidesPHP cURL proxy: CURLOPT_PROXY, auth, SOCKS5 and errors
PHP cURL proxy setup that works: CURLOPT_PROXY and PROXYUSERPWD, special characters, SOCKS5 and socks5h, env variables, reuse, rotation and the 407 errors.
GuidesInstagram proxies for brand and agency account logins
Instagram proxies for brand and agency teams: what Instagram allows, why login location matters, which proxy type fits, billing, and when you need none.
GuidesC# HttpClient proxy: WebProxy, auth, SOCKS5 and rotation
C# HttpClient proxy setup for .NET 8 and 10: WebProxy credentials, SOCKS5, environment proxies, IHttpClientFactory, rotation and the 407 and https:// traps.
GuidesJava proxy setup: HttpClient, Authenticator and SOCKS5
Java proxy setup that works: system properties, java.net.Proxy, HttpClient, a scoped Authenticator, the 407 fix for Basic over CONNECT, SOCKS5, OkHttp, Apache.
GuidesPlaywright proxy setup: scopes, auth, SOCKS5, rotation and timezone
Set a Playwright proxy per browser, per context or in playwright.config. Fix 407 and SOCKS5 auth errors, rotate by context, and set timezone for geo-QA.
GuidesUS mobile proxies: carriers, targeting and exit checks
US mobile proxies exit through US carrier networks. How CGNAT and the three national carriers shape them, how precise targeting is, and how to check the exit.
GuidesHow to scrape Google Maps: Places API first, then scraping
How to scrape Google Maps: how the Places API is billed now, what Google's terms allow, and a scraping method for public business data with city-level proxies.
GuidesUSA datacenter proxies: which US targets accept them
USA datacenter proxies are fast US server IPs. Which US targets accept hosting networks, which filter them, how to test one exit and when another tier fits.
GuidesHow to scrape Amazon: Python, the law and official APIs
Scrape public Amazon product and price data with Python: what the terms and courts say, the official API routes, polite rate limits and where proxies fit.
GuidesGermany proxies: targeting, sessions and exit checks
Germany proxies give a German exit IP. Which proxy type fits, how state and city targeting works, why DE is the code, and how to check the exit before a job.
Guides407 Proxy Authentication Required: causes and client fixes
A 407 means the proxy, not the site, rejected or never got your login. Causes in the order to check, and the fix for curl, Python, Node, browsers and apt.
GuidesUK residential proxies: regions, cities and sessions
UK residential proxies route through British home broadband. How UK targeting works, why GB is the country code, which session fits and how to check the exit.
GuidesUSA residential proxies: state, city and session guide
USA residential proxies route through US home connections. How state and city targeting works, which session type fits, and how to check the exit.
GuidesDo proxy providers keep logs? What they record and why
Do proxy providers keep logs? What a proxy gateway records, what it cannot see over HTTPS, why "no logs" claims failed in court and how to read a policy.
GuidesProxy format: IP, port, username and password, every form
Read and write proxy strings: host:port:user:pass, user:pass@host:port, http:// vs socks5h:// URLs, separate fields, password encoding and IPv6 brackets.
GuidesProxy provider security review: 6 checks before you buy
A proxy provider security review for privacy-first buyers: terms, abuse handling, credentials, measured traffic, logs, IP sourcing and what certificates prove.
GuidesPay as you go proxies: per-GB billing, no subscription
Pay as you go proxies bill per GB with no renewal. How to estimate GB, how per-GB rates scale, whether GB expire, and when a per-IP subscription fits better.
GuidesHow do websites detect proxies? Every layer, in order
Websites detect proxies by IP and ASN, TCP stack, TLS, headers, browser leaks and behaviour: what each layer sees, and a self-test you can run.
GuidesWhat is a proxy server? How it works and when to use one
What is a proxy server: how a request travels through one, forward vs reverse, what it hides and what it does not, proxy vs VPN, the risks and what it costs.
GuidesSwitching proxy providers without downtime: a checklist
Switching proxy providers without breaking jobs: what to inventory, how to map credentials and rotation, the parallel test to run, and when switching fails.
GuidesProxy acceptable use policy: what providers ban and why
What a proxy acceptable use policy bans, which targets get blocked, how KYC and enforcement work, what a breach costs, and what to read before you pay.
GuidesHow to use a proxy: system, browser, phone and code
How to use a proxy on Windows, macOS, iPhone, Android, Chrome, Firefox, curl and Python: what the details mean, where they go, and how to check it works.
GuidesWhat are mobile proxies? Carrier IPs, CGNAT and rotation
What are mobile proxies? Carrier IPs behind CGNAT, how rotation works, when they are worth it, when they are not, detection limits and per-GB billing.
GuidesWhat are ISP proxies? How they differ from residential
ISP proxies are ISP-registered IPs on servers, held for the term. How they differ from residential, pros and cons, billing, and a week-long test to verify one.
GuidesWhat are datacenter proxies? Uses, limits and pricing
Datacenter proxies use IPs owned by hosting companies. What they are used for, why strict sites block them, how to test a target, and IPv4 port pricing.
GuidesTypes of proxies: datacenter, residential, ISP and mobile compared
Types of proxies sorted by what the target sees: datacenter, residential, ISP and mobile, then by protocol, anonymity, rotation, access and billing.
GuidesBest proxies for web scraping: match the proxy to the job
The best proxies for web scraping depend on the target. Datacenter, residential, ISP and mobile compared by job, with billing models and a test to run first.
GuidesCGNAT explained for proxy buyers: why shared carrier IPs are the point
A CGNAT proxy exits from a carrier IPv4 shared by hundreds of subscribers. How the sharing works, how to check for it, and why it makes blocks costly.
GuidesWhat is a residential proxy? How it works and when you need one
A residential proxy sends traffic out through a home ISP connection. How it works, where the IPs come from, whether it is legal, and what it costs per GB.
Guides