GuidesCrawlee proxy setup: rotation, sessions, tiers and SOCKS5
Crawlee proxy setup for Node and Python: ProxyConfiguration, how sessions pin proxies, the browser trap where proxyInfo lies, tiers, SOCKS5 and 407 loops.13 min read→GuidesMCP proxy server: bridges, gateways and web egress
What an MCP proxy server does: stdio to HTTP bridges, aggregators and gateways, what the 2026-07-28 spec changed for them, security risks and web egress.12 min read→Guides502 Bad Gateway proxy error: find who sent it, then fix it
A 502 through a proxy comes from the proxy or from the target's own gateway. How to tell them apart in one command, what causes each, and when to retry.11 min read→GuidesProxy timeout: connect, read or 504, and which side to fix
A proxy timeout names the phase that stalled: connect, the CONNECT tunnel, TLS or first byte. Read the error, time each phase with curl, fix the right side.15 min read→GuidesProxy rotation strategy: sessions, pace and retries
A proxy rotation strategy decides when a job changes exit IP, how fast it hits each target and which failures it retries, with a failure table and Python code.10 min read→GuidesERR_TUNNEL_CONNECTION_FAILED: what it means, how to fix it
ERR_TUNNEL_CONNECTION_FAILED means a proxy would not open the HTTPS tunnel. How to see the status Chrome hides, and the fix for each one, in Chrome and code.10 min read→GuidesProxies for market research: seeing each market as locals do
Which market research jobs need residential exits, where datacenter is enough, how to design a multi-market collection, and a sized 5-country weekly run.11 min read→GuidesWeb scraping architecture: components, patterns and proxies
Web scraping architecture splits a scraper into scheduler, fetcher, parser, storage and monitoring layers. How it changes with scale, and where proxies belong.12 min read→GuidesBackconnect proxy: one gateway, many exit IPs, how to test
A backconnect proxy is one gateway address that routes your traffic to exit IPs from a pool. Gateway vs exit, rotation, proxy lists, and how to test one.11 min read→GuidesHow many proxies do I need? A sizing formula by job
How many proxies you need depends on the job: requests per hour, concurrent sessions, accounts or GB. Formulas, a pilot test and a worked example for each job.10 min read→GuidesProxy error codes: which hop sent it and how to fix it
Proxy error codes decoded by hop: which ones the proxy sends, which come from the target, how to read them with curl -v, and which ones are safe to retry.14 min read→GuidesHow to choose a residential proxy provider: a buyer's checklist
How to choose a residential proxy provider: sourcing and consent, pool depth where you need it, sessions, geo accuracy, real cost per GB and a test plan.9 min read→Best PracticesResidential proxy pricing: what a GB buys for your job
Residential proxy pricing per GB explained: what a GB buys in pages, traffic per 1,000 pages, expiry and run-outs, and when another tier fits the job better.10 min read→ComparisonsProxy pricing: per GB, per IP or per port for your job
Proxy pricing per GB, per IP and per port only compares once the job is fixed. How to size a job in GB, which unit fits it, and what else moves a bill.10 min read→GuidesTest a Shopify store from another country, step by step
Test a Shopify store from another country: Preview covers prices and currency; redirects, geo apps and cookie banners need a local IP. Per-market checklist.11 min read→GuidesProxies for SERP tracking: location, device and pacing
Why rank data drifts when the location parameter and exit IP disagree, how to set city-level exits, which proxy type fits, and what Google's rules say.10 min read→Guidescurl proxy: -x, auth, SOCKS5, timing and exit codes
Run curl through a proxy with -x: credentials and encoding, socks5 vs socks5h, env vars, --noproxy, timing with -w, and what exit codes 5, 7 and 97 mean.12 min read→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.14 min read→Best PracticesProxy performance tuning: concurrency, reuse and timeouts
Proxy performance is mostly decided on the client. Tune connection reuse, concurrency and timeouts in order, then measure each phase with curl.12 min read→ComparisonsProxy vs VPN: the difference, and which job needs which
Proxy vs VPN compared on scope, encryption, speed and detection: which jobs need a VPN, which need a proxy, and when to run both together.11 min read→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.14 min read→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.15 min read→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.9 min read→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.14 min read→Best PracticesGeo targeted proxies: country, region or city level
Geo targeted proxies filter exits by country, region or city. How accurate each level is, why city pools run thin, and when country targeting is enough.11 min read→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.13 min read→Best PracticesProxy DNS leak test: check and fix it in your own client
A proxy DNS leak test you run through your own client: where curl, requests, httpx, Playwright and Node resolve names, what a leak exposes, and each fix.12 min read→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.14 min read→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.16 min read→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.12 min read→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.10 min read→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.9 min read→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.9 min read→ComparisonsStatic vs dynamic IP: the difference and when you need one
Static vs dynamic IP explained: how DHCP leases and ISP renumbering change an address, how to check which you have, and when a fixed IP is worth it.9 min read→ComparisonsRotating vs sticky proxies: what breaks under each mode
Rotating vs sticky proxies by job: per-request IPs, 5-60 minute timers or sticky while online, what breaks under the wrong mode, and a test to run.10 min read→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.11 min read→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.7 min read→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.11 min read→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.12 min read→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.10 min read→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.10 min read→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.11 min read→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.13 min read→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.11 min read→ComparisonsISP proxies vs rotating residential: which one the job actually needs
ISP vs residential proxies: one holds a static identity, the other spreads across a pool. Speed, location, detection and per-IP vs per-GB cost compared.9 min read→