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→GuidesPrivacy Pass tokens explained: roles, flow and proxies
Privacy Pass tokens let a client prove it passed a check without saying who it is. How issuance and redemption work, where tokens run, what proxies change.11 min read→GuidesDetect AI browser agents: signals, signatures and tests
How to detect AI browser agents: declared identity, Web Bot Auth signatures, browser and behaviour signals, why IP checks fail, and a test you can run.13 min read→NewsChrome IP Protection: how it worked and where it stands
Chrome IP Protection routed Incognito third-party traffic through two proxies. How it worked, the Masked Domain List, coarse geo, and its retirement status.5 min read→NewsApache HTTP/2 RCE CVE-2026-119618: check your server
Apache HTTP/2 vulnerability CVE-2026-119618 is a critical RCE in mod_http2, fixed in 2.4.71. A one-minute check for version, module and h2/h2c.6 min read→GuidesMASQUE proxy: how HTTP/3 tunnels UDP and IP traffic
A MASQUE proxy tunnels UDP and IP traffic over HTTP/3 with CONNECT-UDP and CONNECT-IP. How it works, who runs it today, and what it means for proxy users.11 min read→GuidesEncrypted Client Hello: what ECH hides and what proxies see
Encrypted Client Hello (ECH) hides the hostname in the TLS handshake. How it works, what stays visible, 2026 support, and why it often stops behind a proxy.10 min read→GuidesResidential proxy botnets: how they work and how to spot one
A residential proxy botnet rents out hijacked routers, TV boxes and phones as proxy exits. How devices get enrolled, the 2024-2026 cases, and how to check.10 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→NewsChrome XML zero-day CVE-2026-125350: patch headless too
Chrome XML zero-day CVE-2026-125350 is fixed in 157.0.8103.50. Auto-update skips headless Chrome in Playwright, Puppeteer and Docker. How to check yours.5 min read→GuidesAnubis proof of work: how the AI scraper challenge works
How Anubis proof of work runs: the SHA-256 puzzle, the week-long cookie bound to your IP, weights by country and ASN, its limits, and where proxies fit.11 min read→GuidesHTTP/2 fingerprinting: the frames and what a proxy changes
HTTP2 fingerprinting reads the SETTINGS, WINDOW_UPDATE, PRIORITY and pseudo-header order a client sends first. Real values from Chrome, Firefox and Go.8 min read→GuidesHTTP CONNECT method: how HTTPS gets through a proxy
The HTTP CONNECT method turns a proxy into a blind tunnel. The request, the 200 reply, what the proxy can and cannot see, why tunnels fail, and HTTP/3.13 min read→GuidesCDP detection: how sites spot Chrome DevTools automation
How CDP detection spots Puppeteer, Playwright and Selenium through the Chrome DevTools Protocol, what the 2025 V8 change broke, and what a proxy changes.9 min read→GuidesBlock AI crawlers: robots.txt, server rules and verification
How to block AI crawlers: which bots train and which cite you, copy-paste robots.txt and server rules, bot verification, and what to do about bots that lie.13 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→GuidesISP proxy pricing: the per-IP unit and how to size it
ISP proxy pricing explained: why static ISP IPs bill per IP per month, what moves the bill, terms and refunds, a sizing method, and the jobs ISP fits best.9 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→GuidesIP reputation score: what it measures and how to read it
An IP reputation score rates how risky an address looks from blocklists, abuse reports and network type. How each scale works and how proxy IPs score.11 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→GuidesPuppeteer proxy setup: launch flag, auth, contexts, SOCKS5 and rotation
Set a Puppeteer proxy with --proxy-server or per browser context, authenticate with page.authenticate, fix 407 and SOCKS5 errors, and rotate by context.10 min read→GuidesBrowser profile proxy setup: one proxy, WebRTC and DNS
Set up one proxy per browser profile: own credentials per profile, the proxy type for each job, and how to check WebRTC, DNS and language before login.15 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→Best PracticesCheap datacenter proxies: billing, sizing and where they fit
Cheap datacenter proxies are billed per IP or per GB, but value is set by how many requests return data. How to measure it, size an order and pick the tier.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→Best PracticesMobile proxy pricing: what one carrier GB buys
Mobile proxy pricing explained: what a carrier GB buys, how to size a job before you pay, cost per successful request, and which jobs call for mobile IPs.7 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→GuidesIPv6 proxies: when they work and where they fail
IPv6 proxies reach only targets that serve IPv6, and many rate limiters count a whole /64 as one client. How to check both, and when IPv4 or residential fits.9 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→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→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.13 min read→Best PracticesASN targeting vs geo targeting: what each one selects
ASN targeting vs geo targeting: one picks the network behind an IP, the other its place. When each matters, and how to verify an exit's ASN and location.9 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→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.13 min read→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.12 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→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.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→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.15 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→Best PracticesWhy proxies trigger captchas, and what reduces them
Why proxies trigger captchas: the risk score behind each challenge, the inputs your proxy tier changes, and what a legitimate client can fix first.12 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→ComparisonsDatacenter vs residential proxies: which fits the target
Datacenter vs residential proxies compared on ASN, speed, location and billing model, with a 100,000-request job sized in GB and a test to pick per target.11 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→ComparisonsMobile vs residential proxies: how carrier IPs differ
Mobile vs residential proxies compared: CGNAT and block risk, detection, speed, sessions, what drives traffic, and which workloads fit each type best.10 min read→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.12 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→Best PracticesProxy detected error: what it means and how to fix it
Proxy detected means a site flagged your IP or your client. What each message means, an eight-check triage, and which causes a new proxy tier actually fixes.13 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→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.13 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→Case Studiesproxymint Lab #1: DNS, headers and redirects on our gateway
Proxy leak test results from our residential and mobile gateway: where DNS resolves per scheme, which forwarding headers arrive, and what plain HTTP gets.5 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→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.12 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→