ISP proxies

Guides

502 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
Guides

ISP 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
Guides

Logging in to business accounts from abroad without lockouts

Log in to business accounts from abroad without lockouts: what login checks read, the platform route first, when a static ISP IP helps and what it cannot fix.11 min read
Guides

IP 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
Guides

Browser 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
Guides

How 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 Practices

Cheap 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
Best Practices

Mobile 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
Comparisons

Proxy 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
Guides

Selenium proxy setup: auth, SOCKS5, Firefox and rotation

Set a Selenium proxy in Chrome and Firefox, add username and password auth tested on Selenium 4.50 and Chrome 154, fix SOCKS5 errors and rotate per driver.12 min read
Best Practices

ASN 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
Guides

Multiple 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.14 min read
Guides

Multiple 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.11 min read
Guides

Proxies 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.10 min read
Guides

TikTok 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.10 min read
Comparisons

ISP vs datacenter proxies: which job each one fits

ISP vs datacenter proxies: both run on servers and hold one IP for the term. Which job each one fits, how speed compares, and how each is billed.10 min read
Comparisons

Mobile vs ISP proxies: moving mobile IPs or one fixed address

Mobile vs ISP proxies compared: shared moving IPs vs one fixed IP, detection, speed, and how each billing model fits one managed account.10 min read
Guides

Instagram 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.12 min read
Guides

407 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
Comparisons

Static 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
Comparisons

SOCKS5 vs HTTP proxy: DNS, speed, security, which to use

SOCKS5 vs HTTP proxy compared: what each carries, where DNS resolves (socks5 vs socks5h), speed, auth, client support, and which one your job needs.11 min read
Comparisons

Rotating 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
Comparisons

Dedicated vs shared proxies: who else uses your IP

Dedicated vs shared proxies compared: who else sends traffic from your IP, how each is billed, which tiers can be dedicated and when a pool wins.10 min read
Guides

Proxy 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
Guides

Pay 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
Guides

Switching 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
Guides

How 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
Guides

What 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
Guides

Types 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
Guides

Best 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
Comparisons

ISP 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