Everything About Proxies & Anti-Detect
From proxy fundamentals to advanced techniques — your complete knowledge base for anonymous browsing, web scraping, multi-account management, and more.
What Is a Proxy Server?
A proxy server acts as an intermediary gateway between your device and the internet. When you use a proxy, your web requests are routed through the proxy server, which masks your real IP address and replaces it with the proxy's IP.
This enables you to browse anonymously, bypass geographic restrictions, scrape websites without getting blocked, and manage multiple online identities — all from a single device.
IP Masking
Hide your real identity
Geo-Unblocking
Access any region
Rate Limit Bypass
Avoid request throttling
Data Collection
Scrape at scale safely
Proxy Server
Swaps your IP → Proxy IP
How Proxies Work
A simple breakdown of the proxy routing process — from request to response.
You Send a Request
When you browse a website or make an API call, the request first goes to the proxy server instead of going directly to the target.
Proxy Routes the Traffic
The proxy server receives your request, replaces your real IP with its own IP address, and forwards the request to the target website.
Target Responds to Proxy
The website sees the proxy's IP address — not yours. It processes the request and sends the response back to the proxy server.
You Get the Response
The proxy server forwards the response back to you. The entire process takes milliseconds and the target never sees your real IP.
Types of Proxy Servers
Each type has unique strengths. Choose based on your speed, anonymity, and budget requirements.
Residential Proxies
Use real IP addresses assigned by ISPs to homeowners. These are the gold standard for tasks requiring high anonymity because they appear as legitimate residential users to target websites.
Pros
- Highest anonymity & trust scores
- Bypass most anti-bot systems
- Geo-targeting at city level
Cons
- Higher cost per GB
- Slower than datacenter
- Limited bandwidth plans
Datacenter Proxies
Hosted in data centers and not associated with any ISP. These proxies offer blazing-fast speeds and are ideal for high-volume tasks where speed matters more than stealth.
Pros
- Extremely fast speeds
- Most affordable option
- High availability & uptime
Cons
- Easier to detect & block
- Not linked to real ISPs
- Limited geo-diversity
Mobile Proxies
Route traffic through mobile carrier networks (3G/4G/5G). Because many real users share the same mobile IP, these proxies have extremely high trust scores and are almost impossible to block.
Pros
- Virtually undetectable
- Shared IP pools = high trust
- Real mobile carrier IPs
Cons
- Most expensive option
- Slower connection speeds
- Limited pool sizes
ISP Proxies
Combine the best of both worlds — datacenter speed with residential-level trust. These are static residential IPs hosted in data centers, giving you dedicated IPs with ISP-level legitimacy.
Pros
- Fast like datacenter
- Trusted like residential
- Static (non-rotating) IPs
Cons
- Moderate cost
- Smaller IP pools
- Limited provider options
Proxy Protocols Explained
Understand the differences between HTTP, HTTPS, SOCKS4, and SOCKS5 — and when to use each.
HTTP Proxies
Work at the application layer and handle HTTP traffic. They can read and modify requests, cache content, and filter traffic. Best for basic web browsing and non-sensitive scraping.
Security
Low
Speed
Fast
Best For
Basic browsing, caching
HTTPS/SSL Proxies
Create an encrypted tunnel between you and the proxy using TLS/SSL. The proxy cannot read the traffic content. Essential for any task involving sensitive data or login credentials.
Security
High
Speed
Fast
Best For
Secure browsing, logins
SOCKS4 Proxies
Operate at a lower network level than HTTP proxies. They route any TCP traffic without understanding the protocol, making them versatile for non-HTTP applications like FTP or email.
Security
Low
Speed
Very Fast
Best For
FTP, email, torrents
SOCKS5 Proxies
The most versatile protocol. Support both TCP and UDP traffic, authentication, IPv6, and DNS resolution through the proxy. The gold standard for privacy-conscious users.
Security
High
Speed
Fast
Best For
Streaming, gaming, P2P
What Can You Do with Proxies?
Real-world applications for proxies across industries — with recommended proxy types for each.
Web Scraping & Data Collection
Extract product data, pricing, reviews, and market intelligence from websites at scale. Rotating residential proxies prevent IP bans and CAPTCHAs.
Sneaker & Limited-Edition Copping
Bot multiple checkout sessions on Nike, Adidas, Footlocker. ISP proxies provide the speed of datacenter with the trust of residential for faster checkouts.
Social Media Management
Manage multiple Instagram, TikTok, Facebook, or Twitter accounts without triggering platform security. Each account gets a unique, sticky IP.
Ad Verification & Brand Protection
Verify your ads are displayed correctly across geographies. Check for ad fraud, competitor bidding, and unauthorized use of your brand.
Price Comparison & Monitoring
Track competitor pricing across regions and platforms in real-time. Datacenter proxies offer the speed needed for high-frequency price checks.
App Testing & QA
Test mobile and web applications from different locations, networks, and device profiles. Ensure your app works for users in every market.
Market Research & SEO
Analyze SERPs from different locations, monitor keyword rankings, audit local SEO, and research competitor strategies without being detected.
Automation & Botting
Run automated workflows, ticket bots, or account creation tasks. The right proxy type depends on the target site's anti-bot sophistication.
Proxy Authentication Methods
How you prove to the proxy server that you're authorized to use it.
Username & Password
The most common method. Your provider gives you credentials (user:pass) that you include in your proxy configuration. Supports multiple users and sub-accounts.
Pros
- Works from any IP
- Easy user management
- Supports sub-users
Cons
- Credentials can be leaked
- Slightly slower handshake
IP Whitelisting
Authorize specific IPs to use the proxy without credentials. Add your server or home IP to the whitelist and connect directly — no username or password needed.
Pros
- No credentials to manage
- Faster connections
- Simpler configuration
Cons
- Only works from whitelisted IPs
- Problematic with dynamic IPs
How to Choose a Proxy Provider
The 8 critical factors to evaluate before committing to any proxy service.
Use Case Fit
Start with your use case. Sneaker bots need ISP proxies, scraping needs rotating residential, and SEO research can use datacenter. Don't overpay for features you won't use.
Location Coverage
Check if the provider covers the countries and cities you need. Some providers excel in the US/EU but lack Asia or Africa coverage.
Pricing Model
Providers charge per GB, per IP, per port, or per request. Understand your traffic volume and calculate the true cost for your workload.
Speed & Uptime
Look for providers with >99% uptime SLAs and sub-second response times. Run trials before committing — real performance often differs from advertised specs.
Pool Size & Freshness
Larger IP pools reduce the chance of hitting a banned IP. Ask how often the pool rotates and whether IPs are shared or exclusive.
API & Integration
If you're automating, check for API access, browser extension support, and compatibility with your tools (Scrapy, Puppeteer, Selenium, etc.).
Reviews & Reputation
Read real user reviews on ProxyHorizon. Look for patterns in complaints (slow support, billing issues, IP quality) rather than just star ratings.
Trial & Refund Policy
Reputable providers offer free trials or money-back guarantees. Never commit to an annual plan without testing first.
The Perfect Proxy Companion
Proxies change your IP. Anti-detect browsers change everything else. Together, they're unstoppable.
What Are Anti-Detect Browsers?
Anti-detect browsers are specialized tools that create unique browser fingerprints for each profile. They modify dozens of browser parameters — canvas hash, WebGL, fonts, screen resolution, timezone, language, and more — to make each session appear as a completely different user on a completely different machine.
Why Use Them with Proxies?
Proxies alone change your IP, but websites track much more than that. Browser fingerprinting can identify you even with a new IP. Anti-detect browsers solve this by creating a unique, consistent fingerprint for each proxy session, making your multiple accounts truly indistinguishable from separate real users.
How They Work Together
The ideal setup pairs each anti-detect browser profile with a dedicated proxy IP. The anti-detect browser handles the fingerprint (canvas, WebGL, plugins, etc.) while the proxy provides a unique IP from the right geolocation. Together, they create a complete, convincing digital identity.
Popular Anti-Detect Browsers
Multilogin
Industry leader with Mimic (Chromium) and Stealthfox (Firefox) engines. Best for teams with advanced automation needs.
GoLogin
Affordable alternative with a cloud-based interface. Great for beginners and small teams running up to 100 profiles.
AdsPower
Feature-rich browser with built-in RPA automation. Popular for social media management and e-commerce.
Incogniton
Privacy-focused anti-detect browser with Selenium and Puppeteer integration. Good for developers.
Pro Tips for Proxy Users
Actionable advice to get the most out of your proxies — and avoid common pitfalls.
Match proxy type to your use case
Don't overspend on residential when datacenter will work. Don't underspend on datacenter when you need residential trust.
Avoid free proxies
Free proxies are almost always compromised, slow, or logging your traffic. The risk to your data and accounts isn't worth saving a few dollars.
Test before committing
Most reputable providers offer trial plans or money-back guarantees. Always test speed, uptime, and compatibility with your tools before buying.
Geo-target wisely
Choose proxy locations that match your target audience. A US proxy won't help if you're scraping a site that serves different content to EU users.
Use HTTPS proxies
Always prefer HTTPS (or SOCKS5) over HTTP proxies. HTTP proxies transmit your data in plain text, making it vulnerable to interception.
Rotate your IPs
For scraping or bot tasks, rotate proxies to avoid rate limits and bans. Most providers offer automated rotation with configurable intervals.
Monitor proxy health
Track response times, success rates, and error codes. A sudden spike in 403s or CAPTCHAs means your IPs are getting flagged — time to rotate or switch pools.
Use sticky sessions wisely
For tasks requiring login (social media, e-commerce), use sticky sessions that maintain the same IP for 10-30 minutes. For scraping, rotate on every request.
Implement retry logic
Proxies sometimes fail. Build retry logic with exponential backoff into your scripts. Switch to a backup proxy on 3+ consecutive failures.
Proxy Glossary
Key terms every proxy user should know — from beginner concepts to advanced terminology.
Rotating Proxy
A proxy that automatically assigns a new IP address from the pool with each request or at set intervals. Ideal for scraping.
Sticky Session
Keeps the same proxy IP for a defined duration (e.g., 10 min). Useful for tasks requiring a consistent identity like login sessions.
Backconnect Proxy
A single gateway endpoint that routes your traffic through different IPs in the pool automatically. You connect to one address, get many IPs.
Geo-Targeting
Selecting a proxy IP from a specific country, state, or city to appear as if you're browsing from that location.
IP Pool
The total number of unique IP addresses a provider has available. Larger pools mean less chance of hitting a previously banned IP.
Concurrent Sessions
The number of simultaneous connections you can maintain through the proxy. Important for high-volume scraping.
Bandwidth
The total amount of data you can transfer through the proxy. Measured in GB. Residential proxies are typically billed per GB.
Subnet
A range of IPs from the same network block. Websites can ban entire subnets, so diverse subnet coverage is important.
CAPTCHA
A challenge test (e.g., "select all traffic lights") that websites use to detect bots. Residential and mobile proxies trigger fewer CAPTCHAs.
Rate Limiting
When a website restricts the number of requests you can make in a time period. Proxy rotation helps bypass rate limits.
Browser Fingerprint
A unique identifier created from your browser settings (canvas, WebGL, fonts, plugins, timezone). Anti-detect browsers spoof this.
ASN (Autonomous System Number)
Identifies the network an IP belongs to. Websites check ASNs to distinguish residential IPs from datacenter IPs.
Ready to Find the Right Proxy?
Now that you know how proxies work, compare 150+ providers on ProxyHorizon and find the perfect match for your use case.