A glowing green stream of data particles flowing through a translucent glass pipe in darkness, one hairline crack leaking a thin spray of luminous dots upward, AI-generated illustration
Technical

Does Your Proxy Leak DNS? We Captured the Packets to Find Out

We ran tcpdump against four common proxy setups and captured which ones resolve DNS locally. One-letter flag difference, completely different leak behaviour.

27 October 2026 9 min read
Macro photograph of a fingerprint whorl rendered as glowing green circuit traces on a dark charcoal surface, AI-generated illustration
Technical

Real Phone TCP Stack, Not an Emulation: What Your Proxy's Packets Say About It

SYN packets give away TTL, MSS and TCP options. We fingerprinted our UK mobile exits live and ran the same checks on a purchased competitor pool.

21 October 2026 9 min read
Photograph of the M3 motorway at night, car light trails drawing continuous lines along the carriageways ("M3 at Night 1" by Simon Green, CC BY-SA 2.0)
Technical

Why AI Agents Break on Rotating IPs (and When to Pin Instead)

A field guide to rotation vs sticky IPs for AI agents, why sessions die mid-run, and a per-run identity pattern with real outputs from a UK 4G/5G pool.

17 October 2026 9 min read
Duotone photograph of a network switch with rows of Ethernet ports and cables, link lights glowing (adapted from "Switch!" by andrewfhart, CC BY-SA 2.0)
Tutorial

Sticky Sessions and Network Targeting: Pin One UK Mobile IP and One Network

A verified guide to pinning a UK mobile exit IP for minutes or hours and targeting EE, O2, Vodafone or Three, with real outputs from every test.

7 October 2026 9 min read
Overhead studio photo of a smartphone on a dark steel surface, amber light on one side and blue on the other, blurred server racks behind (AI-generated illustration)
Comparison

Mobile vs Datacenter Proxies: We Measured Success Rates on 10 Popular UK Sites

The same requests through UK mobile exits and a datacenter IP on 10 popular UK sites: measured success rates, block rates, and the speed you trade.

3 October 2026 9 min read
A glowing smartphone linked by a beam of light to a cell tower at night, with holographic data cards hovering above it (AI-generated illustration)
Data

What IP-Intelligence APIs Actually See: We Checked Our Own 4G/5G Exit IPs Live

Three IP-intelligence APIs checked against real UK 4G/5G proxy exits, every response pasted: mobile true, hosting false, carrier ASNs, rotation and sticky.

17 September 2026 8 min read
A person walks away from a dark data centre entrance after a scan beam rejected them, their outline dissolving into mismatched geometric signature shapes compared against a wall of green trusted profiles. AI-generated illustration
Tutorial

Why You Get 403s: How Websites Fingerprint Your Scraper and What Actually Fixes It

A 403 with valid credentials usually means your TLS or HTTP/2 fingerprint gave you away, not your IP. How the fingerprints work, with live tests, and what actually fixes them.

14 September 2026 10 min read
Phone and laptop traffic converging into one tunnel toward a 5G mast with a caption panel tracing the SOCKS5 flow to a UK exit. AI-generated illustration
Guide

How to Turn a Proxy into a Device-Wide VPN

Route every app on your phone or computer through one SOCKS5 proxy with SocksTun on Android or tun2socks on desktop: full walkthrough, DNS leak prevention, and the real encryption trade-offs.

10 September 2026 11 min read
Duotone code photo annotated with an AI agent routing through Simply Proxies to a UK 4G/5G exit
Guide

Using UK Mobile Proxies with AI Agents

How to route LLM agents, research pipelines, and monitoring bots through real UK mobile IPs: environment-variable setup, Python and Playwright examples, rotate-vs-sticky decisions, retries, and per-GB cost control.

6 September 2026 9 min read
Multiple social accounts each pinned to its own UK mobile IP via sticky sessions
Use Case

Managing Multiple Social Media Accounts with Mobile Proxies

Why datacentre IPs get social accounts banned, and how one-UK-mobile-IP-per-account with sticky sessions lets agencies manage many Instagram, TikTok, X and LinkedIn accounts safely.

31 July 2026 10 min read
VPN as a single encrypted tunnel vs a proxy routing separate apps to many IPs
Comparison

Proxy vs VPN: What’s the Difference and Which Do You Need?

A neutral, technical comparison — how proxies and VPNs differ at the network layer, where they overlap, and which one is right for privacy, scraping, multi-account management, and geo-verification.

31 July 2026 10 min read
Checklist for evaluating mobile proxy providers
Guide

How to Choose a Mobile Proxy Provider (2026 Buying Guide)

A vendor-neutral guide to evaluating mobile proxy providers — what to look for, red flags to avoid, and a reusable scorecard for comparing any two providers.

31 July 2026 11 min read
SOCKS5 vs HTTP proxy protocol comparison
Technical

SOCKS5 vs HTTP Proxy: Which Should You Use?

A practical comparison of SOCKS5 and HTTP proxy protocols — performance, compatibility, use cases, and which one to choose for your project.

3 June 2026 8 min read
Mobile ad verification with fraud detection
Use Case

Ad Verification on Mobile: Why Real 4G/5G IPs Matter

Why ad verification teams need real mobile IPs to detect ad fraud, verify placements, and see what UK mobile users actually see.

3 June 2026 5 min read
Google search results with mobile SERP rankings
Use Case

UK Mobile IP Addresses for SEO Monitoring

How SEO professionals use mobile proxies to check UK search engine results, monitor rankings, and verify mobile-first indexing.

3 June 2026 6 min read
Python web scraping code with proxy configuration
Tutorial

How to Use Mobile Proxies for Web Scraping (2026 Guide)

A step-by-step guide to using Simply Proxies with Python, Scrapy, Selenium, and other popular scraping tools. Includes code examples.

3 June 2026 10 min read
Mobile proxy vs residential proxy comparison
Comparison

UK Mobile Proxy vs Residential Proxy: Key Differences

Understand the technical and practical differences between mobile and residential proxies, and when each type is the right choice for your use case.

3 June 2026 8 min read
UK mobile network with phone and carrier nodes
Guide

What Are Mobile Proxies and Why You Need UK Ones

A comprehensive introduction to mobile proxies — what they are, how they differ from residential and datacentre proxies, and why UK mobile IPs are in high demand.

3 June 2026 9 min read

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