Browz blogFingerprinting, AI agents, proxies, multi-account work and security, from the team that builds Browz.https://gobrowz.com/blog/2026-11-13T00:00:00Zhttps://gobrowz.com/assets/browz-mark.svgBrowser profiles for privacy: keep work, personal and research browsing aparthttps://gobrowz.com/blog/browser-profiles-for-privacy2026-11-13T00:00:00Z2026-11-13T00:00:00ZCharles LeeHow sites link your work, personal and research browsing, why private windows only go part way, and a step-by-step plan for one browser profile per role.Canvas fingerprinting explained: why random noise gives a browser awayhttps://gobrowz.com/blog/canvas-fingerprinting-explained2026-11-13T00:00:00Z2026-11-13T00:00:00ZCharles LeeHow a canvas fingerprint is made, why it differs between computers, why blocking or random noise stands out, and how to test your own browser in two minutes.Connect a cloud AI agent to a browser on your own computerhttps://gobrowz.com/blog/hosted-mcp-cloud-agent-local-browser2026-11-13T00:00:00Z2026-11-13T00:00:00ZThe Browz teamHow a remote MCP server lets a cloud AI agent, such as Claude.ai or an OpenAI agent, drive a browser profile on your own computer, and how to set it up.End-to-end encrypted profile sync: what the server can and cannot readhttps://gobrowz.com/blog/end-to-end-encrypted-profile-sync2026-11-13T00:00:00Z2026-11-13T00:00:00ZCharles LeeHow end-to-end encrypted browser profile sync works, what a sync server still needs to see, how keys and recovery work, and five questions to ask any provider.Fingerprint consistency: why mismatched values give a browser awayhttps://gobrowz.com/blog/fingerprint-consistency-checks2026-11-13T00:00:00Z2026-11-13T00:00:00ZCharles LeeWhy detection systems care more about contradictions than rare values, the eight mismatches they check most, and console snippets to check each one yourself.Five AI agent browser recipes you can run todayhttps://gobrowz.com/blog/ai-agent-browser-recipes2026-11-13T00:00:00Z2026-11-13T00:00:00ZCharles LeeFive complete AI agent browser automation examples: Claude Code over MCP, Playwright over CDP, a scheduled headless job, a human hand-off, and two accounts side by side.How to choose an anti-detect browser: 10 checks you can run yourselfhttps://gobrowz.com/blog/how-to-choose-an-anti-detect-browser2026-11-13T00:00:00Z2026-11-13T00:00:00ZCharles LeeTen practical checks for choosing an anti-detect browser, from engine-level fingerprints and headless parity to proxies, sync encryption, teams, agents and refunds.How to give an AI agent a browser safelyhttps://gobrowz.com/blog/give-an-ai-agent-a-browser-safely2026-11-13T00:00:00Z2026-11-13T00:00:00ZCharles LeeGive an AI agent its own browser profile, its own limited key, sign-ins it can use but never read, and a person for the login. Step by step with Claude Code.How to manage multiple accounts safely, within each site's ruleshttps://gobrowz.com/blog/manage-multiple-accounts-safely2026-11-13T00:00:00Z2026-11-13T00:00:00ZThe Browz teamRun several accounts you are allowed to hold without mixing sessions: check the terms, give each account its own profile and exit, and keep the setup tidy.How to test your browser fingerprint, and how to read the resultshttps://gobrowz.com/blog/how-to-test-your-browser-fingerprint2026-11-13T00:00:00Z2026-11-13T00:00:00ZCharles LeeA step-by-step guide to running a browser fingerprint test, reading every section and consistency check, and comparing two runs to test browser profiles.How we benchmark AI agents in a browser: 50 tasks, open harness, raw resultshttps://gobrowz.com/blog/how-we-benchmark-ai-agents-in-a-browser2026-11-13T00:00:00Z2026-11-13T00:00:00ZCharles LeeThe method behind our AI agent browser benchmark: 50 public web tasks, the same agent twice, scoring by program, the results, and how to rerun it yourself.How websites recognise automated and headless browsershttps://gobrowz.com/blog/how-websites-recognise-automated-browsers2026-11-13T00:00:00Z2026-11-13T00:00:00ZCharles LeeThe signals sites use to spot automated and headless browsers: automation flags, headless differences, fingerprint contradictions, TLS, behaviour and IP reputation.Human hand-off for AI agents: let a person finish logins, 2FA and CAPTCHAshttps://gobrowz.com/blog/human-hand-off-for-ai-agents2026-11-13T00:00:00Z2026-11-13T00:00:00ZThe Browz teamHuman in the loop for browser agents: the agent pauses, you finish the sign-in, 2FA code or CAPTCHA in the same window, and it carries on. How it works.Is an anti-detect browser legal? Privacy, site terms and acceptable usehttps://gobrowz.com/blog/is-an-anti-detect-browser-legal2026-11-13T00:00:00Z2026-11-13T00:00:00ZCharles LeeUsing an anti-detect browser is legal in most places; what decides it is your use. Privacy law, site terms, legitimate uses and how to check a use before you start.Managing client accounts as an agency: one browser profile per clienthttps://gobrowz.com/blog/agency-client-accounts-browser-profiles2026-11-13T00:00:00Z2026-11-13T00:00:00ZCharles LeeA practical setup for agencies running clients' ad, social and marketplace accounts: a profile per account, a folder per client, no shared passwords, clean offboarding.Match a profile's timezone, language and location to its proxyhttps://gobrowz.com/blog/match-timezone-and-location-to-proxy2026-11-13T00:00:00Z2026-11-13T00:00:00ZThe Browz teamWhy a timezone or language that disagrees with the proxy's location stands out, how to check all five values in a minute, and how to stay matched when the exit moves.Playwright in a real browser profile: attach over CDP, not a fresh browserhttps://gobrowz.com/blog/playwright-real-browser-profile-cdp2026-11-13T00:00:00Z2026-11-13T00:00:00ZThe Browz teamRun Playwright scripts inside a saved browser profile with its own cookies, fingerprint and proxy: start the profile, then connectOverCDP. Node and Python examples.Prompt injection and browser agents: limit what a hijacked agent can reachhttps://gobrowz.com/blog/prompt-injection-browser-agents2026-11-13T00:00:00Z2026-11-13T00:00:00ZCharles LeePrompt injection hides instructions in web pages for an AI agent to follow. Why browser agents raise the stakes, and the controls that cap what a misled agent can do.QA testing with browser profiles: see your site as each user and region doeshttps://gobrowz.com/blog/qa-testing-with-browser-profiles2026-11-13T00:00:00Z2026-11-13T00:00:00ZThe Browz teamTest a website as different users, roles and countries with one saved browser profile per test persona, each with its own exit, timezone and languages.Residential, datacenter, ISP or mobile proxies: which one a profile needshttps://gobrowz.com/blog/residential-vs-datacenter-vs-mobile-proxies2026-11-13T00:00:00Z2026-11-13T00:00:00ZThe Browz teamDatacenter, residential, ISP and mobile proxies compared: how websites see each, sticky or rotating sessions, and which one suits a long-lived browser profile.Running several online storefronts where the platform allows ithttps://gobrowz.com/blog/run-several-storefronts-separately2026-11-13T00:00:00Z2026-11-13T00:00:00ZThe Browz teamHow sellers with more than one permitted storefront keep each store's sign-in, staff, market and records apart, with one browser profile and one checked exit per store.Share account access with a team without sharing passwordshttps://gobrowz.com/blog/share-account-access-with-a-team2026-11-13T00:00:00Z2026-11-13T00:00:00ZThe Browz teamGive colleagues access to the accounts they work on without handing out passwords: share signed-in profiles by role and level, one device at a time, with a log.TLS fingerprinting (JA3 and JA4) explained for browser usershttps://gobrowz.com/blog/tls-fingerprinting-ja3-ja42026-11-13T00:00:00Z2026-11-13T00:00:00ZCharles LeeHow sites fingerprint the TLS handshake and HTTP/2 settings before any page loads, what JA3 and JA4 measure, what changes them, and how to check your own browser.Use your own SSH server as a browser profile's proxyhttps://gobrowz.com/blog/ssh-server-as-browser-proxy2026-11-13T00:00:00Z2026-11-13T00:00:00ZCharles LeeTurn a server you control into an encrypted exit for a browser profile: how SSH tunnelling works, preparing the server, key sign-in, host-key pinning and checks.User agent and client hints: keeping JavaScript and headers in agreementhttps://gobrowz.com/blog/user-agent-and-client-hints2026-11-13T00:00:00Z2026-11-13T00:00:00ZCharles LeeHow the user agent string, Sec-CH-UA headers and getHighEntropyValues fit together, why changing only one of them gives a browser away, and how to check yours.WebGL and WebGPU fingerprinting: what your graphics card gives awayhttps://gobrowz.com/blog/webgl-webgpu-fingerprinting2026-11-13T00:00:00Z2026-11-13T00:00:00ZCharles LeeWhat WebGL and WebGPU reveal about your graphics card (names, limits, extensions, rendered images), why a fake renderer contradicts real hardware, and how to check.WebRTC leaks: how a page can find your real IP, and how to check a profilehttps://gobrowz.com/blog/webrtc-leak-explained2026-11-13T00:00:00Z2026-11-13T00:00:00ZThe Browz teamHow WebRTC can reveal the address behind a proxy, how to test a browser profile for a WebRTC or DNS leak in two minutes, and the settings that close both.What is an anti-detect browser? How it works and who it is forhttps://gobrowz.com/blog/what-is-an-anti-detect-browser2026-11-13T00:00:00Z2026-11-13T00:00:00ZThe Browz teamAn anti-detect browser runs separate profiles, each with its own consistent fingerprint, proxy, cookies and storage. How it works, who uses it and what to check.What is an MCP browser? Giving Claude, Cursor and other agents a real browserhttps://gobrowz.com/blog/what-is-an-mcp-browser2026-11-13T00:00:00Z2026-11-13T00:00:00ZCharles LeeAn MCP browser is a browser an AI agent drives through the Model Context Protocol. What it exposes, local vs remote, and how to set one up in Claude and Cursor.What is browser fingerprinting? How websites recognise your browserhttps://gobrowz.com/blog/what-is-browser-fingerprinting2026-11-13T00:00:00Z2026-11-13T00:00:00ZCharles LeeBrowser fingerprinting identifies a browser from the details it reveals, without cookies. What goes into a fingerprint, why consistency matters and how to test yours.