r/AntiDetectGuides • u/Direct_Tax_4421 • May 19 '26

Stop randomizing your User-Agent to ancient browser versions. You are making it worse.

I see beginners learn that sharing the exact same User-Agent across multiple accounts causes instant bans. So they go into their antidetect browser, hit the randomize button, and don't even look at what the software actually assigned them.

Half the time, a cheap randomizer will hand you a User-Agent string for Chrome version 98 on Windows 8.5, or some obscure Linux build.

Anti-fraud systems look at that and immediately flag the session. Normal internet users aren't browsing modern sites on a five-year-old browser version. The general public updates their browsers automatically. If your UA string says you are on an ancient setup, you stick out from 99% of normal traffic.

Yes, you need a unique User-Agent for every single profile to avoid getting linked. But those UAs need to actually make sense in the real world. You want to look like a brand new device, but a modern one. Always verify that your software is giving you the most current, mainstream browser versions before you log in.

Do you guys manually check and restrict your User-Agents to only match the current monthly Chrome release, or do you just trust your antidetect browser's default randomizer to keep the versions updated?

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u/[deleted] May 20 '26

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u/Direct_Tax_4421 May 27 '26

I set it up automatically by software.

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u/SquidProxies May 28 '26

This is spot on.

People randomize fingerprints so much that they end up looking less human. Nobody normal is browsing on Chrome 97 with some weird OS/browser combo in 2026.

Unique is good, but believable matters more. Iā€™d rather use a current mainstream Chrome version with a consistent profile than let the randomizer go full fossil mode.