Quick Answers

Can Websites Detect Proxies?

Often, yes. Sites check the IP's network owner, reputation and location, plus headers, browser fingerprints and behaviour. Residential and mobile IPs are hardest to spot.

By Team of Monkeys Editorial Updated 1 min read Affiliate disclosure

This guide contains affiliate links to Geonode, Webshare and Rayobyte. If you buy through them we may earn a commission, at no extra cost to you.

Can Websites Detect Proxies illustration: often, yes 3jdej38j4

The short answer

Often, yes. Websites combine several signals:

  • IP ownership (ASN): is it a hosting company or a home ISP?
  • IP reputation: has this address been seen on blocklists or abusing other sites?
  • Headers: Via or X-Forwarded-For headers give a proxy away.
  • Mismatches: an IP in Germany with a browser set to US English and US time zone.
  • Fingerprints and behaviour: headless browsers, identical TLS fingerprints, robotic click patterns.

What helps

Residential and mobile IPs, browser settings that match the IP's location, realistic pacing, and respecting rate limits.

Incognito mode is not a proxy, sadly (animated GIF) 3jdej38j4
Incognito mode is not a proxy, sadly. GIF via Tenor

Also known as

Proxy detection, VPN and proxy blocking, anti-proxy checks.

Learn more

Affiliate disclosure: Team of Monkeys is an affiliate of Geonode, Webshare and Rayobyte. Links and banners marked as sponsored, and links to Geonode, Webshare and Rayobyte in the text, use our referral links, and we may earn a commission if you buy through them, at no extra cost to you. Our explanations and comparisons are written to be useful whichever provider you choose.

Editorial note: Proxy providers change their pools, features and prices often, so treat any figures here as typical ranges at the time of writing and confirm current terms with the provider before you buy.
Keep reading

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