Why DataDome Blocks You — And What Actually Changes That
DataDome scores the whole request, not just the IP. Here is what it looks at, why rotating harder makes things worse, and what a legitimate setup gets right.
It is a score, not a rule
DataDome and similar systems build a confidence score from many weak signals: the network your IP belongs to, its recent history, TLS handshake details, header order, browser fingerprint, timing between actions and how the page's JavaScript behaves once it runs. No single signal blocks you. A pile of small inconsistencies does.
That is why "I changed my IP and I'm still blocked" is so common. The IP was one input. The rest of the request still says automation.
The signals people get wrong
Network type. A datacenter ASN making consumer-site requests is the loudest possible signal. Residential exits remove it.
Header order and TLS. Real Chrome sends headers in a specific order and negotiates TLS in a specific way. Many HTTP libraries do neither. A "Chrome" user agent with a Python handshake is an instant contradiction.
JavaScript execution. If the challenge script never runs, no score can be built, and no score means blocked. Anything protected this way needs a real browser engine.
Timing. Fifty requests a second from one household IP is not a household.
Locale mismatch. A German IP with an en-US browser, a UTC clock and no Accept-Language header is a combination no real visitor produces.
Why rotating faster backfires
Each new IP arrives with no history and immediately behaves strangely. You are not escaping the score — you are recreating the worst possible version of it over and over, and burning clean addresses while doing it. Slower, consistent sessions from good IPs beat aggressive rotation every time.
What a sane setup looks like
Residential IPs in the country you're targeting. Sticky sessions that live for the length of a task. A real browser engine with a coherent fingerprint — matching timezone, language, screen and platform. Human-scale pacing with randomised gaps. Public pages only, at a rate the site would not notice.
And when a site says no, take the answer. Respect robots.txt and terms of service; the technical ability to keep pushing is not permission to.
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