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How do websites detect robots?

With the continuous development of robot technology, website owners have implemented advanced anti robot measures on their websites, from simple daily verification codes to complex measures. It brings additional challenges to web capture tools that collect public data and are blocked, such as market research and advertising verification. This article will introduce how the website detects robots.

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1. Suspicious IP or activity from an unusual geographic location.


2. Many requests from a single IP


3. Placing a verification code on the registration or download form of the website helps to prevent spam robots.


4. Add a robots.txt file in the root directory of the website server as the entry rule for which pages the robot can crawl and the crawl frequency.


5. Checking the browser fingerprint allows you to indicate the presence of properties added by headless browsers.


6. Set the detection tool as an alert to notify the robot to enter the website.


7. Checking for inconsistent behavior, such as repetitive patterns, nonlinear mouse movements, or fast clicks, may also be signs of similar robot behavior.