Strategies Behind CAPTCHAs: What Do CAPTCHAs Do When You Click The Button? Therefore, it raises concern for websites, apps and individual users that the increasing CAPTCHA types are for the sake of security or just marketing hype.Ģ. Some of the newer types of CAPTCHAs include a dynamic image that contains various elements and requires users to arrange them in a specific way, while others ask users to identify specific objects within an array of images or listen to an audio clip and transcribe what they hear.ĭespite the growing variety of CAPTCHAs, it is their security that is constantly being tested and challenged by increasingly sophisticated bots. Over recent years, there has been an explosion in the number of CAPTCHA types available, each with its own unique UI to cater for the changing market demand. The Growing Variety of CAPTCHA Types: What’s it for?ĬAPTCHA is an essential tool in preventing automated bots from accessing websites and apps, but it can also be frustrating for users.
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