Captcha

/ˈkæp.tʃə/

noun

A captcha is a system designed to distinguish between human users and automated programs by requiring users to complete a task that would be hard for a computer to perform.

To log in, please complete the captcha to prove you are not a robot.

Visual representation of "captcha" - A captcha is a system designed to distinguish between human users and automated programs by requiring users to complete a task that would be hard for a computer to perform.

Usage tips

Technical

security measure,user verification,bot prevention

noun

A captcha is a system designed to distinguish between human users and automated programs by requiring users to complete a task that would be hard for a computer to perform.

To log in, please complete the captcha to prove you are not a robot.

Usage tips

Technical

security measure,user verification,bot prevention

Definition 1 of 1

Pro Tip 1/3

Context

Captchas are important for online security.

Many websites use them to protect against bots.

Pro Tip 2/3

Complexity

The difficulty of captchas can vary widely.

Some captchas require simple text input while others may involve selecting images.

Pro Tip 3/3

Variability

Different types of captchas are used across websites.

Some may ask users to solve a math problem while others might require pattern recognition.

Pro Tip 1/3

Context

Captchas are important for online security.

Many websites use them to protect against bots.

Pro Tip 2/3

Complexity

The difficulty of captchas can vary widely.

Some captchas require simple text input while others may involve selecting images.

Pro Tip 3/3

Variability

Different types of captchas are used across websites.

Some may ask users to solve a math problem while others might require pattern recognition.

Pro Tip 1/3

Context

Captchas are important for online security.

Many websites use them to protect against bots.

Pro Tip 2/3

Complexity

The difficulty of captchas can vary widely.

Some captchas require simple text input while others may involve selecting images.

Pro Tip 3/3

Variability

Different types of captchas are used across websites.

Some may ask users to solve a math problem while others might require pattern recognition.

Visual representation of the word "Captcha"

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