Click Captcha Stop the form spammers Click Captcha is a randomly generated gif file that is dynamically displayed in a random area below form with 9 random color combinations and the click number is randomly displayed to the right or left making 18 different images with random numbers from 11 to 99 the generated gif file is less than 0.42 KB.-　Click Captcha Stop the form spammers Click Captcha is a randomly generated gif file that is dynamically displayed in a random area below form with 9 random color combinations and the click number is randomly displayed to the right or left making 18 different images with random numbers from 11 to 99 the generated gif file is less than 0.42 KB.