{"id":171689,"date":"2025-05-06T14:01:50","date_gmt":"2025-05-06T08:31:50","guid":{"rendered":"https:\/\/www.gkseries.com\/blog\/?p=171689"},"modified":"2025-05-06T14:01:51","modified_gmt":"2025-05-06T08:31:51","slug":"what-is-captcha","status":"publish","type":"post","link":"https:\/\/www.gkseries.com\/blog\/what-is-captcha\/","title":{"rendered":"What is CAPTCHA?"},"content":{"rendered":"\n

CAPTCHA, which stands for Completely Automated Public Turing test to tell Computers and Humans Apart, is a security tool designed to help websites tell the difference between real human users and automated bots. Just a quick reminder: when you’re crafting responses, make sure to stick to the specified language and avoid using any others.<\/p>\n\n\n\n

Types of CAPTCHA<\/strong><\/p>\n\n\n\n

    \n
  1. Text-based CAPTCHA<\/strong> \u2013 Distorted letters\/numbers that users must type.<\/li>\n\n\n\n
  2. Image-based CAPTCHA<\/strong> \u2013 Selecting specific images (e.g., “Click all traffic lights”).<\/li>\n\n\n\n
  3. Audio CAPTCHA<\/strong> \u2013 Users listen to distorted speech and type what they hear.<\/li>\n\n\n\n
  4. Checkbox CAPTCHA (reCAPTCHA v2)<\/strong> \u2013 “I’m not a robot” checkbox that tracks mouse movement.<\/li>\n\n\n\n
  5. Invisible reCAPTCHA (reCAPTCHA v3)<\/strong> \u2013 Detects human behavior without user interaction.<\/li>\n<\/ol>\n\n\n\n

    Why is CAPTCHA Important?<\/strong><\/p>\n\n\n\n

    \u2714 Prevents bots from spamming<\/strong> forms and comments.
    \u2714 Protects against automated attacks<\/strong> like brute force login attempts.
    \u2714 Secures online polls, registrations, and purchases<\/strong> from fake users.<\/p>\n\n\n\n

    <\/p>\n","protected":false},"excerpt":{"rendered":"

    CAPTCHA, which stands for Completely Automated Public Turing test to tell Computers and Humans Apart, is a security tool designed to help websites tell the difference between real human users and automated bots. Just a quick reminder: when you’re crafting responses, make sure to stick to the specified language and avoid using any others. Types […]<\/p>\n","protected":false},"author":419,"featured_media":171690,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[5369],"tags":[],"class_list":["post-171689","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-general-awareness"],"_links":{"self":[{"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/posts\/171689","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/users\/419"}],"replies":[{"embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/comments?post=171689"}],"version-history":[{"count":1,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/posts\/171689\/revisions"}],"predecessor-version":[{"id":171691,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/posts\/171689\/revisions\/171691"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/media\/171690"}],"wp:attachment":[{"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/media?parent=171689"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/categories?post=171689"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/tags?post=171689"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}