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Solving accessibility issues on 2Captcha

Captcha and accessibility

Google reCAPTCHA and other CAPTCHAs block automated bot traffic, but they can also pose challenges for accessibility and testing.

Services like 2Captcha solve accessibility challenges by enabling users to bypass captcha tests, which are often inaccessible to people with visual impairments or other disabilities. This is a vital step in promoting digital inclusivity and compliance with accessibility standards like WCAG.

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Challenges

Captchas designed to block bots and protect websites, often create significant barriers for users with disabilities

  • Visual Impairment
  • Poor Audio Quality
  • Cognitive Disabilities
  • Motor Disabilities
  • Slow Internet
  • Foreign Language
  • An abstract illustration showing a visually impaired individual struggling with a CAPTCHA test.

    Impact on Individuals with Visual Impairments

    For individuals with visual impairments, captchas relying on images or text can be indecipherable. These users are unable to interpret visual elements critical to passing such tests.

  • A representation of audio waves disrupted by static noise and unclear sounds.

    Limitations of Audio Captchas

    Audio captchas, intended as an alternative, are not always effective. Poor audio quality, background noise, or unclear pronunciation often make them just as inaccessible as visual captchas.

  • A symbolic image of a person struggling with a puzzle or distorted text CAPTCHA.

    Difficulties for People with Cognitive Disabilities

    Cognitive disabilities add further complexity. Tasks such as solving puzzles or deciphering distorted text can be overwhelming and challenging for individuals with these impairments, creating additional barriers to access.

  • An illustration of a user with motor disabilities attempting to interact with a timed CAPTCHA.

    Users with Motor Disabilities

    Individuals with motor disabilities face difficulty in quickly solving timed CAPTCHAs or interacting with challenges that require precise mouse movements or rapid input.

  • An image depicting a slow-loading CAPTCHA on a screen with a buffering icon.

    Low Bandwidth or Slow Internet

    CAPTCHAs that rely on heavy graphics or video-based challenges can cause significant delays in loading on low-bandwidth or slow internet connections, frustrating users and hindering access.

  • An illustration showing a user confused by CAPTCHA text in a foreign language.

    Non-Native Language Users

    Text or audio CAPTCHAs presented in unfamiliar languages or incorporating region-specific references pose a barrier for non-native speakers, making it difficult for them to complete these challenges effectively.

Improving Accessibility

The recognition service are essential in improving captcha accessibility by enabling users to bypass traditional challenges, ensuring inclusivity for individuals with disabilities.

Quick start

支持的验证码

我们使产品易于集成到您的系统中，提供多种编程语言支持和现成的代码示例，让您的网络项目快速启动。

«Normal CAPTCHA» 徽标

Normal Captcha的破解过程如下：我们从页面中获取验证码图片，将其发送至2Captcha网站，由员工输入指定文字破解后发回答案，我们再将文字输入到相应字段中破解。

API示例如何破解验证码
«reCAPTCHA V2» 徽标

reCAPTCHA V2的破解过程如下：我们以data-sitekey参数和页面URL的形式从页面中获取验证码参数，并将其转发至2Captcha网站，由员工破解后以令牌形式发回答案，我们再将令牌输入到相应字段中破解。

API示例如何破解验证码
«Arkose Labs captcha (FunCaptcha)» 徽标

Arkose Labs FunCAPTCHA的破解过程如下：我们从页面中获取一组必要参数，并将其转发至2Captcha网站，由员工破解后以其他参数形式发回答案，我们再将这些参数输入到相应字段中破解。

如何破解验证码
«GeeTest» 徽标

GeeTest CAPTCHA的破解过程如下：我们从页面中获取一组必要参数，并将其转发至2Captcha网站，由员工破解后以其他参数形式发回答案，我们再将这些参数输入到相应字段中破解。

API示例如何破解验证码
«Cloudflare Turnstile» 徽标

Cloudflare Turnstile的解决方法是以"data-sitekey"参数和页面URL的形式从页面中获取CAPTCHA参数，并将它们发送到2Captcha服务，由员工进行解答。然后解析以令牌的形式返回给我们，我们必须在相关字段中输入令牌以完成captcha。

API示例如何破解验证码
«Capy Puzzle CAPTCHA» 徽标

Capy Puzzle CAPTCHA的破解过程如下：我们从页面中获取一组必要参数，并将其转发至2Captcha网站，由员工破解后以其他参数形式发回答案，我们再将这些参数输入到相应字段中破解。

如何破解验证码
«KeyCAPTCHA» 徽标

KeyCaptcha的破解过程如下：我们从页面中获取一组必要参数，并将其转发至2Captcha网站，由员工破解后以其他参数形式发回答案，我们再将这些参数输入到相应字段中破解。

API示例如何破解验证码
«Lemin» 徽标

要解析Lemin CAPTCHA，请执行以下步骤：该服务从放置页面检索一组必需的参数，并将它们发送2Captcha 服务器供员工解答。然后，答案以一组附加参数的形式返回给我们，这些参数必须输入到正确的字段中才能完成。

API示例如何破解验证码
«Amazon CAPTCHA» 徽标

解析Amazon AWS CAPTCHA的过程如下：您需要从位置页面获取所需的参数集，并将其发送到服务，由员工解决任务。然后，答案以一组附加参数的形式返回给我们，这些参数必须输入到正确的字段中才能解答。

如何破解验证码
«Text CAPTCHA» 徽标

Text CAPTCHA的破解过程如下：我们从页面中获取文字问题，将其转发至2Captcha网站，由员工破解后发回答案，我们再将文字输入到相应字段中破解。

API示例如何破解验证码