--- title: Usage position: 2 seo_title: Guidelines for Using the Captcha Component seo_description: Get the knack of the Telerik and Kendo UI Captcha and learn how to use the sizing options of the component by following the instructions and recommendations in the usage guidelines created by our designers. --- ## Usage Guidelines The Telerik and Kendo UI Captcha requires you to follow some basic principles when using the component. ### Placeholder Text The importance of using clear and descriptive text in the Captcha input field cannot be overstated. By providing users with clear guidance and explanations, you help them interact with the component more smoothly and efficiently. This not only improves the user experience but also reduces the chance of errors or frustration that can arise from unclear instructions. ![А Telerik and Kendo UI Captcha with clear placeholder text](images/components-captcha-usage-placeholder-text-do.png "Add clear placeholder text when working with the Telerik and Kendo UI Captcha.") ![А Telerik and Kendo UI Captcha without placeholder text](images/components-captcha-usage-placeholder-text-dont.png "Don't use the Telerik and Kendo UI Captcha without a clear placeholder text.") ### Audio Alternative When using the Captcha component, it's important to implement an audio alternative aimed at users with visual impairments. In this way, you provide user-friendly and inclusive access to your content. With the audio alternative, you can ensure that all users, regardless of their abilities, can access and use your applications. ![A Telerik and Kendo UI Captcha component with an audio alternative](images/components-captcha-usage-audio-alternative-do.png "Add an audio alternative when working with the Telerik and Kendo UI Captcha component.") ![A Telerik and Kendo UI Captcha component without an audio alternative](images/components-captcha-usage-audio-alternative-dont.png "Don't omit to add an audio alternative when working with the Telerik and Kendo UI Captcha component.")