The call to action is a key element that guides readers to take the intended action

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3. Call to Action (CTA) Design
To ensure its accessibility, the CTA button should be large enough to be easily clicked by users on various devices. The recommended button size is at least 44px * 44px to accommodate finger touch operations.
The text on the button should be concise and clear, directly conveying the purpose of the action, such as "Buy Now", "Learn More", "Free Registration", etc., and avoid using vague or overly complex expressions.

At the same time, the color of the CTA button should contrast sharply with the surrounding elements so that it stands out visually, but it should also follow the overall color matching principles to ensure consistency with the style of the email. In
addition, leave a certain amount of blank space around the button to philippines telegram number database prevent other elements from interfering with the user's recognition and operation of the button, so that readers can quickly and accurately find and click the call to action button, thereby improving the conversion rate of the email.

4. Image-Text Ratio
A reasonable image-text ratio can enhance the appeal of emails and the effectiveness of information transmission. However, while pursuing visual effects, it is necessary to ensure that the use of images does not hinder barrier-free reading.
For some important information, text should be used first, while images are used as auxiliary explanations or decorative elements.
Ensure that all images have clear alternative text (alt text) descriptions. When images cannot be displayed normally (such as due to network problems, screen reader settings, or users actively turn off image loading), alternative text can accurately convey the content and meaning of the image, allowing visually impaired users to understand the overall information of the email through screen readers.

Generally speaking, it is more appropriate to keep the image-text ratio between 60:40 and 70:30, which can ensure that there are enough visual elements to attract readers, but not too many images to cover up the importance of text information, so that the email can maintain good readability and information integrity in various situations.

Barrier-free email design is a comprehensive process that requires careful consideration of every detail from multiple angles to ensure that email marketing content can be easily read and understood by all potential customers.