An HTML email signature is a personalized block of information added to the end of an email message, built using HTML code to allow for rich formatting and design. It typically includes essential contact information such as the sender’s name, job title, company, phone number, email address, and website link. HTML signatures also support images, icons, and clickable links, allowing users to incorporate a company logo, social media icons, or promotional banners.

Features of a well-designed HTML email signature include:

• Responsive Design: Looks good on various devices, including mobile.
• Brand Consistency: Reflects company colors, fonts, and logo.
• Clickable Elements: Allows users to click directly on contact details, social media icons, or other links.
• Compact Layout: Keeps the signature clean and not overly long.

A good HTML signature adds a professional look to emails, enhances brand identity, and provides easy ways for contacts to connect across multiple platforms.