Email rendering describes how inboxes display HTML, images, and layout. Learn the common pitfalls and testing best practices.
Email rendering is how an email client displays your message, including layout, fonts, images, and spacing. Different clients support different HTML and CSS features, which is why the same email can look perfect in Gmail and broken in Outlook.
Reliable rendering comes from conservative HTML, inline CSS, and testing. Keeping layouts simple and including a good plain-text fallback improves accessibility and reduces display surprises.