What real brands actually send, from our collected inbox data.
VerifiedBy Kam Low, Co-founder and CTO·Updated September 3, 2026
What single column emails are
A single-column email layout presents content in one vertical stack, optimising for readability across all devices. This structure ensures content reflows predictably on smaller screens, making it a universal choice for email design. It prioritises a linear reading experience, guiding the recipient through the message without complex visual distractions.
This page is one slice of the Nitrosend email library. It holds 8,259 real emails from 2,407 brands, all of them collected out of two ordinary inboxes. Nothing here is a mockup.
3median CTAs
27%exactly one CTA
37%use first name
Single column emails you can look at
Filter by industry, design style, layout or length. Open any one to read the subject line, what it is doing, and the prompt that rebuilds it.
What 8,259 of them actually do
Single-column layouts are the undisputed standard in email design. Every one of the 8259 emails in our collection uses this structure, underscoring its universal adoption for mobile compatibility and clear communication. Nearly half, 41% of these emails, are short, reinforcing a preference for concise, digestible content.
Brands often include multiple actions within these simple layouts. The median single-column email contains three calls to action, suggesting senders aim for several engagement points. Only 27% of emails limit themselves to a single call to action, indicating that multi-option engagement is a common practice.
Design choices lean heavily towards function over elaborate aesthetics. Utilitarian designs account for 39% of emails, with another 28% favouring a minimal style. This focus on simplicity might reflect the inherent challenges of the medium; Chong, on our engineering team, often points out that HTML emails are quite bad. Despite the opportunity, only 37% of these emails address the recipient by first name, indicating a missed chance for deeper connection.
This layout is fundamental across diverse industries and lifecycle stages. SaaS brands make up 18% of senders, with Ecommerce at 12%, both relying heavily on this simple structure. Retention emails account for 44% of these communications, showing the single column's enduring role in ongoing customer relationships rather than just initial acquisition.
None of this helps if the send never lands, which is a transactional email problem rather than a design one.
What to take from these
Prioritise a single-column layout for universal mobile compatibility, as 100% of the emails we collected do.Keep your content concise; 41% of observed emails are short, favouring quick reads.Include multiple clear calls to action. Our data shows the median single-column email has three.Embrace utilitarian or minimal design styles, which together make up 67% of the emails we analysed.Personalise the greeting using the recipient's first name. This is done in only 37% of emails, offering an easy way to stand out.Focus on retention-stage emails, which comprise 44% of single-column communications, for ongoing customer engagement.
A single column layout is nearly universal because it adapts seamlessly to any screen size, especially mobile devices. It ensures content stacks vertically and remains readable without horizontal scrolling, which is critical for a good user experience. This simplicity also makes emails easier to code and render consistently across various email clients.
Our data records what was sent, not performance metrics like open or click rates. However, the overwhelming prevalence of single-column layouts (100% in our dataset) suggests brands prioritise the layout's reliability and mobile-friendliness. This approach minimises rendering issues and offers a consistent experience, which are strong foundations for engagement.
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