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Headers

Header

Simple top row with brand identity and a view-in-browser link for reliable email starts.

Source
header.mjml
Output
MJML and compiled HTML
QA
4 client notes
Modes
Snippet or standalone
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Header rendered email block preview

Use

How to use this block

Treat the component as one production section inside a larger message system. Keep the shared classes and wrapper rules intact, then adapt the copy, imagery, and links to the send.

Use this block when...

  • Use at the top of launch, lifecycle, and newsletter sends where sender recognition matters immediately.
  • Swap the placeholder logo asset and destination URL before compiling for production.
  • Keep the row shallow so mobile clients do not crowd the first content block.

Keep in mind

  • Ensure the logo image has meaningful alt text that matches the sender brand.
  • Keep the browser-view link text descriptive so screen-reader users understand the action.

Source and output

Copy the format that fits the job

Copy the MJML snippet into the same body as your other blocks. Use standalone mode when testing this block on its own or exporting a full file for QA.

MJML snippet

Best for assembling a full email from reusable sections.

Standalone MJML

Best for local testing or isolated compilation.

Compiled HTML

Best for ESP handoff, QA review, or HTML-only integrations.

QA

Compatibility and rendering notes

Use these notes before moving the block into a campaign, layout system, or client handoff.

Client-specific notes

  • Gmail (Web + Mobile): Two-column alignment and browser link remain stable.
  • Outlook Desktop (Windows): Link alignment can shift by a few pixels in narrow desktop panes.
Header compatibility matrix
ClientStatusNotes
Gmail (Web + Mobile)TestedTwo-column alignment and browser link remain stable.
Outlook Desktop (Windows)PartialLink alignment can shift by a few pixels in narrow desktop panes.
Apple Mail (macOS + iOS)TestedNo additional notes.
Yahoo MailTestedNo additional notes.

Code

Source panels

The panels below preserve the copy behaviour for MJML and compiled HTML. Template Hedgehog Pro includes the full offline archive for teams that need the complete system locally.

Snippet assembly: place this block inside the same <mj-body> as your other snippets, then stack sections in send order.

Editable source

MJML snippet

Component block only. Use this when assembling an email from multiple reusable sections inside a project that already includes the shared MJML classes.

Formatting code preview...

Compiled output

Compiled HTML snippet

Component-only compiled markup for block-level inspection and HTML assembly workflows.

Formatting code preview...

Context

Related production context

Use these references to see how the block fits into larger message systems.

Used in layouts

Pairs well with