Previews

View full-size email client renders side by side to make sure your email looks great.

Desktop clients

Apple Mail 10

macOS 10.12

Apple Mail 11

macOS 10.13

Apple Mail 9

OS X 10.11

IBM Notes 9

Win 7

Lotus Notes 8.5

Win 7

Outlook 2000

Win 7

Outlook 2002

Win 7

Outlook 2003

Win 7

Outlook 2007

Win 7

Outlook 2010

Win 7

Outlook 2011

OS X 10.11.6

Outlook 2013

Win 7

Outlook 2016

macOS 10.12.6

Outlook 2016

Win 7

Thunderbird 60

Win 7

Windows 10 Mail

Win 10

Mobile clients

Android 4.4

Android 4.4

Gmail App

Android 6.0

Gmail App

iOS 10.3.2

Gmail App IMAP

Android 4.4

Google Inbox

Android 6.0

Inbox by Gmail

iOS 10.3.2

Outlook

Android 6.0

Samsung Mail

Android 6.0

iPad (Retina)

iOS 11.0

iPad Mini

iOS 11.0

iPad Pro (12.9 inch)

iOS 11.3.1

iPhone 6

iOS 9.3

iPhone 6 Plus

iOS 9.3

iPhone 6s Plus

iOS 10.3

iPhone 7

iOS 11.3.1

iPhone 7 Plus

iOS 11.3.1

iPhone 8

iOS 11.3.1

iPhone 8 Plus

iOS 11.3.1

iPhone SE

iOS 11.3.1

iPhone X

iOS 11.3.1

Web-based clients

AOL Mail

Explorer

AOL Mail

Firefox

AOL Mail

Chrome

G Suite

Explorer

G Suite

Chrome

G Suite

Firefox

Inbox by Gmail

Chrome

Inbox by Gmail

Firefox

Office 365

Explorer

Office 365

Firefox

Office 365

Chrome

Outlook.com

Explorer

Outlook.com

Chrome

Yahoo! Mail

Explorer

Yahoo! Mail

Firefox

Yahoo! Mail

Chrome

First Impressions

Get your subscribers to open your email — ensure you're making a good first impression in the inbox.

Subject Line

Status
Explanation
Your subject line is clear, concise, and of a sensible length.

From Name

Status
Explanation
Your from name looks great!

Reply-to

Status
Explanation
Your reply-to looks great!
Status
Explanation
Your preview text is composed of multiple different sources. This can happen because of image alt text attributes, or using text earlier in the HTML body. Make sure you place hidden preview text as the first element in the body, and that it's at least 90 characters long.

Tracking Check

Verify that your clickthroughs are being tracked by Litmus, your email marketing software, and/or Google Analytics.

Marketing Analytics

This email doesn't contain any marketing analytics on its links.

Litmus Email Analytics

Your email doesn't have a tracking code in it yet.

Image Blocking Check

Preview your email with images off — and get notified about which images are missing alt text.

Alt Text Preview

Alt Text
Image Path
Interactive SVG post slide-1-hero-img.jpg
Basics of SVG in email mod03-im01.jpg
SVG animation mod03-im02.jpg
Empty o.gif

Loading Speed Check

See how long it takes to load your email.

Your email took 0.4 seconds to open - great job!

While your open rate may not be affected by email open times, your recipient's level of engagement will be. Add Email Analytics to your email to see how long your recipients read your email. The faster your email opens, the more reads you'll see!

4 Images

54 KB Total image size

359 ms Total time to load

Status Image Size Time 167 ms 333 ms 500 ms 667 ms 833 ms
slide-1-hero-img.jpg 30 KB
mod03-im01.jpg 11 KB
mod03-im02.jpg 13 KB
o.gif 0 bytes

Having rendering issues with Outlook Windows? Learn more about common Outlook rendering issues.

Having rendering issues with Outlook Windows? Learn more about common Outlook rendering issues.

Having rendering issues with Outlook Windows? Learn more about common Outlook rendering issues.

Having rendering issues with Outlook Windows? Learn more about common Outlook rendering issues.

Having rendering issues with Outlook Windows? Learn more about common Outlook rendering issues.

Having rendering issues with Outlook Windows? Learn more about common Outlook rendering issues.

Having rendering issues with Outlook Windows? Learn more about common Outlook rendering issues.

Seeing links in Windows 10 Mail being underlined? Windows 10 Mail underlines links by default as a part of its reset CSS. Learn how to remove this default behavior.

Seeing embedded CSS or media queries not working? Gmail has a very strict parser that will strip out entire <style> blocks that contains what it deems to be “invalid” CSS. It’s often caused by using attribute selectors in CSS or unsupported CSS properties by Gmail. Learn more about common Gmail issues

Seeing embedded CSS or media queries not working? Gmail has a very strict parser that will strip out entire <style> blocks that contains what it deems to be “invalid” CSS. It’s often caused by using attribute selectors in CSS or unsupported CSS properties by Gmail. Learn more about common Gmail issues

Seeing embedded CSS or media queries not working? Embedded CSS and media queries are not supported for POP or IMAP accounts using Gmail. To understand all of the Gmail account type rendering differences, check out this article

Seeing embedded CSS or media queries not working? Android 5.1 and above does not support embedded CSS or media queries. Learn more with The Ultimate Guide to Email on Android and 3 Keys to Understanding Email Rendering on Android.

Seeing embedded CSS or media queries not working? Android 5.1 and above does not support embedded CSS or media queries. Learn more with The Ultimate Guide to Email on Android and 3 Keys to Understanding Email Rendering on Android.

Having rendering issues with Samsung Mail? Learn more about common Samsung rendering issues.

Seeing blue links? Gmail autostyles links to be blue. Learn how to fix blue links in Gmail.

Seeing blue links? Gmail autostyles links to be blue. Learn how to fix blue links in Gmail.

Seeing blue links? Gmail autostyles links to be blue. Learn how to fix blue links in Gmail.

Seeing blue links? Gmail autostyles links to be blue. Learn how to fix blue links in Gmail.

Seeing blue links? Gmail autostyles links to be blue. Learn how to fix blue links in Gmail.

Seeing media queries not working? Media queries are not supported in Outlook.com or Office 365.

Seeing media queries not working? Media queries are not supported in Outlook.com or Office 365.

Seeing media queries not working? Media queries are not supported in Outlook.com or Office 365.

Seeing media queries not working? Media queries are not supported in Outlook.com or Office 365.

Seeing media queries not working? Media queries are not supported in Outlook.com or Office 365.

Seeing media queries not working? Media queries are not supported in Outlook.com or Office 365.

Is your email not scaled properly on iOS 10 and above? You can add a simple meta tag to fix iOS scaling issues. Learn more about iOS 11.

Is your email not scaled properly on iOS 10 and above? You can add a simple meta tag to fix iOS scaling issues. Learn more about iOS 11.

Is your email not scaled properly on iOS 10 and above? You can add a simple meta tag to fix iOS scaling issues. Learn more about iOS 11.

Is your email not scaled properly on iOS 10 and above? You can add a simple meta tag to fix iOS scaling issues. Learn more about iOS 11.

Is your email not scaled properly on iOS 10 and above? You can add a simple meta tag to fix iOS scaling issues. Learn more about iOS 11.

Is your email not scaled properly on iOS 10 and above? You can add a simple meta tag to fix iOS scaling issues. Learn more about iOS 11.

Is your email not scaled properly on iOS 10 and above? You can add a simple meta tag to fix iOS scaling issues. Learn more about iOS 11.

Is your email not scaled properly on iOS 10 and above? You can add a simple meta tag to fix iOS scaling issues. Learn more about iOS 11.

Is your email not scaled properly on iOS 10 and above? You can add a simple meta tag to fix iOS scaling issues. Learn more about iOS 11.

Is your email not scaled properly on iOS 10 and above? You can add a simple meta tag to fix iOS scaling issues. Learn more about iOS 11.

Is your email not scaled properly on iOS 10 and above? You can add a simple meta tag to fix iOS scaling issues. Learn more about iOS 11.

Is your email not scaled properly on iOS 10 and above? You can add a simple meta tag to fix iOS scaling issues. Learn more about iOS 11.

Having rendering issues with GMX? Learn more about GMX rendering.

Having rendering issues with GMX? Learn more about GMX rendering.

Having rendering issues with GMX? Learn more about GMX rendering.

Having rendering issues with Web.de? Learn more about Web.de rendering.

Having rendering issues with Web.de? Learn more about Web.de rendering.

Having rendering issues with Web.de? Learn more about Web.de rendering.

Having rendering issues with Comcast? Learn more about Comcast rendering.

Having rendering issues with Comcast? Learn more about Comcast rendering.

Having rendering issues with Comcast? Learn more about Comcast rendering.

Having rendering issues with T-Online? Learn more about T-Online rendering.

Having rendering issues with T-Online? Learn more about T-Online rendering.

Having rendering issues with T-Online? Learn more about T-Online rendering.

Having rendering issues with SFR? Learn more about SFR rendering.

Having rendering issues with SFR? Learn more about SFR rendering.

Having rendering issues with SFR? Learn more about SFR rendering.

Having rendering issues with Freenet? Learn more about Freenet rendering.

Having rendering issues with Freenet? Learn more about Freenet rendering.

Having rendering issues with Freenet? Learn more about Freenet rendering.

Having rendering issues with Libero? Learn more about Libero rendering.

Having rendering issues with Libero? Learn more about Libero rendering.

Having rendering issues with Libero? Learn more about Libero rendering.

Having rendering issues with Mail.ru? Learn more about Mail.ru rendering.

Having rendering issues with Mail.ru? Learn more about Mail.ru rendering.

Having rendering issues with Mail.ru? Learn more about Mail.ru rendering.

Want to optimize your emails for Dark Mode? Learn more about Dark Mode in Apple Mail.