If you read this article, you likely have prepared a great animation for your email signatures.
Great idea, but beware..
Here are 3 important rules to get ready a .gif banner in the email signatures :
get set for deliverability
Optimise the file's weight
Stay focused on the message
This is the first question to ask yourself and the answer depends on your recipient's app.
If your recipient opens your email form Gmail, Mail (mac), Airmail, Sparks, Thunderbird, Polymail, Canary, ... Yes by default these message apps display the .gif formats.
No problem ! You can head to the second step : check the file's weight.
If your recipient opens your email form Outlook, the animation will not show, only its first image will be displayed.
It is then important to be ready.
If a majority of your recipients use Outlook (tales !), then you must preshoot that the first image will contain your message and the Call to Action expected in the first frameof your .gif.
Otherwise, the result will be nonsense : they would only see a fixed image, lacking efficiency.
De nombreux logiciels de messagerie ne montre que la première image de votre GIF, pensez à ce qu'elle contienne bien les informations de votre Call to Action
Good question. And it is the risk to take with .gif formats : they are quickly weight demanding.
To be displayed on your recipient's messaging app, the animation must be fully loaded, you should definitely watch the weight (in Ko) to make sure they are loaded quickly and are displayed as the email opens.
Here are some options to look after to optimise the weight :
limit the length of your animation
test the compression options on your tool to get better results
limit the authorised number of colours
prefer the solid colours to gradients and pictures
How much weighs the .gif file and where are you located on the scale ?

Before creating and deploying your animations in the email signatures, remember the point of this communication.
Is it corporate informative with no expectations on their end ?
Or is it with the intention that your client, curious or interested, clicks on it to know more about your product, the event, or the content you emphasize ?
Here is how to stay efficient :
Keep in mind the message and its form have to be simple, easily understandable, and that the form must serve the substance : the message
Define if the animation is important and brings clarity to the message.
Or if a static image (.jpg /.png) with a Call to Action button are enough.
Enjoy the process !
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