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Think Outside the Box When Creating (and Testing) Boxing Day Subject Lines

In the United States, Boxing Day is simply known as the start of post-Christmas sales. It is the first day when recipients of gift cash and gift cards can shop for year-end bargains.

‍Your email marketing program has ticked all the boxes so far this holiday season: Black Friday, Small Business Saturday, Cyber Monday, Green Monday, National Free Shipping Day, and Super Saturday. Christmas Eve emails are in the queue for deployment on the ultimate last minute shopping day. Now you can sit back, relax, and enjoy the holiday. Not so fast.

The day after Christmas brings us Boxing Day, the follow-up to all your pre-holiday campaigns. It is recognized as an official holiday in the U.K., Canada, and Australia. In the United States, Boxing Day is simply known as the start of post-Christmas sales. It is the first day when recipients of gift cash and gift cards can shop for year-end bargains.

No matter what you call it, Boxing Day is your brand’s last best chance to launch to clear out remaining stock, make way for inventory arriving in the new year, and land a knockout punch that hits your annual sales target.

 Subject Lines are Key to Reaching Customers on Boxing Day

In terms of a general campaign strategy for Boxing Day, a good model is to send a preview email the day before, timed offers throughout the day, and a “Last Chance” message the day after. But regardless of your approach, the most important part of your Boxing Day campaign will be Subject Lines.

Boxing Day shoppers expect great deals, are in a hurry to get them, and don’t want to waste time searching. Simply including “Sale” in your Subject Line won’t cut it. Two of the most popular tactics for Boxing Day Subject Lines are shouting out your discount and setting a deadline to promote a fear of missing out (FOMO).

Here are some examples of Subject Lines that leverage discounts and FOMO to grab attention

Boxing Day Sale | Up to 50% Off Ends Tonight

Year End Deals Are Here — 30-80% Off Everything

Happy Boxing Day! Save an Extra 30%

Post-Christmas Savings Up to 50% – Ends Tomorrow

Boxing Day Sale: Get 25% off everything

Let the celebrations continue. Get up to 50% off.


Our Boxing Day sale is ON NOW

Up to 70% Off Christmas Clearance!

Celebrate Boxing Day with up to 75% off!

Save up to 30% in our After Christmas Sale

It’s Boxing Day! Here’s 40% OFF!

Surprise! 40% Off Boxing Day Sale

Boxing Day Sale – Your Post-Holiday Excuse to Shop: 60% Savings!

Our Best Ever Post Christmas SALE! Up to 50% off

When It Comes to Testing, Think Outside the Box

The list above offers a few attention-getting Subject Lines to consider as you craft your own. But whatever your approach to Boxing Day Subject Lines may be, testing is crucial. This is especially true given the importance of making the most of this last chance sales event. However, the small window that boxing Day presents can make setting up and running traditional A/B tests for your Subject Lines in a timely manner difficult. Fortunately, there is a solution for email marketers prepared to think outside the box.

Subject Line Pro, our virtual testing platform delivers real, accurate results in seconds. It allows you to test up to 10 subject lines at a time to get likely open, click, and deliver rates. The results are typically within 1 to 2% of actual performance. Contact us to learn more about Subject Line Pro and how you can get started.


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