[Independent Study] Placing Event Banners Improves Overall Newsletter Circulation

Combeez Inc. conducted a verification study on its newsletter operations between January and the end of May 2026. The study focused on how placing attractive event banners influences overall newsletter circulation.

Study Content Newsletters often contain multiple banners, such as campaign promotions, white papers, service introductions, and event notifications. Typically, each banner's click-through rate (CTR) is evaluated individually to determine which path led to results.

However, readers view the entire email as a single piece of content. Therefore, a single eye-catching banner can capture interest and draw attention to other content within the email, potentially raising the overall CTR.

Purpose To confirm whether installing high-click event banners can increase the CTR of other banners placed in parallel, in addition to attracting clicks to the event banner itself.

Results Following this initiative, the CTR of the permanent top-page link rose from 0.00% to a maximum of 0.374% (measured between January and the end of May 2026).

Previously, the permanent top-page link received no response. By placing it alongside the event banner, it began receiving clicks. Placing attractive banners in an email appears to encourage readers to engage more positively with the entire content.

Implications These results show that evaluating individual banners as independent paths in newsletter design is insufficient.

An event banner that attracts reader interest can serve as a catalyst for reading through the entire email, rather than just increasing clicks on the banner itself.

In essence, it is not just about 'which banners to place,' but 'in what order and in what context' they are placed.

In particular, paths that evoke reader emotions, such as events or campaigns, can potentially boost overall engagement when combined with practical paths like service introductions or material downloads.

Combeez Inc. plans to continue verifying banner configurations, placement order, design, and wording in its newsletters.