What is a slideout?
A slideout is a message card that slides into a corner of the screen — typically bottom-right — without dimming or blocking the page behind it. It occupies the middle of the attention spectrum: more present than a tooltip, less demanding than a modal, and users can keep working while it waits.
The niche it owns
Messages that matter but don't warrant a full stop: a tip relevant to the current screen, a gentle reminder that setup is unfinished, a follow-up for users who dismissed the welcome modal but haven't activated. Because the page stays usable, a slideout reads as a colleague leaning over — "when you have a second" — rather than a meeting invite.
Where it beats the alternatives
- Over a modal: any message users shouldn't be forced to address — recurring nudges especially. The second interruption for the same cause should always be quieter than the first.
- Over a tooltip: content not tied to a specific element — screen-level or account-level messages with no natural anchor.
- Over a banner: richer content (an image, two buttons) aimed at a targeted segment rather than everyone.
Craft notes
Corner choice matters — pick the quiet one for your layout, away from primary actions and the support widget. Keep it dismissible with memory, cap the frequency like any surface, and measure click-through the same way: a slideout is only polite if declining it is effortless. All of it ships no-code alongside modals in the same builder, which makes the right habit cheap: when in doubt between a modal and a slideout, ship the slideout — it is the reversible choice, and most messages survive the demotion just fine.
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