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Measured entry

kibo-marquee

scroll-effectminimal-flatmotion on file

A client-side React marquee split into container, scrolling content, edge-fade, and item primitives. It ships as a shadcn registry file, delegates animation to react-fast-marquee, and expects Tailwind utilities plus the usual cn helper backed by clsx and tailwind-merge.

Specimen
Motion capture of the mounted demo, recorded by the harness. No audio track.
Harness screenshot of kibo-marquee at 375 pixels wide
Harness screenshot at 375 pixels wide. This viewport scrolled sideways.
Harness screenshot of kibo-marquee at 768 pixels wide
Harness screenshot at 768 pixels wide. No horizontal overflow recorded.
Harness screenshot of kibo-marquee at 1440 pixels wide
Harness screenshot at 1440 pixels wide. No horizontal overflow recorded.

Measured

Every value below was written by the harness on the run that produced the frames above. None of it is derived from the prose.

Harness measurements recorded for kibo-marquee
BuildOK
MountOK
Console errors0
Uncaught page errors0
Horizontal overflowflagged at 375
Axe critical0
Axe serious0
Axe moderate0
Axe minor0
Gzip marginal31.3 KB (96.8 KB build, 65.5 KB baseline)
Bare modeOK
Provider requiredNO
Demo usedwritten from the component source API

Verdict

A clean, narrowly scoped wrapper that builds and mounts without a provider and is easy to compose. It is a sensible pick for Tailwind projects already comfortable with react-fast-marquee, but the convenience carries a notable dependency cost and leaves reduced-motion policy to the adopter.

Use it if

  • You need a continuously scrolling strip for logos, sponsors, products, or short labels.
  • You want composable fade and item primitives while leaving speed, direction, looping, and pause behavior to react-fast-marquee.
  • Your project already uses Tailwind and a cn utility, so the registry file fits without structural changes.

Skip it if

  • You want a dependency-free CSS animation or cannot justify adding react-fast-marquee for a small effect.
  • Your content must remain still unless a visitor explicitly starts it, since motion begins automatically by default.
  • You need reduced-motion behavior, keyboard-controlled pausing, or touch-specific controls without writing an accessibility wrapper.
  • Your narrow layouts cannot tolerate moving content without additional responsive testing and container adjustments.

Install

Installation record for kibo-marquee
Declared dependenciesreact-fast-marquee, clsx, tailwind-merge
Missing on installnone
Bare installbuilds and mounts without the shadcn-style helpers
Providerno provider required in the harness

In a non-shadcn project, add react-fast-marquee, Tailwind, clsx, and tailwind-merge. Provide a cn helper, replace the configured alias with a local import if needed, and define the background theme utility used by the edge fades. Add your own reduced-motion treatment where appropriate.

Source and credit

This page is a review, not a copy. The component source lives with its author and this site does not republish it. Read the license before you use anything.

Author repository

github.com/shadcnblocks/kibo
License
MIT
Record published
2026-08-17

Alternatives

Other published entries for the scroll-effect pattern, ordered by what they measured: mounts first, then clean axe scans, then bare-mode passes, then the smaller bundle.