MIT licensed · Framework agnostic · Dynamic heights

Virtual scrolling for serious data.

Cerious Scroll is a high-performance virtual scrolling engine for data grids, chat feeds, log viewers, financial dashboards, and any UI that needs to render massive lists without turning the browser into the bottleneck.

Try the live demo View on GitHub

O(1) engine memory Variable-height rows No GPU transform hacks TypeScript ready

100M+elements tested

60fps+target UX

<1msscroll math target

#4,210,00432px

#4,210,00596px

#4,210,00648px

#4,210,00732px

#4,210,00856px

Virtual window: rows 4,210,004 – 4,210,120 · drift: 0px

The problem

Traditional virtualization gets fragile when content stops being uniform.

Dynamic heights

Rows expand, images load, messages wrap, and real-world content refuses to fit a fixed-height model.

Jumps and desync

Spacer math, transforms, and delayed measurement can cause visible jumpiness under heavy interaction.

Framework lock-in

Most solutions are tied to one UI stack. Cerious Scroll starts as an engine, then plugs into your framework.

The approach

Engine-first virtualization that your components can compose.

Cerious Scroll keeps the virtual surface model separate from the UI framework. That means the same core ideas can power Vanilla JavaScript, React, Vue, Angular, and future integrations without rewriting the engine for every stack.

Bounded workScroll calculations stay independent of total dataset size.

Measured heightsContent can be measured and reconciled as it appears.

Native scrollingUsers keep browser-native scroll behavior instead of fake scroll UX.

DOM-friendly updatesDesigned to avoid constant full-window churn during fast scrolling.

Live demos

Try it in the stack you already use.

Each implementation has a hosted demo so developers can evaluate behavior immediately instead of reading claims.

Core

Vanilla JavaScript

The framework-agnostic engine and base demos.

Open demo → React

React wrapper

React-friendly integration built on the same engine.

Open demo → Vue

Vue wrapper

Vue integration for dynamic list and data-heavy interfaces.

Open demo → Angular

Angular wrapper

Angular integration for teams that need more than fixed-height scrolling.

Open demo →

Supported today

One engine. Four ways to ship.

PackageUse caseStatus

@ceriousdevtech/cerious-scrollVanilla JS / engine-level integrationAvailable

@ceriousdevtech/react-cerious-scrollReact applications and design systemsAvailable

@ceriousdevtech/vue-cerious-scrollVue applications and dashboardsAvailable

@ceriousdevtech/ngx-cerious-scrollAngular applications and enterprise UIAvailable

Proof over hype

Make performance easy to verify.

The strongest story is not “trust us.” It is reproducible demos, visible behavior, and benchmark pages developers can run locally.

Dynamic-height stress test

Rows expand, collapse, and resize while scrolling so developers can see whether the viewport stays stable.

Chat and log workloads

Realistic variable-height content makes the value easier to understand than synthetic numbered rows.

Comparison page

Show Cerious Scroll next to common alternatives using the same data and the same browser.

MIT licensed

Install it, inspect it, and ship it.

Cerious Scroll is positioned for open-source adoption first: permissive license, public demos, and framework wrappers developers can try today.

npm install @ceriousdevtech/cerious-scroll

GitHub repo Documentation