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    1.1.0 • Public • Published


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    A React component for optionally skipping server side rendering of components outside above-the-fold (or outside of the viewport). This component helps render your components on the server that are above the fold and the remaining components on the client.


    AboveTheFoldOnlyServerRender helps increase performance both by decreasing the load on renderToString and sending the end user a smaller amount of markup.

    The following table outlines a clear performance increase in the example app by skipping server rendering on the Footer component and several other below the fold zones:

    HTML Size renderToString Time
    before 452 kB 249 ms
    after 315 kB 177 ms
    diff -137 kB (-30%) -72 ms (-29%)


    npm install above-the-fold-only-server-render


    By default, the AboveTheFoldOnlyServerRender component simply returns the child component. You can tell the component to skip server rendering either by passing a prop skip={true} or setting up aboveTheFoldOnlyServerRender in your app context and passing the component a contextKey prop.

    You can skip server side rendering by passing a skip prop:

    import { AboveTheFoldOnlyServerRender } from "above-the-fold-only-server-render";
    const SomeComponent = () => {
      return (
        <AboveTheFoldOnlyServerRender skip={true}>
          <div>This will not be server side rendered.</div>

    You can also skip server side rendering by setting context and passing a contextKey prop:

    import { AboveTheFoldOnlyServerRender } from "above-the-fold-only-server-render";
    const SomeComponent = () => {
        return (
          <AboveTheFoldOnlyServerRender contextKey="aboveTheFoldOnlyServerRender.SomeComponent">
            <div>This will not be server side rendered based on the context.</div>
    class SomeApp extends React.Component {
      getChildContext() {
        return {
          aboveTheFoldOnlyServerRender: {
            SomeComponent: true
      render() {
        return (
          <SomeComponent />
    SomeApp.childContextTypes = {
      aboveTheFoldOnlyServerRender: React.PropTypes.shape({
        AnotherComponent: React.PropTypes.bool

    Development Guide

    We have an ever-green guide to our development practices with this archetype. Click here before starting development on a component library.


    To run the demo:

    gulp demo

    To view the demo, navigate to http://localhost:4000

    To view the demo with hot reload enabled, navigate to http://localhost:4000/webpack-dev-server/

    To run tests:

    gulp test

    To build /lib:

    gulp build

    npm link

    When using npm link, you must delete react from zeus-components-layout/node_modules/. This is because npm link is just a symlink, not a proper npm install.

    You must also run gulp build

    Built with ❤️ by Team Electrode @WalmartLabs.




    npm i above-the-fold-only-server-render

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    • caoyangs
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