Avoiding the sudden appearance of unstyled content in Single-File Components

I am looking to update my HTML navigation

<div id="header-wrapper">
  <div id="header-logo-title">
    <nav>
      <ul id='mainNav'>
         <li>Home</li>
      </ul>
    </nav>
  </div>
</div>

by incorporating a VUE component like so:

<navigation>
    <nav-item>Home</nav-item>
</navigation>

I recently learned about the importance of extracting CSS in order to avoid issues such as flash of unstyled content, as explained here:

When using Single-File Components, the CSS inside components are injected dynamically as tags via JavaScript. This has a small runtime cost, and if you are using server-side rendering it will cause a “flash of unstyled content”. Extracting the CSS across all components into the same file will avoid these issues, and also result in better CSS minification and caching.

Despite moving my component's CSS into a separate file, I am still encountering flash of unstyled content upon loading the page.

Could this issue be related to replacing 

<navigation>..</navigaton>
with

<div id="header-wrapper">
  <div id="header-logo-title">
    <nav>
      <ul id='mainNav'>
         ....
      </ul>
    </nav>
  </div>
</div>

using VUE? And if so, how can I prevent this from happening?

javascriptcssvue.jsvuejs2

Answer №1

To prevent this issue, you can utilize server-side rendering for VUE. This approach will involve sending the client the pre-rendered HTML content.

<div id="header-wrapper">
  <div id="header-logo-title">
    <nav>
      <ul id='mainNav'>
         <li>Home</li>
      </ul>
    </nav>
  </div>
</div>

Instead of 

<navigation>
    <nav-item>Home</nav-item>
</navigation>

prior to the execution of JavaScript code.

A key point highlighted in this informative article:

Incorporating SSR does not necessarily enhance the loading or running speed of your application; on the contrary, it might marginally slow down as the server now has the additional task of rendering the app. However, displaying the page's content promptly allows users to engage with the page sooner.

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