Improving loading time for pages requiring jQuery to render

Currently, I am utilizing the Google PageSpeed service to enhance the loading time of my website. It is hosted on GAE/P, but that detail may not be crucial in this context.

There are several resources my page relies on:

  • Bootstrap (css and js)
  • jQuery (js)
  • jQuery UI (js and css)
  • My custom assets (js, css, and images)

The waterfall diagram illustrating a page load can be viewed here. This particular page features Javascript for rendering a jQuery UI sortable functionality.

Implementing the PageSpeed suggestion of inlining necessary css/js appears challenging due to Bootstrap and jQuery components.

I am seeking recommendations on maximizing improvements in page speed. For instance:

  • Is it advisable to merge all js files (Bootstrap, jQuery, jQuery UI, mine) into a single file and host it myself?
  • Should I consolidate all css files (Bootstrap, jQuery UI, mine) into one css file and serve it directly?
  • Would combining images into a css sprite be beneficial?
  • Are there any other optimizations worth considering?

Your insights would be greatly appreciated.

javascripthtmlcssdompagespeed

Answer №1

This response may be categorized as an opinion, but I'll strive to present a logical argument for each point.

Is it advisable to merge all js files (Bootstrap, jQuery, jQuery UI, personal scripts) into one file and self-serve?

Yes. Consolidating resources reduces server round trips, but consider exploring other hosting options beyond your domain.

Should all css files (Bootstrap, jQuery UI, personal styles) be combined into a single stylesheet and served independently?

Yes, for similar reasons.

Is creating a CSS sprite for images recommended?

Possibly, though maintenance can be challenging and the benefits vary based on your application.

Any other factors to take into account?

Explore hosting static content using services like Amazon's Cloud Front, which offers faster user access to static content with less effort and cost. Additionally, consider converting your website into a single-page web application to minimize resource loading for users. However, this approach introduces complexities such as searchability and code intricacies.

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