Could you provide guidance on how to store HTML, JavaScript, and CSS files in HTML5 local storage?
I am looking to optimize the speed of my web application!
Thank you!
Could you provide guidance on how to store HTML, JavaScript, and CSS files in HTML5 local storage?
I am looking to optimize the speed of my web application!
Thank you!
Using the Application Cache is recommended over localStorage for this purpose:
When it comes to CSS/JS files, HTML5 Local Storage isn't the way to go - instead, opt to cache them for better performance.
Instead of relying solely on local storage, I recommend implementing cache systems on both client and server sides. This approach allows for better control over updates (such as invalidating the cache). Additionally, utilizing a CDN can help optimize the delivery of static content like images, JavaScript, and CSS.
Although it may not be the ideal solution, one way to improve interface performance is by utilizing local storage for caching. In a past article on 24Ways from 2010, Christian Heilmann shared various insights and strategies regarding this approach. Additionally, you can watch a helpful screencast demonstrating this concept in action.
Keep in mind that when caching images in local storage, it's important to first encode them using Base64. For more information on how to achieve this, refer to resources like Stack Overflow.
Opt for using local storage as a primary option for storing data objects (JSON) or individual values such as strings or numbers. Avoid saving the presentation layer within it.
Definitely feel free to utilize it.
If you set up your cache for the browser to check whether a file has been modified, it will send a request for the file and the CDN will reply with a 304 status code indicating that the file in the browser cache can be used. However, this process still necessitates an HTTP request. To avoid this, you can make use of etags or expiration headers.
In some cases, when loading external files from websites where you cannot control the headers, local storage can be a more efficient way to save time by eliminating the need for HTTP requests and 304 responses.
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