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What does it mean to cache content on a website?
In the context of websites and apps, caching is defined as storing content in a temporary storage, like that on the user’s browser or device or on an intermediate server, to reduce the time it takes to access that file. According to HTTP Archive, among the top 300,000 sites, the user’s browser can cache nearly half of all the downloaded content.
How long can static content be cached in a browser?
You can use the table below to set the appropriate cache lifetime based on the type of resource: for up to 6 months. Note: Static assets can be safely cached for a longer duration, like six months or even one year. Don’t cache HTML on the browser so that you can quickly push updates to the client-side.
When does a CSS file need to be cached?
When the browser parses this HTML, it identifies that a CSS resource needs to load from https://www.example.com/app.css. The browser issues a request to the server for this file, the server returns the file and also tells the browser to cache it for 30 days.
How long does Google cache CSS and images?
In almost all cases, static assets like images, JS, and CSS, do not change on a per-user basis. Thus they can be easily cached on the browser and on intermediate proxies and can be cached for a very long duration. Google generally recommends a time longer than 6 months or even a year for such content. b.
Why does my browser cache my JavaScript files?
According to HTTP Archive, among the top 300,000 sites, the user’s browser can cache nearly half of all the downloaded content. It reduces the time it takes for the user to view the images or Javascript or CSS files. This is because the user now accesses the file from his system instead of getting downloaded over the network.
Where are response bodies stored in page caching?
Page caching is an approach to caching in which response bodies are stored in files that the web server can serve directly: A request to endpoint E arrives. Its response is calculated and stored in a file F.