Are both of my responsive CSS files supposed to be loaded by Chrome as normal behavior?

I am attempting to implement different CSS files for the mobile and desktop versions of my website in the following manner:

<link rel="stylesheet" media="screen and (min-width: 768px)" href="home.css" />
<link rel="stylesheet" media="screen and (max-width: 767px)" href="home-mobile.css" />

However, upon checking in Chrome, I noticed that both of my CSS files are being loaded. The issue seems to be that home-mobile.css has a higher priority than home.css on lower widths, and vice versa.

Is there a way to ensure that only home-mobile.css is loaded on an actual mobile device?

htmlcssmobileresponsive

Answer №1

I agree with Maor Refaeli's response, but there could be another way to implement it.

if (window && window.width < 768) {
    document.write('<link rel="stylesheet" href="mobile-home.css" />');
}

Answer №2

It's just the way it works.
If you follow your request, your website won't adjust to different screen sizes.
A responsive webpage is meant to be able to adapt to various resolutions (even phones and tablets with varying resolutions) without having to load all CSS files every time the resolution changes.

You can compress your CSS files to reduce data usage.

Alternatively, if you really want to, you can use JavaScript to listen for specific media actions and dynamically add the CSS tag to the DOM when needed. Check out this answer for more guidance.

Answer №3

It is completely normal to want a code snippet that can switch between two different CSS styles when a mobile device is detected. If you are using PHP for the back-end, you can use something like 

$_SERVER['HTTP_USER_AGENT']

to detect the user agent. However, it is important to note that relying solely on this method may not always be accurate as the information may not always be present in the HTTP header. My suggestion would be to load your files and follow Maor Refaeli's advice by minifying them.

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