I've encountered an issue where I receive the "Add to home screen" popup on my website example.com. However, when accessing my website through www.example.com, the popup appears again and upon clicking "add," it adds another icon to the home screen.
Is there a way to prevent this duplication of icons from happening? It's counterproductive to have multiple icons for the same website.
The most straightforward solution is to automatically redirect www requests to non-www requests, ensuring users never linger in the alternate subdomain.
If for any reason this isn't possible, consider setting a cross-subdomain cookie upon Progressive Web App (PWA) installation as a marker that the user has installed the PWA. Then, within your code, monitor the beforeinstallprompt event and refrain from prompting installation if the cookie is present.
One solution is to incorporate JavaScript into your website in order to automatically delete a specific tag when users access the www version of your site.
The problematic tag that you may want to remove is:
<link rel="manifest" href="/manifest.json">For instance, you can use this code snippet as an example:
if (window.location.host.startsWith('www.') {
const manifestLink = document.querySelector("link[rel='manifest']")
manifestLink.parentNode.removeChild(manifestLink)
}
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