That is the question!
Choosing between redirecting to an existing website, or having qrready.com host your content should consider the pros/cons of each option.
Redirecting to your website is pretty straight forward. You’re given much more control over how things get done. This lets you connect to databases, api’s etc and populate the content as necessary. Qrready.com allows you to choose between redirecting to several different types of urls. These are automatically decided based on the device used to scan the QR Code. So, an iPhone can be redirected to the Apple App Store, whereas an Android device can be sent to the Google Play Store. This is perfect for linking to your mobile applications seamlessly! The default url is chosen in the event that the device platform isn’t detectable, or visited by any other device type (backberry, windows, web, etc.)
Choosing to host your content with qrready.com is an option that should be used when you don’t want to, or need to involve your IT department. Single page landing pages can be created and hosted by qrready.com. You’re allowed to upload as much content as you’d like as long as it can fit on the same page. The only restriction is that the content is valid HTML. You are free to host any css, js, etc inline or link to them on external websites.
One option is not necessarily better or worse than the other. You are free to choose which option works best for you.