This post is a revised version of a post that previously appeared on the Summersault blog, now edited to be more generally useful.
If you've read any kind of article on website development or related topics from the last few years, it almost certainly told you that making your website "mobile-friendly" is critical to its success. Everyone wants their new website to look great and work great, and they want to make sure it's mobile-friendly too.
It's a great goal, but it can also be a confusing one.
Making a website "mobile-friendly" can mean a lot of different things depending on the type of site and the end result you're looking for. Most new websites created these days now have some minimum level of compatibility with mobile devices, but when discussing mobile-friendliness as an interest or when you need to use mobile components to achieve a particular business/organizational goal, there are some details to talk about.
Here are a couple of different interpretations of the phrase "mobile-friendly" when it comes to website development: