When evaluating prospective web design and online marketing companies here in Dubai, another good idea is to stop thinking about someone interested in getting a website for a moment, and look at things from the perspective of someone who would be using one.
What this really comes down to is usability. For any vendor you are thinking about working with, assess some of their finished projects with an eye toward thinking about how easy they are to navigate and use. Do they load quickly? Is it easy to get from one page to another, and are the content and links clearly marked? These might seem like minor points, when you are looking at page after page of dazzling designs, but they aren't. Usability isn't just one more issue – it’s a key issue that can determine whether your new site helps you to reach any of your marketing goals.
Not every shortcoming in usability is going to be the design team's fault. There certainly are times when, even though one idea or layout is recommended, the client makes a final decision that forces the design in another direction. But if you are seeing page after page of Flash intros that take forever to load, nearly hidden navigation bars, and other issues that make it hard for the site to be useful, then it's fair to wonder why the designers didn't warn or inform their clients to make better choices.
It doesn't matter how wonderful your pages look; no one is going to stick around to view them, read them, or find the information they're looking for if your site doesn't feature the highest level of usability. That's especially true if they haven't done business with you before, since they aren't likely to stick around and see whether you are worth the time and effort.
To know whether a design firm is doing their job, you have to think like your own best future customer, and that means keeping usability at the front of your mind. Remember that, make sure you look for obvious clues, and look for vendors that make sites that are as easy to work with as they are to look at.