Well suited as a website search solution. It’s not appropriate for new team members to use because it can be hard to learn the ins and outs of the admin interface. We only ask that new team members to use it once they are fully versed in using the GSA.
The Google Search Appliance is well suited to most site search needs and it is possible to customize the front end seen by website visitors to produce a satisfactory basic interface with basic branding applied to it. However, in some situations it may be necessary to instead make API calls from a web page to retrieve search results and the format in which those results are returned might be a little more difficult to work with.