Recently Web Components have been gaining and increasing amount of momentum for web app development. It is easy to see why as the inclusion of web components in a project allow the building of faster, smaller and smarter HTML. If this is the kind of code you would like to build into your project then Web components will help you achieve this.
When maintaining a website it is virtually inevitable that at some point you may need to change your hosting provider.
There are lots of reasons why this may be the case – cost, space, server performance and support for example. I recently went through this experience myself as I missed the ability to make remote connections to my database. A feature I had gotten familiar with on a previous package.