When it comes to choosing your hosting provider for small to medium sized websites at an affordable cost, Digital Ocean and Amazon Lightsail or EC2 often comes to mind first. Here are a few articles comparing these:
Hardware & network performance comparison
Overview of the features and pricing
Feel free to add more articles to this list in the comments
Overall, both hosting solutions are similar and relatively easy to get started although Digital Oceans’ interface may be less daunting than Amazon Lightsail. In both cases, you should know or learn about how to use SSH, learn about the differences between the various Operating systems and how to optimise your server for your platform.