Azure App Service

For a mid size front end, with a good budget to pay for resources escalation. Also for test environments and debug of Web Apps. It hosts great Function Apps, together with Web Apps. Spending in bundled in firewall, that's a good platform for e-payments and complies with all http / web standards, so you wont have surprises with Chrome and Chromium.
It comes with a good IP filter, that you would use starting in S1 (basic production) plan, but if you want a true firewall with DoS protection, it comes as an "additional". Both perform well.
Production plans have built-in backup and advanced networking support, also if spend limits are not so low, that's great to integrate your website in a private network.

So based on our experience Azure is giving some API development, that is best thing. Also Azure is giving streamlined workflow for DevOps. It is supporting some popular programming languages like java, .net , javascript etc that make it easy to develop and deploy application in the platform and monitor it.

You may easily deploy your apps to Azure App Service if they were written in Visual Studio IDE (typically.NET applications). With a few clicks of the mouse, you may already deploy your application to a remote server using the Visual Studio IDE. As a result of the portal's bulk and complexity, I propose Heroku for less-experienced developers.

Azure App Service is well suited in our case :

• Our website is developed by our tech partner in a full Microsoft Azure cloud based environment.
• We gave them specific access rights and the CI / CD integration helped a lot for updates and improvements deployment.
• Most of the infra issues we had with our website weren't coming from App Service

If you are a large organization where you have a lot of traffics, Azure is good for you. If your scenario is something like, you sometimes have high traffic, and sometimes low traffic, and you got enough money, Azure is good for scaling up to your need. Azure is definitely not for you if your budget is low. Not suitable for low budget people AT ALL.

Azure App Service is suited well for .NET runtimes. We don't need to do any IIS configuration. It is well integrated with DevOps so CI/CD pipelines can be configured.
Multiple applications cannot be hosted on the same Service. So it can get expensive for smaller apps.

Azure App Service is great if you're starting a new web project and need an infrastructure that is fast, stable, secure, and scalable. The service has a very high up-time, and it supports a variety of languages and technologies (though it really shines with the .NET stack - C#, ASP.NET, Entity Framework, etc.). If you're thinking about porting an existing app over, it may wind up being expensive as far as resources go if the software isn't properly optimized to utilize cloud resources efficiently, so that's something to keep in mind.

If your application is developed in Visual Studio IDE (usually .NET applications), it will be extremely easy to deploy your applications to Azure App Service. Visual Studio IDE already has the functionality to deploy there with very few clicks.

Due to the complexity and bloatedness of Azure Portal, I would recommend less complex platforms like Heroku for less-experienced developers.