Additional solutions can be easily connect: chatbots and others.
Cons

It is impossible to go beyond the templates, so all sites creat on constructors are similar.

The developer may remove some features or include advertising.

Self-written

Such a system is written by programmers

In this case, it is necessary to write new code for each new function, for example, to add a check mark before the name of certain products. This is expensive, such work takes a lot of time. As a rule, self-written CMS are written for large companies.

Pros

Any idea can be realiz.
These sites fly.
New technologies are easily implement.
Cons

There are no plugins, you asia mobile number list have to write new code every time.
Headless
In short, it is a cloud projects are CMS, a rather complex system running on the developer’s servers. It works with various types of interfaces and devices, coordinating data between them. Its task is to ensure that the web resource is correctly display on any device. CMS can be rent without purchasing a license.

The advantages include the fact that cloud

CMS is easy to scale and also the presence of reliable protection against hacker attacks.

The downside is that working with this system requires complex settings.

What to consider when a huge plus is a wide choice for targeting choosing a CMS for a website
The site projects are can be creat on any CMS, but it is necessary to take into account the specifics of each of them. For adb directory example, it is better to make blogs on WP, but OpenCard was creat exclusively for online stores. If the site is creat to sell one product, then a constructor will do for this purpose, and if a multifunctional portal with a lot of different content is plann, then you should choose a box or a self-written version.