Ecosystem
A small ecosystem implies there aren't many people writing in the language, meaning fewer people to engage in discussion and fewer examples to follow. In contrast, there are plenty of people talking about widely adopted languages, but more people often means more misinformation within larger ecosystems.
Java
Used for websites web games mobile apps desktop apps hardware
medium barrier to entry
high demand
high pay
easy to find help
Javascript
Used for websites web games mobile apps desktop apps
low barrier to entry
high demand
low-high pay
easy to find help
Kotlin
Used for websites web games mobile apps desktop apps
low barrier to entry
high demand
low-high pay
easy to find help
PHP
Used for websites web games mobile apps desktop apps
low barrier to entry
high demand
low-high pay
easy to find help
Python
Used for websites web games mobile apps desktop apps
low barrier to entry
high demand
low-high pay
easy to find help