I see Astro js is quite faster than next js but in terms of the job market next js is good. Any thoughts? Making tutorials is a hard thing. What is your motivation for making tutorials?
See Sravan, every JS frameworks and libraries have there own pros and cons. So, depending on the flexibility, resources, requirements, project structure and every thing. So, we can't say which will be on the top. Just as you mentioned we have to go with Job market. As per me anything is javascript only we have to learn based on demand and usage, requirements.
Coming to your second question, My motivation towards making tutorials is "My passion towards teaching". Even I'm a realtime software engineer im very intrested to teach what i know. As already engaged with industry i can't make this happen offline. So i choose this way to deliver my vision. For your question, if i want to explain it may take lot of time to explain. Will do a video on this if possible :-)