As a geek and yoga teacher, I obviously use internet a lot.
I strongly believe that we are very lucky to have access to that much resources and information!
So, There is a lot of great content out there I am just going to share some of my inspiration, or discoveries.
This one is a classic, but really amazing!
Also a classic, but a lot of very precise information about asanas, and articles!
The Joy of Yoga
You can find there a lot of pretty nice sequences
For the anatomy curious
Both resources are a little advanced, but really good:
Anatomy trains: https://www.anatomytrains.com/news/
(they also have a youtube channel)
You can also find amazing anatomy classes for free, on MOOC websites (Massive Open Online Courses), such as edX: https://www.edx.org/