I would suggest making a video with  all basic information as possible. 

-Bases for sailors.

-Brief explanation about what is each sailor for.

-Planification of what kind of sailors you need for a bb/cv/ss crew.

-Explanation of the importance of promoting them on time. Btw, I think there is a problem of lack of points at the start for new players about they can't class the sailors on time if they level too many at a time ...

-What premium items are more necessary and where.

 

That should cover most of the problems for new players i think, once they have clear those issues they can start to read more complicated guides.

I suggested time ago to make a competition about making a good and new oficial guide with prizes in olives and put it avaliable for download.

I dont know if i have to post this here but, the Starter Packs have to be changed a bit, especailly restorers on every pack, people pay to start with the best, and most of the players stop playing when someone says: Your crew is wrong, start over. I have tons of friends that quit the game because they had to start over because of the crew, and the 90% of them bought starter packs.

I have run into payers that have leveled to CL and above, that did not know how to fill recruits on their sailors...

Keyboard shortcuts and hotkeys.  

I think I'm still a relatively new player (3 weeks in and I didn't know what tabbing was or how to zoom out until yesterday) and I can tell you that a list of keyboard shortcuts and hotkeys (more than just the chat command list pasted in this forum) would be very helpful.  

Examples that I've learned just in the last 3-5 days alone
(and I don't think there is a comprehensive list of keyboard shortcuts and hotkeys out there other than maybe trainworld and that doesn't have some of what I learned yesterday):

The quick load, launch return keys for CVs (pilot # followed by ~) 
f11 zoom (this is fn+F11 on a mac btw)
f5 keyboard layout
f12 chat pullup
f2 team chat
+ cease or resume fire for escort

and that . works as the trigger for both manual torpedo and manual dive bombing.  


note (on a mac the f1-12 keys are triggered by holding fn+the function key you want) 

Navyfield Calculators. 

sailors base

experience rate

Ship setups ( some new players commom asked question, why my gunners are not shooting )

explaining the benefits of EBVE sailors.