How do we improve in chess?

I have no idea how to improve and blitz and rapid;does anyone have tips for me to improve?I do many puzzles and I love doing puzzle rush

because I am much better at bullet

and the owner of this forum: by Anonymous_Dragon ,can you

please not report me 

Shameless Bullet Players 🤬

This was the link to the forum

So,are there any tips?

ur 800 rapid and have 57 puzzle record what????

i guess learn some openings like Kings indian defence and london

ok

this is my e4 repertoire:

and for black:

I mostly play sicilians

nah dont theres  WAAAAAAAAAY too much theoryin sicilian 

ok

Well do you have any recommended openings for black?

because e4 is much easier

for white

ok,thanks

so what will help me?

Have you guys seen this video: http://fumacrom.com/7Bqw

Sorry,the site is blocking me from watching it.

If you want to show a game,you can show it here:

post your best games here!