Syntax highlighting slowing my vim down. I set

syntax sync maxlines=100
syntax sync minlines=100

Now i need to execute

:syntax off
:syntax on

After every new file getting opened to save performance. How can i do it? May there is better solution?

  • I'd say it's unlikely that syntax highlighting is slowing you down. Try to disable you plugins or maybe you can describe your issue better.
    – laktak
    Mar 28, 2017 at 15:40
  • @laktak I tried to switch syntax off and vim started working faster. Then if I switch syntax back it slows down again (but if file isn't large it works well). Terrible lags appear if I edit html
    – IC_
    Mar 28, 2017 at 23:47

1 Answer 1


My vim was slowing down because of Plugin 'Yggdroot/indentLine'. @laktak you was right

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