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In huge project WebStorm (it can be other product of JetBrains) is always thinking and loading something.

This is really annoying me!

3 Answers 3

276

Here is my recipe how to speed up your lovely WebStorm:

  • Go to Preferences and do next:
    1. Appearance & Behaviour > System Settings > Updates: disable auto update
    2. Appearance & Behaviour > System Settings > Usage Statistics: Uncheck Allow sending data usage statistics to JetBrains
    3. Editor > Live Templates: disable all, leave only what you are really use
    4. Editor > Emmet: disable all emmets
    5. Editor > Intentions: I leave only: CSS, Declaration, JavaScript and Language Injection
    6. Plugins: leave only next (* - can be also disabled in case you don't need them):
      • CoffeeScript *
      • CSS Suport
      • CVS Integration
      • Git Integration
      • HTML Tool
      • IntelliLang
      • JavaScript Debugger *
      • JavaScript Intention Power Pack
      • JavaScript Support
      • NodeJS *
      • Perforce Integration
      • SASS suport *
    7. Project > Directories: Exclude all what you don't use
    8. Languages & Frameworks > JavaScript > Libraries: leave only: HTML and HTML5 / EcmaScript 5
    9. Languages & Frameworks > Compass: disable it
    10. Tools > WebBrowsers: leave only Chrome
  • Help > Edit Custom VM Options: Edit and increase usage memory pwd:

    -Xms1024m
    -Xmx1536m
    -XX:MaxPermSize=1024m
    -XX:ReservedCodeCacheSize=512m
    -XX:+UseCompressedOops

So the main idea is next: disable all in Preferences what you really don't use and increase memory for IDE.

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  • 16
    Editing the /Applications/WebStorm.app/Contents/bin/idea.vmoptions is not advisable check jetbrains.com/webstorm/help/tuning-webstorm.html to how to properly do it. Commented Apr 1, 2015 at 10:44
  • 3
    jetbrains.com/webstorm/help/tuning-webstorm.html - instead edit webstorm.vmoptions over idea.vmoptions for the right effect Commented Feb 2, 2016 at 16:18
  • 3
    I would also prune "Editor > Inspections" or to stop inspecting completely, enable "Power Save Mode" from the file menu. Commented Feb 2, 2016 at 16:23
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    All tips are useful but increasing the memory is the crucial one. My Intellij IDEA was pretty much dying, then I increased the memory and its flying again. My project got simply too big and I didn't realize this limitation. So thanks a lot! Commented May 26, 2016 at 10:26
  • 21
    In more recent versions, simply press Ctrl+Shift+A for the Find Action popup and type "Edit Custom VM Options". It will automatically create the correct file for your machine that you can edit. Commented Apr 29, 2017 at 19:24
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There is a "Power Save Mode" setting in the files menu. This will disable some syntax highlighting and stuff, but will improve the speed of any JetBrains IDE.

5

Also check out ScriptedAlchemy's jetbrains-ide-performance github repository - and be sure to check out the updated settings in the issues. Disabling unused global symbols (search for it in the settings, it's under inspections) also seems to help.

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