Which plugins are you using? NeoComplete -> Async autocomplete for both NeoVim and Vim 8 NeoMake -> Async linting and make for both Neovim and Vim 8 Those are

Which plugins are you using? NeoComplete -> Async autocomplete for both NeoVim and Vim 8 NeoMake -> Async linting and make for both Neovim and Vim 8 Those are the only two I can think of that really benefit from async. Vim-airline, Easymotion, Ctrl-P, UndoTree etc. all don't need async, and you can just lazily load them on start if you use Vim-plug.