Mobile menu recommendations

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I'm about to kick off development for new responsive website and was looking for recommendations on mobile menu implementations. I'm sure there are plugins available generically but I would like to know which ones you guys have been using to best effect.

I really like the one implemented on the google analytics app which slides from the side but I am also concerned with the payload associated with these effects.

As always appreciate your views and input.
Going to use WordPress with some customisation to improve security. Some have mentioned bootstrap but I don't think that's it. Also other's mentioned modeniser and scroll to plugins. But would like something decent so I can use bit on my other projects going forward