DOMWeigher -- CLI tool and a gem to find the heavy DOM nodes
gem install domweigher$ domweigher
usage: domweigher [--mult <n>] <file.htm>
$ domweigher file.htm
468629 html
456568 body.inner-page-winter
121618 div
121532 svg
329049 div.wrapper
288929 header
283185 div.header-bottom
283122 div.container
283055 nav.main-nav
282218 ul.main-nav__list
51552 li.main-nav__item
51373 div.main-nav-hide
51302 div.container
51227 div.main-nav-submenu
Prints nodes until they weigh less than the whole HTML document weight divided by 10.
Divisor is configurabl via optional CLI arg --mult.
An SVG node is another stop.