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phantomas

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Headless Chromium-based web performance metrics collector and monitoring tool

github.com/macbre/phantomas

macbre/phantomas

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/** * Analyzes DOM hidden content */ "use strict"; module.exports = function (phantomas) { // total length of HTML of hidden elements (i.e. display: none) phantomas.setMetric("hiddenContentSize"); // @desc the size of content of hidden elements on the page (with CSS display: none) @offenders phantomas.setMetric("hiddenImages"); // @desc number of hidden images that can be lazy-loaded @offenders };