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Headless Chromium-based web performance metrics collector and monitoring tool

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["Firefox has enabled HTTP/2 by default in version 34"](http://calendar.perfplanet.com/2014/http-2-0-is-coming-be-ready/) / https://github.com/ariya/phantomjs/issues/13715

research

This is just a simple suggestion but I think it could be good to adopt an "extension model" for reporters and engines. Concretely, I'm suggesting to split the code base...

architecture
Phantomas on diet

http://phantomjs.org/api/webpage/method/open.html See #657

enhancement

- allow responses to be gzipped - get the correct `bodySize` See https://github.com/ariya/phantomjs/issues/10156 and https://github.com/ariya/phantomjs/issues/10169

bug
external dependency

Ln:126 it's set as undefined but it's never restored. It was done for #482 but if any sites require that function then they can't use it since it's not overridden...

bug

- [Automatically Detecting 3PC with ThirdPartyContent.org](http://calendar.perfplanet.com/2013/thirdpartycontent/) - https://github.com/macbre/3pc - https://github.com/macbre/3pc/issues/3

new metric

Add documentation explanation: how to visualize numbers in e.g. chart and use in CI It is really hard to find how to visualize with standalone tools which fit into existing...

question

@william-p / @gmetais - any suggestions / examples? - measuring transitions between application states - triggering events (from phantomas run) that causes application transition

research

Hi There, i'm trying to detect if the tested url is a mobile site. One Metrik i try to use is document width is greater than the viewport width (in...

question

Here is an idea for a new metric (+ offenders): **assetsIncorrectlyGzipped**. It's pretty rare, but it happens. A list of formats: - png, jpg, gif, webp - woff and woff2...

new metric