Phantomas

This release of phantomas brings the ability to measure **number of repaints** (currently supported by SlimerJS only - `--engine=gecko` - see 462).

A number of **jQuery related metrics** has been added:
- functions bound to window onload event (451)
- the use of different jQuery versions (or copies of the same version) on the same page (yes, that does happen :)) - 435
- events triggered (440)
- jQuery function calls that perform DOM reads and writes (436)

Enjoy the new version of `phantomas! Let's make our websites even faster in 2015!

All changes are listed below.

Changelog

New metrics
- 451 - Add `jQueryWindowOnLoadFunctions` metric
- 462 - Number of times the current document has been painted to the screen
- 440 - Measure the number of triggered events
- 438 - Requests to...
- 436 - Spy more jQuery functions
- 435 - Report the use of different versions of jQuery

Improvements
- 453 - Delay report until phantomas event
- 443 - Show units next to metric name in ascii table output
- 442 - Add the file name in analyze-css offenders

Bug fixes
- 472 - Fix `getDomPath` with tab or new line separated class names (by gmetais)
- 470 - Add 'font/opentype' to contentType switch (by william-p)
- 468 - `cachingNotSpecified` reports files with the `Expires` header specified (by unintelligible)
- 457 - waitForSelector: do not report polling DOM queries
- 454 - Illegal character in screenshot filenames under Windows
- 399 - `imagesWithoutDimensions` should take in account CSS dimensions

Internals
- 475 - Update dependencies
- 460 - Core cleanup
- 449 - analyze-css: upgrade to v0.9.0
- 447 - Emit milestone event using core modules.
- 441 - Update npm dependencies

This release of phantomas brings the ability to **analyze inline CSS** styles (397) - simply run phantomas CLI tool with `--analyze-css` option.

New metrics have been added:
- `DOMqueriesWithoutResults` suggesting **which DOM queries can be removed or improved as they return no results** (420)
- port of gmetais nodule that **reports reconnections to fetch additional assets from the same domain - i.e. connection not being kept alive** (400)
- reporting of **small JS and CSS files that can be inlined or concatenated** (398)

To make the code style consistent in the project **[`js-beautify`](https://github.com/beautify-web/js-beautify) has been introduced** (426).

While enjoying the new version of phantomas [take a look at was is planned for the upcoming v1.9](https://github.com/macbre/phantomas/milestones/v1.9) ;)

All changes are listed below.

Changelog

New metrics
- 420 - DOMqueriesWithoutResults
- 400 - `Keep-alive` related metric (by gmetais)
- 398 - Count small JS and CSS files
- 397 - Make `analyze-css` work on embedded styles

Improvements
- 429 - Provide error message when a CSS is empty (by gmetais)
- 419 - Ignore case when counting duplicated `getElementsByTagName()`
- 414 - Report offenders for `DOMelementMaxDepth`

Bug fixes
- 427 - Fixed order of elasticsearch reporter parameters 'type' and 'index' (by hstijns-coolblue)
- 417 - `analyze-css` process not finishing

Internals
- 426 - Introduce js-beautify

This release brings a few new metrics: number of HTML elements with duplicated IDs (392), number of avoidable DOM queries (402) and number of CSS stylesheets `analyze-css` failed to parse (404).

By defaulting `--ssl-protocol` PhantomJS option to "any" **HTTPS pages should load fine using default phantomas settings** (423).

DOM queries module now takes context of the query into consideration (395) when calculating duplicated queries and emitting offenders.

[analyze-css](https://github.com/macbre/analyze-css/releases) has been upgraded to v0.8.0 which brings reporting of duplicated CSS properties and improved redundant selectors metric.

All changes are listed below.

Changelog

New metrics
- 404 - Get a feedback when analyze-css fails to parse a file
- 402 - New metric DOMidAvoidable (396) (by gmetais)
- 392 - Report elements with duplicated ID

Improvements
- 423 - ssl-protocol: use "any" by default (instead of sslv3)
- 412 - Document troubleshooting HTTPS issues
- 395 - Duplicated DOM queries: take context into consideration

Bug fixes
- 422 - Strange radix=0 argument for parseInt (by gmetais)
- 411 - HTTPS pages are not working and throw error
- 409 - SlimerJS: phantomas dies on listing extensions directory
- 382 - Fulfilled promise with error code 1

Internals
- 421 - analyze-css: use v0.8.0
- 408 - npm: upgrade dependencies
- 406 - Upgrade to analyze-css v0.6.0

This release of phantomas brings the detection of images scaled down in HTML (390) and the option to provide interval at which page's screenshots are taken (174).

Internally, unit tests were greatly improved. Modules that do not emit any metric, but modify the behaviour of phantomas, were moved to `/extensions` directory. They will always be loaded, even when an arbitrary list of modules is provided via `--modules` option.

Last, but not least - [YellowLabTools - online web performance testing tool](https://github.com/gmetais/YellowLabTools) (based on phantomas) has been released recently. Try it out!

All changes, as usual, are listed below.

Enjoy!

Changelog

New metrics
- 390 - Detect images scaled down in HTML

Improvements
- 174 - Allow to set --film-strip interval

Bug fixes
- 363 - Statsd integration to use gauges
- 383 - DOMelementsCount is smaller than it should

Internals
- 138 - Improve phantomas tests
- 375 - Move modules that do not emit metrics to /extensions

This version of phantomas brings the support for YAML-formatted config files and some improvements in DOM timing related metrics (please note that **metric names have changed** to match [Navigation timing spec](https://developer.mozilla.org/en-US/docs/Navigation_timing)).

`--scroll` option has been added to improve testing of lazy-loaded features - see 352 for details.

All changes, as usual, are listed below.

Enjoy!

Changelog

New metrics
- 344 - Measure document height
- 360 - windowPerformance: improve DOM timing metrics

Improvements
- 339 - Support for YAML formatted config file
- 352 - Allow page to be scrolled after it is loaded
- 364 - Add support for ssl-protocol specification in engines (by rsnickell)

Bug fixes
- 350 - Ignore DOM inserts to DocumentFragments
- 366 - Multiple runs do not support HTTP 50x errors
- 374 - Some kinds of DOMqueries are ignored

Internals
- 354 - Support UNIX socket as IPC channel

This version of phantomas brings **the experimental integration with [SlimerJS](http://slimerjs.org/)**.- not yet fully headless browser that runs on **Gecko engine**. Try it yourself by running phantomas with `--engine=gecko` option and remember to install all required dependencies:


sudo aptitude install xvfb libasound2 libgtk2.0-0


The introduction of secondary "rendering" engine allows phantomas to use the latest browser APIs like [mutation observers](https://developer.mozilla.org/en-US/docs/Web/API/MutationObserver) (87) and detect embedded vidoes (325).

Handling of config files has been moved to NodeJS runner, so the JSON formatted config file can now define the results renderer - 209.

Changelog

New metrics
- 87 - Use mutation observers to measure number of HTML changes
- 325 - Detect embedded videos

Improvements
- 209 - Move handling of config file to NodeJS runner
- 313 - Support for running phantomas in SlimerJS
- 342 - Add --colors to force ANSI colors when using less
- 346 - Support --engine option

Bug fixes
- 348 - Memory leak warning in events exposed by phantomas CommonJS module

Internals
- 347 - fast-stats: make it work in SlimerJS