## [1.9.1](https://github.com/JamieMason/image-optimisation-tools-comparison/compare/1.9.0...1.9.1) (2019-02-17)

### Bug Fixes

- **npm:** add missing /data directory from package
  ([873c8be](https://github.com/JamieMason/image-optimisation-tools-comparison/commit/873c8be))

# [1.9.0](https://github.com/JamieMason/image-optimisation-tools-comparison/compare/0.20.0...1.9.0) (2019-02-17)

### Features

- **codekit:** retest using codekit 3.7.4
  ([38a6741](https://github.com/JamieMason/image-optimisation-tools-comparison/commit/38a6741))
- **core:** migrate to typescript
  ([f6fe8de](https://github.com/JamieMason/image-optimisation-tools-comparison/commit/f6fe8de))
- **image_optim:** retest image_optim 0.26.3, image_optim_pack 0.5.1.20190105
  ([721d3b7](https://github.com/JamieMason/image-optimisation-tools-comparison/commit/721d3b7))
- **imagealpha-imageoptim:** retest using imagealpha 1.5.1 & imageoptim 1.8.8
  ([9065442](https://github.com/JamieMason/image-optimisation-tools-comparison/commit/9065442))
- **imagemin:** retest using imagemin-cli 4.0.0
  ([e0de098](https://github.com/JamieMason/image-optimisation-tools-comparison/commit/e0de098))
- **imageoptim:** retest using imageoptim 1.8.8
  ([aa8d877](https://github.com/JamieMason/image-optimisation-tools-comparison/commit/aa8d877))
- **jpegmini-imageoptim:** retest using jpegmini 2.2.3 & imageoptim 1.8.8
  ([65240e6](https://github.com/JamieMason/image-optimisation-tools-comparison/commit/65240e6))
- **kraken:** retest using kraken web interface
  ([29fe51a](https://github.com/JamieMason/image-optimisation-tools-comparison/commit/29fe51a))
- **results:** generate comparison data
  ([b26d187](https://github.com/JamieMason/image-optimisation-tools-comparison/commit/b26d187))
- **results:** generate comparison data
  ([a59decf](https://github.com/JamieMason/image-optimisation-tools-comparison/commit/a59decf))

### BREAKING CHANGES

- **core:** The shape of results.json has changed in this release.

# [0.20.0](https://github.com/JamieMason/image-optimisation-tools-comparison/compare/0.13.0...0.20.0) (2017-07-09)

### Features

- **codekit:** retest using codekit 3.2
  ([f0a5707](https://github.com/JamieMason/image-optimisation-tools-comparison/commit/f0a5707))
- **image_optim:** retest using image_optim 0.25.0
  ([9ec10e6](https://github.com/JamieMason/image-optimisation-tools-comparison/commit/9ec10e6))
- **imagealpha-imageoptim:** retest using pngquant 2.9.1 & imageoptim 1.7.0
  ([fd0808e](https://github.com/JamieMason/image-optimisation-tools-comparison/commit/fd0808e))
- **imagemin:** retest using grunt-contrib-imagemin 2.0.1
  ([d14d3d6](https://github.com/JamieMason/image-optimisation-tools-comparison/commit/d14d3d6))
- **imageoptim:** retest using imageoptim 1.7.0
  ([2dd0d0d](https://github.com/JamieMason/image-optimisation-tools-comparison/commit/2dd0d0d))
- **jpegmini-imageoptim:** retest using jpegmini 1.9.9 & imageoptim 1.7.0
  ([65ca00b](https://github.com/JamieMason/image-optimisation-tools-comparison/commit/65ca00b))
- **results:** generate comparison data
  ([29fa8f9](https://github.com/JamieMason/image-optimisation-tools-comparison/commit/29fa8f9))

# [0.13.0](https://github.com/JamieMason/image-optimisation-tools-comparison/compare/0.11.0...0.13.0) (2016-01-03)

### Features

- **codekit:** retest using codekit 2.6.1
  ([f187488](https://github.com/JamieMason/image-optimisation-tools-comparison/commit/f187488))
- **imagealpha-imageoptim:** retest using pngquant 2.5.2 & imageoptim 1.6.1
  ([b334ab5](https://github.com/JamieMason/image-optimisation-tools-comparison/commit/b334ab5))
- **kraken:** retest using kraken web interface
  ([b0d4b8c](https://github.com/JamieMason/image-optimisation-tools-comparison/commit/b0d4b8c))
- **results:** generate comparison data
  ([7a620f4](https://github.com/JamieMason/image-optimisation-tools-comparison/commit/7a620f4))

# [0.11.0](https://github.com/JamieMason/image-optimisation-tools-comparison/compare/0.10.0...0.11.0) (2016-01-03)

### Features

- **results:** penalise quality loss more in score formula
  ([5c76862](https://github.com/JamieMason/image-optimisation-tools-comparison/commit/5c76862))

# [0.10.0](https://github.com/JamieMason/image-optimisation-tools-comparison/compare/0.8.4...0.10.0) (2016-01-01)

### Features

- **results:** add a score based on balance of savings and loss
  ([765545b](https://github.com/JamieMason/image-optimisation-tools-comparison/commit/765545b))
- **results:** benchmark grunt-contrib-imagemin 1.0.0
  ([7126aa5](https://github.com/JamieMason/image-optimisation-tools-comparison/commit/7126aa5))
- **results:** create new dataset using SSIM
  ([938fd5f](https://github.com/JamieMason/image-optimisation-tools-comparison/commit/938fd5f))

### BREAKING CHANGES

- **results:** new schema for results, and other indexes have been removed

## [0.8.4](https://github.com/JamieMason/image-optimisation-tools-comparison/compare/0.8.3...0.8.4) (2015-12-23)

### Bug Fixes

- **results:** remove duplicates from results.json
  ([8b96fc8](https://github.com/JamieMason/image-optimisation-tools-comparison/commit/8b96fc8))

## [0.8.3](https://github.com/JamieMason/image-optimisation-tools-comparison/compare/0.7.3...0.8.3) (2015-10-15)

### Features

- **results:** provide array of all results for each image
  ([e18df3d](https://github.com/JamieMason/image-optimisation-tools-comparison/commit/e18df3d))

## [0.7.3](https://github.com/JamieMason/image-optimisation-tools-comparison/compare/0.7.1...0.7.3) (2015-10-13)

### Bug Fixes

- **dependencies:** public package has no external dependencies
  ([5fa26e3](https://github.com/JamieMason/image-optimisation-tools-comparison/commit/5fa26e3))

### Performance Improvements

- **npm:** image inspection lib is not needed in npm package
  ([5937e92](https://github.com/JamieMason/image-optimisation-tools-comparison/commit/5937e92))

## [0.7.1](https://github.com/JamieMason/image-optimisation-tools-comparison/compare/0.7.0...0.7.1) (2015-10-07)

### Performance Improvements

- **npm:** only share results data on npm, exclude images
  ([7f7a123](https://github.com/JamieMason/image-optimisation-tools-comparison/commit/7f7a123))

# [0.7.0](https://github.com/JamieMason/image-optimisation-tools-comparison/compare/4c81ba7...0.7.0) (2015-10-06)

### Features

- **images:** add initial test images
  ([4c81ba7](https://github.com/JamieMason/image-optimisation-tools-comparison/commit/4c81ba7))
- **results:** benchmark grunt-contrib-imagemin 0.9.4
  ([8a1c29f](https://github.com/JamieMason/image-optimisation-tools-comparison/commit/8a1c29f))
- **results:** benchmark image_optim by [@toy](https://github.com/toy)
  ([dfade91](https://github.com/JamieMason/image-optimisation-tools-comparison/commit/dfade91))
- **results:** benchmark imageoptim 1.6.0
  ([870f82d](https://github.com/JamieMason/image-optimisation-tools-comparison/commit/870f82d))
- **results:** benchmark imageoptim 1.6.0 + jpegmini 1.9.1
  ([3a14362](https://github.com/JamieMason/image-optimisation-tools-comparison/commit/3a14362))
- **results:** benchmark imageoptim 1.6.0 + pngquant 2.3.1
  ([76b335e](https://github.com/JamieMason/image-optimisation-tools-comparison/commit/76b335e))
- **results:** generate comparison data
  ([aab8b97](https://github.com/JamieMason/image-optimisation-tools-comparison/commit/aab8b97))
