Discover the metrics and data extracted for each section
Assets
The list of assets generated by the bundler
- webpack ignores assets that match
excludeAssets webpack stats option - bundle-stats ignores assets with
.map and .LICENSE.txt extensions
Data
| Name | Description |
|---|
| Size | The size of the file produced by the bundler |
| Asset type | The bundler asset type: entry, initial, chunk, other |
| File type | The output file type: JS, CSS, IMG, Media, Fonts, HTML, Other |
Metrics
| Name | Description | Change up/down |
|---|
| Bundle Size | The total file size of the assets generated or processed by the bundler | regression/improvement |
| Total size by type | The total file size by file type(ex: CSS, JS, IMG, Media, Fonts, Html, and Other) | regression/improvement |
| Initial JS | The total file size of the JavaScript initial chunks | regression/improvement |
| Initial CSS | The total file size of the CSS initial chunks | regression/improvement |
| Cache Invalidation | The ratio between the total of the changed assets and the total file size(Bundle Size) | neutral |
| Chunks | The total number of chunks generated by the bundler | neutral |
| Assets | Total number of assets generated by the bundler | neutral |
Modules
List of modules bundled by webpack
- webpack ignores modules that match
excludeModuleswebpack stats option - bundle-stats ignores modules that are not bundled into any chunks
Data
| Name | Description |
|---|
| Size | Module file size before any production optimization(ex: terser minification) |
| Source | First/Third party code |
| Chunk | Parent asset chunk |
| File type | Module file type: JS, CSS, Other |
Metrics
| Name | Description | Change up/down |
|---|
| Modules | The total number of bundled modules | neutral |
Duplicate Modules (bundle-stats@3.3.0) | The total number of modules that belong to more than one chunk | regression/improvement \ |
Duplicate Code (bundle-stats@3.3.0) | The percentage of total duplicate module size from the total module size | neutral |
Packages
Data
| Name | Description |
|---|
| Size | The total package's module size before any production optimization(ex: terser minification) |
Metrics
| Name | Description | Change up/down |
|---|
| Packages | The total number of bundled packages | regression/improvement |
| Duplicate Packages | The total number of duplicate packages | regression/improvement |
Resources