diff --git a/README.md b/README.md
index 7d4cb15d..3ca5e1ad 100644
--- a/README.md
+++ b/README.md
@@ -61,7 +61,7 @@ new BundleAnalyzerPlugin(options?: object)
 |**`analyzerPort`**|`{Number}` or `auto`|Default: `8888`. Port that will be used in `server` mode to start HTTP server.|
 |**`reportFilename`**|`{String}`|Default: `report.html`. Path to bundle report file that will be generated in `static` mode. It can be either an absolute path or a path relative to a bundle output directory (which is output.path in webpack config).|
 |**`reportTitle`**|`{String\|function}`|Default: function that returns pretty printed current date and time. Content of the HTML `title` element; or a function of the form `() => string` that provides the content.|
-|**`defaultSizes`**|One of: `stat`, `parsed`, `compressed`|Default: `parsed`. Module sizes to show in report by default. [Size definitions](#size-definitions) section describes what these values mean.|
+|**`defaultSizes`**|One of: `stat`, `parsed`, `gzip`, `brotli`|Default: `parsed`. Module sizes to show in report by default. [Size definitions](#size-definitions) section describes what these values mean.|
 |**`compressionAlgorithm`**|One of: `gzip`, `brotli`|Default: `gzip`. Compression type used to calculate the compressed module sizes.|
 |**`openAnalyzer`**|`{Boolean}`|Default: `true`. Automatically open report in default browser.|
 |**`generateStatsFile`**|`{Boolean}`|Default: `false`. If `true`, webpack stats JSON file will be generated in bundle output directory|
@@ -122,7 +122,7 @@ Directory containing all generated bundles.
   -r, --report <file>             Path to bundle report file that will be generated in `static` mode. (default: report.html)
   -t, --title <title>             String to use in title element of html report. (default: pretty printed current date)
   -s, --default-sizes <type>      Module sizes to show in treemap by default.
-                                  Possible values: stat, parsed, compressed (default: parsed)
+                                  Possible values: stat, parsed, gzip, brotli (default: parsed)
   --compression-algorithm <type>  Compression algorithm that will be used to calculate the compressed module sizes.
                                   Possible values: gzip, brotli (default: gzip)
   -O, --no-open                   Don't open report in default browser automatically.
@@ -150,9 +150,13 @@ It is called "stat size" because it's obtained from Webpack's
 This is the "output" size of your files. If you're using a Webpack plugin such
 as Uglify, then this value will reflect the minified size of your code.
 
-### `compressed`
+### `gzip`
 
-This is the size of running the parsed bundles/modules through compression.
+This is the size of running the parsed bundles/modules through gzip compression.
+
+### `brotli`
+
+This is the size of running the parsed bundles/modules through Brotli compression.
 
 <h2 align="center">Selecting Which Chunks to Display</h2>
 
@@ -172,7 +176,7 @@ The Chunk Context Menu can be opened by right-clicking or `Ctrl`-clicking on a s
 
 <h2 align="center">Troubleshooting</h2>
 
-### I don't see `compressed` or `parsed` sizes, it only shows `stat` size
+### I don't see `gzip` or `parsed` sizes, it only shows `stat` size
 
 It happens when `webpack-bundle-analyzer` analyzes files that don't actually exist in your file system, for example when you work with `webpack-dev-server` that keeps all the files in RAM. If you use `webpack-bundle-analyzer` as a plugin you won't get any errors, however if you run it via CLI you get the error message in terminal:
 ```
diff --git a/src/bin/analyzer.js b/src/bin/analyzer.js
index 590d2f9f..814615c1 100755
--- a/src/bin/analyzer.js
+++ b/src/bin/analyzer.js
@@ -10,8 +10,7 @@ const viewer = require('../viewer');
 const Logger = require('../Logger');
 const utils = require('../utils');
 
-const SIZES = new Set(['stat', 'parsed', 'compressed']);
-const ACCEPTED_SIZES = new Set([...SIZES, 'gzip']);
+const SIZES = new Set(['stat', 'parsed', 'gzip', 'brotli']);
 
 const ALGORITHMS = new Set(['gzip', 'brotli']);
 
@@ -114,7 +113,7 @@ if (mode === 'server') {
   port = port === 'auto' ? 0 : Number(port);
   if (isNaN(port)) showHelp('Invalid port. Should be a number or `auto`');
 }
-if (!ACCEPTED_SIZES.has(defaultSizes)) {
+if (!SIZES.has(defaultSizes)) {
   showHelp(`Invalid default sizes option. Possible values are: ${[...SIZES].join(', ')}`);
 }
 if (!ALGORITHMS.has(compressionAlgorithm)) {
diff --git a/src/viewer.js b/src/viewer.js
index 6bf0abf1..01b79140 100644
--- a/src/viewer.js
+++ b/src/viewer.js
@@ -22,8 +22,9 @@ function resolveTitle(reportTitle) {
   }
 }
 
-function resolveDefaultSizes(defaultSizes) {
-  return defaultSizes === 'compressed' ? 'gzip' : defaultSizes;
+function resolveDefaultSizes(defaultSizes, compressionAlgorithm) {
+  if (['gzip', 'brotli'].includes(defaultSizes)) return compressionAlgorithm;
+  return defaultSizes;
 }
 
 module.exports = {
@@ -64,7 +65,7 @@ async function startServer(bundleStats, opts) {
         mode: 'server',
         title: resolveTitle(reportTitle),
         chartData,
-        defaultSizes: resolveDefaultSizes(defaultSizes),
+        defaultSizes: resolveDefaultSizes(defaultSizes, compressionAlgorithm),
         compressionAlgorithm,
         enableWebSocket: true
       });
@@ -147,7 +148,7 @@ async function generateReport(bundleStats, opts) {
     mode: 'static',
     title: resolveTitle(reportTitle),
     chartData,
-    defaultSizes: resolveDefaultSizes(defaultSizes),
+    defaultSizes: resolveDefaultSizes(defaultSizes, compressionAlgorithm),
     compressionAlgorithm,
     enableWebSocket: false
   });