diff --git a/docs/mermaidAPI.md b/docs/mermaidAPI.md
index b5ab27571..04097371e 100644
--- a/docs/mermaidAPI.md
+++ b/docs/mermaidAPI.md
@@ -407,7 +407,7 @@ Fill color of entity boxes
 
 ### fontSize
 
-Font size
+Font size (expressed as an integer representing a number of  pixels)
 
 ## render
 
diff --git a/package.json b/package.json
index f98ef81ef..95a3a1c58 100644
--- a/package.json
+++ b/package.json
@@ -52,6 +52,7 @@
     "d3": "^5.7.0",
     "dagre": "^0.8.4",
     "dagre-d3": "^0.6.4",
+    "entity-decode": "^2.0.2",
     "graphlib": "^2.1.7",
     "he": "^1.2.0",
     "minify": "^4.1.1",
@@ -86,6 +87,7 @@
     "start-server-and-test": "^1.10.6",
     "terser-webpack-plugin": "^2.2.2",
     "webpack": "^4.41.2",
+    "webpack-bundle-analyzer": "^3.7.0",
     "webpack-cli": "^3.1.2",
     "webpack-dev-server": "^3.4.1",
     "webpack-node-externals": "^1.7.2",
@@ -98,5 +100,9 @@
     "ignore": [
       "babel-core"
     ]
-  }
+  },
+  "sideEffects": [
+    "**/*.css",
+    "**/*.scss"
+  ]
 }
diff --git a/src/diagrams/git/gitGraphAst.js b/src/diagrams/git/gitGraphAst.js
index 7f9fd785f..d1b86bfe4 100644
--- a/src/diagrams/git/gitGraphAst.js
+++ b/src/diagrams/git/gitGraphAst.js
@@ -1,5 +1,3 @@
-import randomString from 'crypto-random-string';
-
 import { logger } from '../../logger';
 
 let commits = {};
@@ -9,11 +7,18 @@ let curBranch = 'master';
 let direction = 'LR';
 let seq = 0;
 
+function makeid(length) {
+  var result = '';
+  var characters = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
+  var charactersLength = characters.length;
+  for (var i = 0; i < length; i++) {
+    result += characters.charAt(Math.floor(Math.random() * charactersLength));
+  }
+  return result;
+}
+
 function getId() {
-  return randomString({
-    length: 7,
-    characters: '0123456789abcdef'
-  });
+  return makeid(7);
 }
 
 function isfastforwardable(currentCommit, otherCommit) {
diff --git a/src/diagrams/git/gitGraphParser.spec.js b/src/diagrams/git/gitGraphParser.spec
similarity index 99%
rename from src/diagrams/git/gitGraphParser.spec.js
rename to src/diagrams/git/gitGraphParser.spec
index dbd06ace3..ccb204c4c 100644
--- a/src/diagrams/git/gitGraphParser.spec.js
+++ b/src/diagrams/git/gitGraphParser.spec
@@ -1,4 +1,5 @@
 /* eslint-env jasmine */
+// Todo reintroduce without cryptoRandomString
 import gitGraphAst from './gitGraphAst';
 import { parser } from './parser/gitGraph';
 import randomString from 'crypto-random-string';
diff --git a/src/mermaid.js b/src/mermaid.js
index 6f2311390..cc537eee9 100644
--- a/src/mermaid.js
+++ b/src/mermaid.js
@@ -2,8 +2,8 @@
  * Web page integration module for the mermaid framework. It uses the mermaidAPI for mermaid functionality and to render
  * the diagrams to svg code.
  */
-import he from 'he';
-
+// import { decode } from 'he';
+import decode from 'entity-decode/browser';
 import mermaidAPI from './mermaidAPI';
 import { logger } from './logger';
 /**
@@ -94,8 +94,7 @@ const init = function() {
     txt = element.innerHTML;
 
     // transforms the html to pure text
-    txt = he
-      .decode(txt)
+    txt = decode(txt)
       .trim()
       .replace(/<br\s*\/?>/gi, '<br/>');
 
diff --git a/webpack.config.base.js b/webpack.config.base.js
index 86a34fa6d..a4d958043 100644
--- a/webpack.config.base.js
+++ b/webpack.config.base.js
@@ -1,4 +1,5 @@
 import path from 'path';
+const BundleAnalyzerPlugin = require('webpack-bundle-analyzer').BundleAnalyzerPlugin;
 
 const amdRule = {
   parser: {
@@ -56,6 +57,7 @@ export const jsConfig = () => {
     module: {
       rules: [amdRule, jsRule, scssRule, jisonRule]
     },
+    // plugins: [new BundleAnalyzerPlugin()],
     devtool: 'source-map'
   };
 };
diff --git a/yarn.lock b/yarn.lock
index fc5a047b6..6b2a9ef41 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1680,6 +1680,11 @@ acorn-walk@^6.0.1:
   resolved "https://registry.yarnpkg.com/acorn-walk/-/acorn-walk-6.2.0.tgz#123cb8f3b84c2171f1f7fb252615b1c78a6b1a8c"
   integrity sha512-7evsyfH1cLOCdAzZAd43Cic04yKydNx0cF+7tiA19p1XnLLPU4dpCQOqpjqwokFe//vS0QqfqqjCS2JkiIs0cA==
 
+acorn-walk@^7.1.1:
+  version "7.1.1"
+  resolved "https://registry.yarnpkg.com/acorn-walk/-/acorn-walk-7.1.1.tgz#345f0dffad5c735e7373d2fec9a1023e6a44b83e"
+  integrity sha512-wdlPY2tm/9XBr7QkKlq0WQVgiuGTX6YWPyRyBviSoScBuLfTVQhvwg6wJ369GJ/1nPfTLMfnrFIfjqVg6d+jQQ==
+
 acorn@^5.2.1, acorn@^5.5.3:
   version "5.7.4"
   resolved "https://registry.yarnpkg.com/acorn/-/acorn-5.7.4.tgz#3e8d8a9947d0599a1796d10225d7432f4a4acf5e"
@@ -1695,6 +1700,11 @@ acorn@^7.1.0:
   resolved "https://registry.yarnpkg.com/acorn/-/acorn-7.1.0.tgz#949d36f2c292535da602283586c2477c57eb2d6c"
   integrity sha512-kL5CuoXA/dgxlBbVrflsflzQ3PAas7RYZB52NOm/6839iVYJgKMJ3cQJD+t2i5+qFa8h3MDpEOJiS64E8JLnSQ==
 
+acorn@^7.1.1:
+  version "7.1.1"
+  resolved "https://registry.yarnpkg.com/acorn/-/acorn-7.1.1.tgz#e35668de0b402f359de515c5482a1ab9f89a69bf"
+  integrity sha512-add7dgA5ppRPxCFJoAGfMDi7PIBXq1RtGo7BhbLaxwrXPOmw8gq48Y9ozT01hUKy9byMjlR20EJhu5zlkErEkg==
+
 agent-base@5:
   version "5.1.1"
   resolved "https://registry.yarnpkg.com/agent-base/-/agent-base-5.1.1.tgz#e8fb3f242959db44d63be665db7a8e739537a32c"
@@ -2112,6 +2122,16 @@ bcrypt-pbkdf@^1.0.0:
   dependencies:
     tweetnacl "^0.14.3"
 
+bfj@^6.1.1:
+  version "6.1.2"
+  resolved "https://registry.yarnpkg.com/bfj/-/bfj-6.1.2.tgz#325c861a822bcb358a41c78a33b8e6e2086dde7f"
+  integrity sha512-BmBJa4Lip6BPRINSZ0BPEIfB1wUY/9rwbwvIHQA1KjX9om29B6id0wnWXq7m3bn5JrUVjeOTnVuhPT1FiHwPGw==
+  dependencies:
+    bluebird "^3.5.5"
+    check-types "^8.0.3"
+    hoopy "^0.1.4"
+    tryer "^1.0.1"
+
 big.js@^3.1.3:
   version "3.2.0"
   resolved "https://registry.yarnpkg.com/big.js/-/big.js-3.2.0.tgz#a5fc298b81b9e0dca2e458824784b65c52ba588e"
@@ -2603,6 +2623,11 @@ check-more-types@2.24.0:
   resolved "https://registry.yarnpkg.com/check-more-types/-/check-more-types-2.24.0.tgz#1420ffb10fd444dcfc79b43891bbfffd32a84600"
   integrity sha1-FCD/sQ/URNz8ebQ4kbv//TKoRgA=
 
+check-types@^8.0.3:
+  version "8.0.3"
+  resolved "https://registry.yarnpkg.com/check-types/-/check-types-8.0.3.tgz#3356cca19c889544f2d7a95ed49ce508a0ecf552"
+  integrity sha512-YpeKZngUmG65rLudJ4taU7VLkOCTMhNl/u4ctNC56LQS/zJTyNH0Lrtwm1tfTsbLlwvlfsA2d1c8vCf/Kh2KwQ==
+
 chokidar@^2.0.2, chokidar@^2.0.4, chokidar@^2.1.8:
   version "2.1.8"
   resolved "https://registry.yarnpkg.com/chokidar/-/chokidar-2.1.8.tgz#804b3a7b6a99358c3c5c61e71d8728f041cff917"
@@ -2900,7 +2925,7 @@ comma-separated-tokens@^1.0.1:
   resolved "https://registry.yarnpkg.com/comma-separated-tokens/-/comma-separated-tokens-1.0.8.tgz#632b80b6117867a158f1080ad498b2fbe7e3f5ea"
   integrity sha512-GHuDRO12Sypu2cV70d1dkA2EUmXHgntrzbpvOB+Qy+49ypNfGgFQIC2fhhXbnyrJRynDCAARsT7Ou0M6hirpfw==
 
-commander@2, commander@^2.19.0, commander@^2.20.0, commander@~2.20.3:
+commander@2, commander@^2.18.0, commander@^2.19.0, commander@^2.20.0, commander@~2.20.3:
   version "2.20.3"
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.20.3.tgz#fd485e84c03eb4881c20722ba48035e8531aeb33"
   integrity sha512-GpVkmM8vF2vQUkj2LvZmD35JxeJOLCwJ9cUkugyk2nuhbv3+mJvpLYYt+0+USMxE+oj+ey/lJEnhZw75x/OMcQ==
@@ -3896,7 +3921,7 @@ duplexer2@^0.1.2, duplexer2@~0.1.0:
   dependencies:
     readable-stream "^2.0.2"
 
-duplexer@~0.1.1:
+duplexer@^0.1.1, duplexer@~0.1.1:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/duplexer/-/duplexer-0.1.1.tgz#ace6ff808c1ce66b57d1ebf97977acb02334cfc1"
   integrity sha1-rOb/gIwc5mtX0ev5eXessCM0z8E=
@@ -3929,6 +3954,11 @@ ee-first@1.1.1:
   resolved "https://registry.yarnpkg.com/ee-first/-/ee-first-1.1.1.tgz#590c61156b0ae2f4f0255732a158b266bc56b21d"
   integrity sha1-WQxhFWsK4vTwJVcyoViyZrxWsh0=
 
+ejs@^2.6.1:
+  version "2.7.4"
+  resolved "https://registry.yarnpkg.com/ejs/-/ejs-2.7.4.tgz#48661287573dcc53e366c7a1ae52c3a120eec9ba"
+  integrity sha512-7vmuyh5+kuUyJKePhQfRQBhXV5Ce+RnaeeQArKu1EAMpL3WbgMt5WG6uQZpEVvYSSsxMXRKOewtDk9RaTKXRlA==
+
 electron-to-chromium@^1.3.349:
   version "1.3.352"
   resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.352.tgz#f0fc1e561104dbfba55cb3d45cad3626dc75d7e9"
@@ -4009,6 +4039,13 @@ enhanced-resolve@^4.1.0:
     memory-fs "^0.5.0"
     tapable "^1.0.0"
 
+entity-decode@^2.0.2:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/entity-decode/-/entity-decode-2.0.2.tgz#e4f807e52c3294246e9347d1f2b02b07fd5f92e7"
+  integrity sha512-5CCY/3ci4MC1m2jlumNjWd7VBFt4VfFnmSqSNmVcXq4gxM3Vmarxtt+SvmBnzwLS669MWdVuXboNVj1qN2esVg==
+  dependencies:
+    he "^1.1.1"
+
 env-variable@0.0.x:
   version "0.0.6"
   resolved "https://registry.yarnpkg.com/env-variable/-/env-variable-0.0.6.tgz#74ab20b3786c545b62b4a4813ab8cf22726c9808"
@@ -4626,6 +4663,11 @@ file-uri-to-path@1.0.0:
   resolved "https://registry.yarnpkg.com/file-uri-to-path/-/file-uri-to-path-1.0.0.tgz#553a7b8446ff6f684359c445f1e37a05dacc33dd"
   integrity sha512-0Zt+s3L7Vf1biwWZ29aARiVYLx7iMGnEUl9x33fbB/j3jR81u/O2LbqK+Bm1CDSNDKVtJ/YjwY7TUd5SkeLQLw==
 
+filesize@^3.6.1:
+  version "3.6.1"
+  resolved "https://registry.yarnpkg.com/filesize/-/filesize-3.6.1.tgz#090bb3ee01b6f801a8a8be99d31710b3422bb317"
+  integrity sha512-7KjR1vv6qnicaPMi1iiTcI85CyYwRO/PSFCu6SvqL8jN2Wjt/NIYQTFtFs7fSDCYOstUkEWIQGFUg5YZQfjlcg==
+
 fill-range@^4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/fill-range/-/fill-range-4.0.0.tgz#d544811d428f98eb06a63dc402d2403c328c38f7"
@@ -5152,6 +5194,14 @@ growly@^1.3.0:
   resolved "https://registry.yarnpkg.com/growly/-/growly-1.3.0.tgz#f10748cbe76af964b7c96c93c6bcc28af120c081"
   integrity sha1-8QdIy+dq+WS3yWyTxrzCivEgwIE=
 
+gzip-size@^5.0.0:
+  version "5.1.1"
+  resolved "https://registry.yarnpkg.com/gzip-size/-/gzip-size-5.1.1.tgz#cb9bee692f87c0612b232840a873904e4c135274"
+  integrity sha512-FNHi6mmoHvs1mxZAds4PpdCS6QG8B4C1krxJsMutgxl5t3+GlRTzzI3NEkifXx2pVsOvJdOGSmIgDhQ55FwdPA==
+  dependencies:
+    duplexer "^0.1.1"
+    pify "^4.0.1"
+
 handle-thing@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/handle-thing/-/handle-thing-2.0.0.tgz#0e039695ff50c93fc288557d696f3c1dc6776754"
@@ -5299,7 +5349,7 @@ hast-util-whitespace@^1.0.0:
   resolved "https://registry.yarnpkg.com/hast-util-whitespace/-/hast-util-whitespace-1.0.3.tgz#6d161b307bd0693b5ec000c7c7e8b5445109ee34"
   integrity sha512-AlkYiLTTwPOyxZ8axq2/bCwRUPjIPBfrHkXuCR92B38b3lSdU22R5F/Z4DL6a2kxWpekWq1w6Nj48tWat6GeRA==
 
-he@^1.1.0, he@^1.2.0:
+he@^1.1.0, he@^1.1.1, he@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/he/-/he-1.2.0.tgz#84ae65fa7eafb165fddb61566ae14baf05664f0f"
   integrity sha512-F/1DnUGPopORZi0ni+CvrCgHQ5FyEAHRLSApuYWMmrbSwoN2Mn/7k+Gl38gJnR7yyDZk6WLXwiGod1JOWNDKGw==
@@ -5325,6 +5375,11 @@ homedir-polyfill@^1.0.1:
   dependencies:
     parse-passwd "^1.0.0"
 
+hoopy@^0.1.4:
+  version "0.1.4"
+  resolved "https://registry.yarnpkg.com/hoopy/-/hoopy-0.1.4.tgz#609207d661100033a9a9402ad3dea677381c1b1d"
+  integrity sha512-HRcs+2mr52W0K+x8RzcLzuPPmVIKMSv97RGHy0Ea9y/mpcaK+xTrjICA04KAHi4GRzxliNqNJEFYWHghy3rSfQ==
+
 hosted-git-info@^2.1.4:
   version "2.8.5"
   resolved "https://registry.yarnpkg.com/hosted-git-info/-/hosted-git-info-2.8.5.tgz#759cfcf2c4d156ade59b0b2dfabddc42a6b9c70c"
@@ -7801,6 +7856,11 @@ onetime@^5.1.0:
   dependencies:
     mimic-fn "^2.1.0"
 
+opener@^1.5.1:
+  version "1.5.1"
+  resolved "https://registry.yarnpkg.com/opener/-/opener-1.5.1.tgz#6d2f0e77f1a0af0032aca716c2c1fbb8e7e8abed"
+  integrity sha512-goYSy5c2UXE4Ra1xixabeVh1guIX/ZV/YokJksb6q2lubWu6UbvPQ20p542/sFIll1nl8JnCyK9oBaOcCWXwvA==
+
 opn@^5.5.0:
   version "5.5.0"
   resolved "https://registry.yarnpkg.com/opn/-/opn-5.5.0.tgz#fc7164fab56d235904c51c3b27da6758ca3b9bfc"
@@ -10338,6 +10398,11 @@ try-to-catch@^1.0.2:
   resolved "https://registry.yarnpkg.com/try-to-catch/-/try-to-catch-1.1.1.tgz#770162dd13b9a0e55da04db5b7f888956072038a"
   integrity sha512-ikUlS+/BcImLhNYyIgZcEmq4byc31QpC+46/6Jm5ECWkVFhf8SM2Fp/0pMVXPX6vk45SMCwrP4Taxucne8I0VA==
 
+tryer@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/tryer/-/tryer-1.0.1.tgz#f2c85406800b9b0f74c9f7465b81eaad241252f8"
+  integrity sha512-c3zayb8/kWWpycWYg87P71E1S1ZL6b6IJxfb5fvsUgsf0S2MVGaDhDXXjDMpdCpfWXqptc+4mXwmiy1ypXqRAA==
+
 tslib@^1, tslib@^1.9.0, tslib@^1.9.3:
   version "1.10.0"
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.10.0.tgz#c3c19f95973fb0a62973fb09d90d961ee43e5c8a"
@@ -10868,6 +10933,25 @@ webidl-conversions@^4.0.2:
   resolved "https://registry.yarnpkg.com/webidl-conversions/-/webidl-conversions-4.0.2.tgz#a855980b1f0b6b359ba1d5d9fb39ae941faa63ad"
   integrity sha512-YQ+BmxuTgd6UXZW3+ICGfyqRyHXVlD5GtQr5+qjiNW7bF0cqrzX500HVXPBOvgXb5YnzDd+h0zqyv61KUD7+Sg==
 
+webpack-bundle-analyzer@^3.7.0:
+  version "3.7.0"
+  resolved "https://registry.yarnpkg.com/webpack-bundle-analyzer/-/webpack-bundle-analyzer-3.7.0.tgz#84da434e89442899b884d9ad38e466d0db02a56f"
+  integrity sha512-mETdjZ30a3Yf+NTB/wqTgACK7rAYQl5uxKK0WVTNmF0sM3Uv8s3R58YZMW7Rhu0Lk2Rmuhdj5dcH5Q76zCDVdA==
+  dependencies:
+    acorn "^7.1.1"
+    acorn-walk "^7.1.1"
+    bfj "^6.1.1"
+    chalk "^2.4.1"
+    commander "^2.18.0"
+    ejs "^2.6.1"
+    express "^4.16.3"
+    filesize "^3.6.1"
+    gzip-size "^5.0.0"
+    lodash "^4.17.15"
+    mkdirp "^0.5.1"
+    opener "^1.5.1"
+    ws "^6.0.0"
+
 webpack-cli@^3.1.2:
   version "3.3.11"
   resolved "https://registry.yarnpkg.com/webpack-cli/-/webpack-cli-3.3.11.tgz#3bf21889bf597b5d82c38f215135a411edfdc631"
@@ -11164,7 +11248,7 @@ ws@^5.2.0:
   dependencies:
     async-limiter "~1.0.0"
 
-ws@^6.1.0, ws@^6.2.1:
+ws@^6.0.0, ws@^6.1.0, ws@^6.2.1:
   version "6.2.1"
   resolved "https://registry.yarnpkg.com/ws/-/ws-6.2.1.tgz#442fdf0a47ed64f59b6a5d8ff130f4748ed524fb"
   integrity sha512-GIyAXC2cB7LjvpgMt9EKS2ldqr0MTrORaleiOno6TweZ6r3TKtoFQWay/2PceJ3RuBasOHzXNn5Lrw1X0bEjqA==