diff --git a/.github/FUNDING.yml b/.github/FUNDING.yml
new file mode 100644
index 0000000..6783d2e
--- /dev/null
+++ b/.github/FUNDING.yml
@@ -0,0 +1,9 @@
+# FUNDING.yml - GitHub sponsor button configuration
+# Copyright (C) 2019 Kaz Nishimura
+#
+# Copying and distribution of this file, with or without modification, are
+# permitted in any medium without royalty provided the copyright notice and
+# this notice are preserved. This file is offered as-is, without any warranty.
+---
+custom:
+  - https://salt.bountysource.com/checkout/amount?team=vx68k
diff --git a/.vscode/settings.json b/.vscode/settings.json
index e10fcf4..95b5622 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -1,7 +1,7 @@
 {
-        "files.exclude": {
-            "**/*.rej": true,
-            "**/*.orig": true,
-            "**/*~": true
-        }
+    "files.exclude": {
+        "**/*.rej": true,
+        "**/*.orig": true,
+        "**/*~": true
     }
+}
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
new file mode 100644
index 0000000..df06b33
--- /dev/null
+++ b/CONTRIBUTING.md
@@ -0,0 +1,23 @@
+This file documents the current guidelines for contributing.
+
+# Conventions
+
+The key words “MUST”, “MUST NOT”, “REQUIRED”, “SHALL”, “SHALL NOT”, “SHOULD”,
+“SHOULD NOT”, “RECOMMENDED”, “MAY”, and “OPTIONAL” in this document are to be
+interpreted as described in [BCP 14][] when, and only when, they appear in all
+capitals, as shown here.
+
+[BCP 14]: https://tools.ietf.org/html/bcp14
+
+# Pull request guidelines
+
+## File encoding
+
+Unless mandated by the media type, a file SHOULD be encoded either in `UTF-8`
+(preferred) or in `US-ASCII`, and if it would be in `UTF-8`, it MUST NOT
+contain any BOM (U+FEFF).
+
+## End-of-line convention
+
+Unless mandated by the media type, each line of a file SHOULD end with a single
+LF (U+000A).
diff --git a/README.md b/README.md
index 8c7cc1f..068d3d1 100644
--- a/README.md
+++ b/README.md
@@ -2,8 +2,8 @@ This file documents the `redirect.js` script.
 
 # Description
 
-The `redirect.js` script redirects modern web browsers to another location
-without any server configuration.
+The `redirect.js` script redirects web browsers to another location *without
+any server configuration*.
 It is *not a script for Node.js* but for web browsers.
 
 [![(License)](https://img.shields.io/badge/license-MIT-blue.svg)][MIT]
diff --git a/azure-pipelines.yml b/azure-pipelines.yml
new file mode 100644
index 0000000..e4ba6c2
--- /dev/null
+++ b/azure-pipelines.yml
@@ -0,0 +1,39 @@
+# azure-pipelines.yml - configuration for Azure Pipelines
+# Copyright (C) 2020 Kaz Nishimura
+#
+# Copying and distribution of this file, with or without modification, are
+# permitted in any medium without royalty provided the copyright notice and
+# this notice are preserved.  This file is offered as-is, without any warranty.
+---
+trigger:
+  - master
+  - release/*
+  - feature/*
+stages:
+  - stage: Default
+    jobs:
+      - job: Build
+        pool:
+          vmImage: ubuntu-latest
+        steps:
+          - task: NodeTool@0
+          - bash: |
+              npm test
+            displayName: Test
+          - task: PublishTestResults@2
+            condition: succeededOrFailed()
+  - stage: Release
+    dependsOn: Default
+    condition:
+      and(succeeded(),
+        startsWith(variables['Build.SourceBranch'], 'refs/heads/release/'))
+    jobs:
+      - job: Upload
+        pool:
+          vmImage: ubuntu-latest
+        steps:
+          - task: NodeTool@0
+          - task: Npm@1
+            inputs:
+              command: publish
+              publishEndpoint: npmjs
diff --git a/bitbucket-pipelines.yml b/bitbucket-pipelines.yml
index a6424ca..a0032c3 100644
--- a/bitbucket-pipelines.yml
+++ b/bitbucket-pipelines.yml
@@ -12,13 +12,31 @@ definitions:
   steps:
     - step: &test
         name: Test
+        image: node:8
         caches:
           - node
         script:
+          - npm config set unsafe-perm true
           - npm install
           - npm test
-image: node:8
+    - step: &package
+        name: Packaging
+        image: node:8
+        caches:
+          - node
+        script:
+          - npm config set unsafe-perm true
+          - npm install
+          - npm pack
+        artifacts:
+          - "*.tgz"
 pipelines:
   branches:
-    default:
+    master:
+      - step: *test
+    deployment/test:
+      - step:
+          <<: *package
+  pull-requests:
+    "**":
       - step: *test
diff --git a/prepack.sh b/etc/prepack.sh
similarity index 100%
rename from prepack.sh
rename to etc/prepack.sh
diff --git a/package.json b/package.json
index 826990a..3932177 100644
--- a/package.json
+++ b/package.json
@@ -1,19 +1,29 @@
 {
     "name": "@kazssym/redirect",
-    "version": "1.0.0-beta.1",
+    "version": "1.0.0-beta.4",
+    "description": "Module script to redirect web browsers to another location without any server configuration.",
+    "keywords": [
+        "browser",
+        "es2015",
+        "module"
+    ],
     "homepage": "https://vx68k.bitbucket.io/redirect.js/",
     "license": "MIT",
+    "author": {
+        "name": "Kaz Nishimura",
+        "email": "kazssym@linuxfront.com"
+    },
     "files": [
-        "prepack.sh",
+        "etc/*",
         "**/*.js"
     ],
     "browser": {},
     "repository": {
-        "type": "hg",
-        "url": "https://bitbucket.org/vx68k/redirect.js"
+        "type": "git",
+        "url": "https://github.com/vx68k/redirect.js.git"
     },
     "scripts": {
-        "prepack": "sh ./prepack.sh"
+        "prepack": "sh ./etc/prepack.sh"
     },
     "devDependencies": {
         "terser": "~4"
diff --git a/redirect.js b/redirect.js
index c90028b..58655ef 100644
--- a/redirect.js
+++ b/redirect.js
@@ -1,4 +1,4 @@
-// redirect.js - browser script to redirect the browser to a new location
+// redirect.js - module script to redirect web browsers to another location
 // Copyright (C) 2019 Kaz Nishimura
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
@@ -24,7 +24,7 @@
 // NOTE: this file is a module script.
 
 /**
- * Browser script to redirect the browser to a new location.
+ * Module script to redirect web browsers to another location.
  *
  * This script can be loaded in a *redirecting* HTML file as follows:
  *
@@ -50,6 +50,31 @@
   */
  const PACKAGE_VERSION = "@PACKAGE_VERSION@";
 
+ /**
+  * Module name.
+  *
+  * @private
+  */
+ const MODULE_NAME = "redirect.js";
+
+/**
+ * Returns the canonical link of the document.
+ *
+ * @return {HTMLLinkElement} the canonical link
+ */
+export function getCanonicalLink()
+{
+    let root = document.documentElement;
+    for (let link of root.getElementsByTagName("link")) {
+        for (let type of link.relList) {
+            if (type.toLowerCase() == "canonical") {
+                return link;
+            }
+        }
+    }
+    return null;
+}
+
 /**
  * Redirects the browser to the location specified by the `data-new-location`
  * attribute of the root element or the `canonical` link of the document,
@@ -66,13 +91,9 @@ export function run()
         newLocation = root.dataset.newLocation;
     }
     if (newLocation == null) {
-        for (let link of root.getElementsByTagName("link")) {
-            for (let type of link.relList) {
-                if (type.toLowerCase() == "canonical") {
-                    newLocation = link.href;
-                    break;
-                }
-            }
+        let link = getCanonicalLink();
+        if (link != null) {
+            newLocation = link.href;
         }
     }
 
@@ -82,6 +103,5 @@ export function run()
     }
 }
 
-console.info("Loaded: %s (%s %s)", "redirect.js",
-    PACKAGE_NAME, PACKAGE_VERSION);
+console.info("Loaded: %s (%s %s)", MODULE_NAME, PACKAGE_NAME, PACKAGE_VERSION);
 run();
diff --git a/upload.sh b/upload.sh
new file mode 100755
index 0000000..a140d52
--- /dev/null
+++ b/upload.sh
@@ -0,0 +1,20 @@
+#!/bin/sh
+# upload.sh - file uploader for Bitbucket Cloud
+# Copyright (C) 2018 Kaz Nishimura
+#
+# Copying and distribution of this file, with or without modification, are
+# permitted in any medium without royalty provided the copyright notice and
+# this notice are preserved.  This file is offered as-is, without any warranty.
+
+REPOSITORY=vx68k/netbeans-bitbucket-plugin
+
+test -n "$USERNAME" || exit 0
+
+for file in "$@"; do
+    FILES="$FILES --form files=@\"$file\""
+done
+test -n "$FILES" || exit 1
+
+exec curl --silent --show-error --user "$USERNAME${PASSWORD+:$PASSWORD}" \
+    --request POST $FILES \
+    https://api.bitbucket.org/2.0/repositories/$REPOSITORY/downloads