diff --git a/src/parsers/installrdf.js b/src/parsers/installrdf.js
index eb5569eb1a0..138dad4547c 100644
--- a/src/parsers/installrdf.js
+++ b/src/parsers/installrdf.js
@@ -20,6 +20,7 @@ export default class InstallRdfParser {
       name: this._getName(),
       type: this._getAddonType(),
       version: this._getVersion(),
+      restartless: this._getIsBootstrapped(),
     });
   }
 
@@ -99,6 +100,11 @@ export default class InstallRdfParser {
     return addonType;
   }
 
+  _getIsBootstrapped() {
+    return this._getNodeValue(
+      this._getTopLevelNodeByTag('em:bootstrap')) === 'true';
+  }
+
   _getGUID() {
     // Install.rdf only.
     var guid = this._getNodeValue(this._getTopLevelNodeByTag('em:id'));
diff --git a/src/parsers/manifestjson.js b/src/parsers/manifestjson.js
index abdce1e354b..3f8ed3f3990 100644
--- a/src/parsers/manifestjson.js
+++ b/src/parsers/manifestjson.js
@@ -18,6 +18,7 @@ export default class ManifestJSONParser {
       name: this._getName(),
       type: this._getType(),
       version: this._getVersion(),
+      restartless: true, // All web extensions are restartless
     });
   }
 
diff --git a/tests/parsers/test.installrdf.js b/tests/parsers/test.installrdf.js
index 18db35032a7..f53a79dba68 100644
--- a/tests/parsers/test.installrdf.js
+++ b/tests/parsers/test.installrdf.js
@@ -228,6 +228,65 @@ describe('InstallRdfParser._getGUID()', function() {
 
 });
 
+describe('InstallRdfParser._getIsBootstrapped()', () => {
+  it('should extract that the addon is restartless', () => {
+    var rdf = validRDF('<em:bootstrap>true</em:bootstrap>');
+    var rdfScanner = new RDFScanner(rdf, INSTALL_RDF);
+    return rdfScanner.getContents()
+      .then((xmlDoc) => {
+        var installRdfParser = new InstallRdfParser(xmlDoc);
+        return installRdfParser._getIsBootstrapped();
+      })
+      .then((bootstrap) => {
+        assert.typeOf(bootstrap, 'boolean');
+        assert.equal(bootstrap, true);
+      });
+  });
+
+  it(`should extract that the addon isn't restartless`, () => {
+    var rdf = validRDF('<em:bootstrap>false</em:bootstrap>');
+    var rdfScanner = new RDFScanner(rdf, INSTALL_RDF);
+    return rdfScanner.getContents()
+      .then((xmlDoc) => {
+        var installRdfParser = new InstallRdfParser(xmlDoc);
+        return installRdfParser._getIsBootstrapped();
+      })
+      .then((bootstrap) => {
+        assert.typeOf(bootstrap, 'boolean');
+        assert.equal(bootstrap, false);
+      });
+  });
+
+  it(`should extract only the top level bootstrap value`, () => {
+    var rdf = validRDF(`<em:bootstrap>true</em:bootstrap><Description>
+      <em:bootstrap>false</em:bootstrap></Description>`);
+    var rdfScanner = new RDFScanner(rdf, INSTALL_RDF);
+    return rdfScanner.getContents()
+      .then((xmlDoc) => {
+        var installRdfParser = new InstallRdfParser(xmlDoc);
+        return installRdfParser._getIsBootstrapped();
+      })
+      .then((bootstrap) => {
+        assert.typeOf(bootstrap, 'boolean');
+        assert.equal(bootstrap, true);
+      });
+  });
+
+  it(`should assume that an addon isn't restartless`, () => {
+    var rdf = validRDF('<em:id>123</em:id>');
+    var rdfScanner = new RDFScanner(rdf, INSTALL_RDF);
+    return rdfScanner.getContents()
+      .then((xmlDoc) => {
+        var installRdfParser = new InstallRdfParser(xmlDoc);
+        return installRdfParser._getIsBootstrapped();
+      })
+      .then((bootstrap) => {
+        assert.typeOf(bootstrap, 'boolean');
+        assert.equal(bootstrap, false);
+      });
+  });
+});
+
 describe('InstallRdfParser._getDescriptionNode()', function() {
 
   it('should reject on missing RDF node', () => {