diff --git a/cypress.json b/cypress.json
--- a/cypress.json
+++ b/cypress.json
@@ -1,4 +1,6 @@
 {
   "baseUrl": "http://localhost:5004",
-  "video": false
+  "video": false,
+  "viewportWidth": 1920,
+  "viewportHeight": 1080
 }
diff --git a/cypress/integration/back-to-top.spec.js b/cypress/integration/back-to-top.spec.js
new file mode 100644
--- /dev/null
+++ b/cypress/integration/back-to-top.spec.js
@@ -0,0 +1,34 @@
+/**
+ * Copyright (C) 2019  The Software Heritage developers
+ * See the AUTHORS file at the top-level directory of this distribution
+ * License: GNU Affero General Public License version 3, or any later version
+ * See top-level LICENSE file for more information
+ */
+
+const url = 'api/'
+
+describe('Back-to-top button tests', function() {
+  beforeEach(function () {
+    cy.visit(url);
+  })
+
+  it('should be hidden when on top', function() {
+    cy.get('#back-to-top').should('not.be.visible');
+  })
+
+  it('should be visible when scrolled down', function() {
+    cy.scrollTo('bottom')
+      .get('#back-to-top')
+      .should('be.visible');
+  })
+
+  it('should scroll to top when clicked', function() {
+    cy.scrollTo('bottom')
+      .get('#back-to-top')
+      .click()
+      .window()
+      .then((window) => {
+        assert.equal(window.scrollY, 0);
+      })
+  })
+})
diff --git a/cypress/integration/sidebar.spec.js b/cypress/integration/sidebar.spec.js
new file mode 100644
--- /dev/null
+++ b/cypress/integration/sidebar.spec.js
@@ -0,0 +1,56 @@
+/**
+ * Copyright (C) 2019  The Software Heritage developers
+ * See the AUTHORS file at the top-level directory of this distribution
+ * License: GNU Affero General Public License version 3, or any later version
+ * See top-level LICENSE file for more information
+ */
+
+const url = '/'
+
+describe('Sidebar tests', function() {
+  beforeEach(function () {
+    cy.visit(url);
+  })
+
+  it('should toggle sidebar when swh-push-menu is clicked', function() {
+    cy.get('.swh-push-menu')
+      .click()
+      .then(() => {
+        cy.get('body')
+          .should('have.class', 'sidebar-collapse')
+          .get('.nav-link > p')
+          .should('have.css', 'opacity', '0');
+      })
+      .get('.swh-push-menu')
+      .click()
+      .then(() => {
+        cy.get('body')
+          .should('have.class', 'sidebar-open')
+          .get('.nav-link > p')
+          .should('not.have.css', 'opacity', '0');
+      })
+  })
+
+  it('should have less width when collapsed compared to open', function() {
+    let collapsedWidth, expandedWidth;
+    cy.get('.swh-push-menu')
+      .click()
+      .wait(250)
+      .get('.swh-sidebar')
+      .should('have.css', 'width')
+      .then((width) => {
+        collapsedWidth = parseInt(width);
+      })
+      .get('.swh-push-menu')
+      .click()
+      .wait(250)
+      .get('.swh-sidebar')
+      .should('have.css', 'width')
+      .then((width) => {
+        expandedWidth = parseInt(width);
+      })
+      .then(() => {
+        assert.isBelow(collapsedWidth, expandedWidth);
+      })
+  })
+})