diff --git a/cypress/integration/errors.spec.js b/cypress/integration/errors.spec.js
new file mode 100644
--- /dev/null
+++ b/cypress/integration/errors.spec.js
@@ -0,0 +1,109 @@
+/**
+ * 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 unarchivedRepo = {
+  url: 'https://github.com/SoftwareHeritage/swh-web',
+  revisionSha1git: '7bf1b2f489f16253527807baead7957ca9e8adde',
+  snapshotSha1git: 'd9829223095de4bb529790de8ba4e4813e38672d',
+  rootDirSha1git: '7d887d96c0047a77e2e8c4ee9bb1528463677663',
+  readmeSha1git: 'b203ec39300e5b7e97b6e20986183cbd0b797859'
+};
+
+const archivedRepo = {
+  url: 'https://github.com/memononen/libtess2',
+  invalidSubDir: 'Source1'
+};
+
+const invalidPageUrl = '/invalidPath';
+
+function urlShouldShowError(url, error) {
+  cy.visit(url, {
+    failOnStatusCode: false
+  });
+  cy.get('.swh-http-error')
+    .should('be.visible');
+  cy.get('.swh-http-error-code')
+    .should('contain', error.code);
+  cy.get('.swh-http-error-desc')
+    .should('contain', error.msg);
+}
+
+describe('Test Errors for unarchived repositories', function() {
+  it('should display NotFoundExc for unarchived repo', function() {
+    const url = 'browse/origin/' + unarchivedRepo.url + '/directory/';
+
+    urlShouldShowError(url, {
+      code: '404',
+      msg: 'NotFoundExc: Origin with url ' + unarchivedRepo.url + ' not found!'
+    });
+  });
+
+  it('should display NotFoundExc for unarchived content', function() {
+    const url = 'browse/content/sha1_git:' + unarchivedRepo.readmeSha1git + '/';
+
+    urlShouldShowError(url, {
+      code: '404',
+      msg: 'NotFoundExc: Content with sha1_git checksum equals to ' + unarchivedRepo.readmeSha1git + ' not found!'
+    });
+  });
+
+  it('should display NotFoundExc for unarchived directory sha1git', function() {
+    const url = 'browse/directory/' + unarchivedRepo.rootDirSha1git + '/';
+
+    urlShouldShowError(url, {
+      code: '404',
+      msg: 'NotFoundExc: Directory with sha1_git ' + unarchivedRepo.rootDirSha1git + ' not found'
+    });
+  });
+
+  it('should display NotFoundExc for unarchived revision sha1git', function() {
+    const url = 'browse/revision/' + unarchivedRepo.revisionSha1git + '/';
+
+    urlShouldShowError(url, {
+      code: '404',
+      msg: 'NotFoundExc: Revision with sha1_git ' + unarchivedRepo.revisionSha1git + ' not found.'
+    });
+  });
+
+  it('should display NotFoundExc for unarchived snapshot sha1git', function() {
+    const url = 'browse/snapshot/' + unarchivedRepo.snapshotSha1git + '/';
+
+    urlShouldShowError(url, {
+      code: '404',
+      msg: 'Snapshot with id ' + unarchivedRepo.snapshotSha1git + ' not found!'
+    });
+  });
+
+});
+
+describe('Test Errors for archived repositories', function() {
+  it('should display NotFoundExc for invalid directory from archived repo', function() {
+    const rootDir = 'browse/origin/' + archivedRepo.url + '/directory/';
+    const subDir = rootDir + archivedRepo.invalidSubDir;
+
+    cy.visit(rootDir);
+    cy.window().then(async win => {
+      const metadata = win.swh.webapp.getBrowsedSwhObjectMetadata();
+      urlShouldShowError(subDir, {
+        code: '404',
+        msg: 'NotFoundExc: Directory entry with path ' +
+              archivedRepo.invalidSubDir + ' from ' +
+              metadata.directory + ' not found'
+      });
+    });
+  });
+});
+
+describe('Test errors for webapp', function() {
+  it('should show 404 error for invalid path', function() {
+    urlShouldShowError(invalidPageUrl, {
+      code: '404',
+      msg: 'The resource ' + invalidPageUrl +
+           ' could not be found on the server.'
+    });
+  });
+});