diff --git a/web/package.json b/web/package.json
index 18278b2..de538b1 100644
--- a/web/package.json
+++ b/web/package.json
@@ -12,7 +12,9 @@
   "dependencies": {
     "fetch-suspense": "^1.2.0",
     "i18next": "^17.0.9",
-    "i18next-browser-languagedetector": "^3.0.2",
+    "i18next-browser-languagedetector": "^3.0.3",
+    "i18next-chained-backend": "^2.0.0",
+    "i18next-localstorage-backend": "^3.0.0",
     "i18next-xhr-backend": "^3.1.1",
     "isomorphic-unfetch": "^3.0.0",
     "prop-types": "^15.7.2",
@@ -31,7 +33,8 @@
   "devDependencies": {
     "@testing-library/jest-dom": "^4.0.0",
     "@testing-library/react": "^8.0.8",
-    "@types/node": "^12.7.0"
+    "@types/node": "^12.7.1",
+    "typescript": "^3.5.3"
   },
   "browserslist": {
     "production": [
diff --git a/web/src/i18n.js b/web/src/i18n.js
index 88d5510..305287a 100644
--- a/web/src/i18n.js
+++ b/web/src/i18n.js
@@ -1,20 +1,19 @@
 import i18n from 'i18next'
-import Backend from 'i18next-xhr-backend'
+import Backend from 'i18next-chained-backend'
+import LocalStorageBackend from 'i18next-localstorage-backend'
+import XHR from 'i18next-xhr-backend'
 import LanguageDetector from 'i18next-browser-languagedetector'
 import { initReactI18next } from 'react-i18next'
 
 i18n
-  // load translation using xhr -> see /public/locales
-  // learn more: https://github.com/i18next/i18next-xhr-backend
   .use(Backend)
-  // detect user language
-  // learn more: https://github.com/i18next/i18next-browser-languageDetector
   .use(LanguageDetector)
-  // pass the i18n instance to react-i18next.
   .use(initReactI18next)
-  // init i18next
-  // for all options read: https://www.i18next.com/overview/configuration-options
   .init({
+    backend: {
+      backends: [LocalStorageBackend, XHR],
+      backendOptions: [],
+    },
     fallbackLng: 'en',
     debug: false,
     interpolation: {
diff --git a/web/yarn.lock b/web/yarn.lock
index 55c79bc..8128ae0 100644
--- a/web/yarn.lock
+++ b/web/yarn.lock
@@ -881,7 +881,7 @@
   dependencies:
     regenerator-runtime "^0.13.2"
 
-"@babel/runtime@^7.0.0", "@babel/runtime@^7.1.2", "@babel/runtime@^7.3.1", "@babel/runtime@^7.3.4", "@babel/runtime@^7.4.0", "@babel/runtime@^7.4.2", "@babel/runtime@^7.4.3", "@babel/runtime@^7.5.1", "@babel/runtime@^7.5.4", "@babel/runtime@^7.5.5":
+"@babel/runtime@^7.0.0", "@babel/runtime@^7.1.2", "@babel/runtime@^7.3.1", "@babel/runtime@^7.3.4", "@babel/runtime@^7.4.0", "@babel/runtime@^7.4.2", "@babel/runtime@^7.4.3", "@babel/runtime@^7.4.5", "@babel/runtime@^7.5.1", "@babel/runtime@^7.5.4", "@babel/runtime@^7.5.5":
   version "7.5.5"
   resolved "https://registry.yarnpkg.com/@babel/runtime/-/runtime-7.5.5.tgz#74fba56d35efbeca444091c7850ccd494fd2f132"
   integrity sha512-28QvEGyQyNkB0/m2B4FU7IEZGK2NUrcMtT6BZEFALTguLk+AUT6ofsHtPk5QyjAdUkpMJ+/Em+quwz4HOt30AQ==
@@ -1414,10 +1414,10 @@
     "@types/istanbul-lib-coverage" "*"
     "@types/istanbul-lib-report" "*"
 
-"@types/node@^12.7.0":
-  version "12.7.0"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-12.7.0.tgz#545dde2a1a5c27d281cfb8308d6736e0708f5d6c"
-  integrity sha512-vqcj1MVm2Sla4PpMfYKh1MyDN4D2f/mPIZD7RdAGqEsbE+JxfeqQHHVbRDQ0Nqn8i73gJa1HQ1Pu3+nH4Q0Yiw==
+"@types/node@^12.7.1":
+  version "12.7.1"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-12.7.1.tgz#3b5c3a26393c19b400844ac422bd0f631a94d69d"
+  integrity sha512-aK9jxMypeSrhiYofWWBf/T7O+KwaiAHzM4sveCdWPn71lzUSMimRnKzhXDKfKwV1kWoBo2P1aGgaIYGLf9/ljw==
 
 "@types/q@^1.5.1":
   version "1.5.2"
@@ -4880,10 +4880,24 @@ https-browserify@^1.0.0:
   resolved "https://registry.yarnpkg.com/https-browserify/-/https-browserify-1.0.0.tgz#ec06c10e0a34c0f2faf199f7fd7fc78fffd03c73"
   integrity sha1-7AbBDgo0wPL68Zn3/X/Hj//QPHM=
 
-i18next-browser-languagedetector@^3.0.2:
-  version "3.0.2"
-  resolved "https://registry.yarnpkg.com/i18next-browser-languagedetector/-/i18next-browser-languagedetector-3.0.2.tgz#dddfdfae8702d79aeae13682063b3d05c3614a03"
-  integrity sha512-0gQK7FAHDPsJGHvPlfIgXZlZUHlgQy0I6WFFotvreK8m0fG33lkq7jvBvef/8cFeJYBtjYR9GbQF6/DxGCaneA==
+i18next-browser-languagedetector@^3.0.3:
+  version "3.0.3"
+  resolved "https://registry.yarnpkg.com/i18next-browser-languagedetector/-/i18next-browser-languagedetector-3.0.3.tgz#879ebe421685c70cc5cfa96191364a35ea7da742"
+  integrity sha512-1YuAogyQap0J6N4kM+6gAjZ6T7QWrp3xZCmSs0QedkNmgAKhj7FiQlCviHKl3IwbM6zJNgft4D7UDPWb1dTCMQ==
+
+i18next-chained-backend@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/i18next-chained-backend/-/i18next-chained-backend-2.0.0.tgz#faf2e8b5f081a01e74fbec1fe580c184bc64e25b"
+  integrity sha512-NAwfxzNUojtYc3nTCFIyNUYsxT+RFpfWc75dHbv7BsYxfbpKV1NISiFGU77D4u0wtq5IqM87YSINX/2miH9qvg==
+  dependencies:
+    "@babel/runtime" "^7.4.5"
+
+i18next-localstorage-backend@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/i18next-localstorage-backend/-/i18next-localstorage-backend-3.0.0.tgz#19b4e836e9a79e564631b88b8ba1c738375e636f"
+  integrity sha512-jOvnvVYP7VlA87aO0wgNeXRoj/vQHqO56UB/R6DlglWn/Ipz4rNGZUyzejJVLFaypZTZ6rpqNsB/pjSVtZm4YQ==
+  dependencies:
+    "@babel/runtime" "^7.4.5"
 
 i18next-xhr-backend@^3.1.1:
   version "3.1.1"
@@ -9834,6 +9848,11 @@ typedarray@^0.0.6:
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
   integrity sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=
 
+typescript@^3.5.3:
+  version "3.5.3"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.5.3.tgz#c830f657f93f1ea846819e929092f5fe5983e977"
+  integrity sha512-ACzBtm/PhXBDId6a6sDJfroT2pOWt/oOnk4/dElG5G33ZL776N3Y6/6bKZJBFpd+b05F3Ct9qDjMeJmRWtE2/g==
+
 ua-parser-js@^0.7.18:
   version "0.7.20"
   resolved "https://registry.yarnpkg.com/ua-parser-js/-/ua-parser-js-0.7.20.tgz#7527178b82f6a62a0f243d1f94fd30e3e3c21098"