diff --git a/package-lock.json b/package-lock.json
index ab713135cbcd7..e5d8c1b3f6708 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -55,7 +55,7 @@
         "smol-toml": "1.3.0",
         "svg-path-bbox": "^2.1.0",
         "svgpath": "^2.6.0",
-        "webextension-store-meta": "^1.2.3",
+        "webextension-store-meta": "^1.2.4",
         "xpath": "~0.0.34"
       },
       "devDependencies": {
@@ -29801,9 +29801,10 @@
       }
     },
     "node_modules/webextension-store-meta": {
-      "version": "1.2.3",
-      "resolved": "https://registry.npmjs.org/webextension-store-meta/-/webextension-store-meta-1.2.3.tgz",
-      "integrity": "sha512-CpIiG/zCwdUBce6O4E4q/9EHC3p5/JxtD+cYWVPZCTjKbuSasfbLzFV5i+QPXEVoChW6jcg6OWdgSDtDfvCHIA==",
+      "version": "1.2.4",
+      "resolved": "https://registry.npmjs.org/webextension-store-meta/-/webextension-store-meta-1.2.4.tgz",
+      "integrity": "sha512-cyFEPs277pjm3FgLbfAzRxr7LkVKw5fzQmO/wcXN7i7/03nnMcB24OjVyot+ZT0OWknLsHs5ef6jlWzoK9A2tA==",
+      "license": "MIT",
       "dependencies": {
         "domhandler": "^4.0.0",
         "htmlparser2": "^6.1.0",
diff --git a/package.json b/package.json
index c2ff907d9774d..3b548719cd226 100644
--- a/package.json
+++ b/package.json
@@ -67,7 +67,7 @@
     "smol-toml": "1.3.0",
     "svg-path-bbox": "^2.1.0",
     "svgpath": "^2.6.0",
-    "webextension-store-meta": "^1.2.3",
+    "webextension-store-meta": "^1.2.4",
     "xpath": "~0.0.34"
   },
   "scripts": {
diff --git a/services/chrome-web-store/chrome-web-store-last-updated.service.js b/services/chrome-web-store/chrome-web-store-last-updated.service.js
new file mode 100644
index 0000000000000..6bea2500e7caf
--- /dev/null
+++ b/services/chrome-web-store/chrome-web-store-last-updated.service.js
@@ -0,0 +1,41 @@
+import { age } from '../color-formatters.js'
+import { formatDate } from '../text-formatters.js'
+import { NotFound, pathParams } from '../index.js'
+import BaseChromeWebStoreService from './chrome-web-store-base.js'
+
+export default class ChromeWebStoreLastUpdated extends BaseChromeWebStoreService {
+  static category = 'activity'
+  static route = { base: 'chrome-web-store/last-updated', pattern: ':storeId' }
+
+  static openApi = {
+    '/chrome-web-store/last-updated/{storeId}': {
+      get: {
+        summary: 'Chrome Web Store Last Updated',
+        parameters: pathParams({
+          name: 'storeId',
+          example: 'nccfelhkfpbnefflolffkclhenplhiab',
+        }),
+      },
+    },
+  }
+
+  static defaultBadgeData = {
+    label: 'last updated',
+  }
+
+  async handle({ storeId }) {
+    const chromeWebStore = await this.fetch({ storeId })
+    const lastUpdated = chromeWebStore.lastUpdated()
+
+    if (lastUpdated == null) {
+      throw new NotFound({ prettyMessage: 'not found' })
+    }
+
+    const lastUpdatedDate = Date.parse(lastUpdated)
+
+    return {
+      message: formatDate(lastUpdatedDate),
+      color: age(lastUpdatedDate),
+    }
+  }
+}
diff --git a/services/chrome-web-store/chrome-web-store-last-updated.tester.js b/services/chrome-web-store/chrome-web-store-last-updated.tester.js
new file mode 100644
index 0000000000000..3459b3702c28f
--- /dev/null
+++ b/services/chrome-web-store/chrome-web-store-last-updated.tester.js
@@ -0,0 +1,18 @@
+import { isFormattedDate } from '../test-validators.js'
+import { createServiceTester } from '../tester.js'
+
+export const t = await createServiceTester()
+
+t.create('Last updated')
+  .get('/nccfelhkfpbnefflolffkclhenplhiab.json')
+  .expectBadge({
+    label: 'last updated',
+    message: isFormattedDate,
+  })
+
+t.create('Last updated (not found)')
+  .get('/invalid-name-of-addon.json')
+  .expectBadge({
+    label: 'last updated',
+    message: 'not found',
+  })
diff --git a/services/chrome-web-store/chrome-web-store-size.service.js b/services/chrome-web-store/chrome-web-store-size.service.js
new file mode 100644
index 0000000000000..12b11829e454a
--- /dev/null
+++ b/services/chrome-web-store/chrome-web-store-size.service.js
@@ -0,0 +1,35 @@
+import { NotFound, pathParams } from '../index.js'
+import BaseChromeWebStoreService from './chrome-web-store-base.js'
+
+export default class ChromeWebStoreSize extends BaseChromeWebStoreService {
+  static category = 'size'
+  static route = { base: 'chrome-web-store/size', pattern: ':storeId' }
+
+  static openApi = {
+    '/chrome-web-store/size/{storeId}': {
+      get: {
+        summary: 'Chrome Web Store Size',
+        parameters: pathParams({
+          name: 'storeId',
+          example: 'nccfelhkfpbnefflolffkclhenplhiab',
+        }),
+      },
+    },
+  }
+
+  static defaultBadgeData = {
+    label: 'extension size',
+    color: 'blue',
+  }
+
+  async handle({ storeId }) {
+    const chromeWebStore = await this.fetch({ storeId })
+    const size = chromeWebStore.size()
+
+    if (size == null) {
+      throw new NotFound({ prettyMessage: 'not found' })
+    }
+
+    return { message: size }
+  }
+}
diff --git a/services/chrome-web-store/chrome-web-store-size.tester.js b/services/chrome-web-store/chrome-web-store-size.tester.js
new file mode 100644
index 0000000000000..5eb2f9ae6d4cd
--- /dev/null
+++ b/services/chrome-web-store/chrome-web-store-size.tester.js
@@ -0,0 +1,13 @@
+import { createServiceTester } from '../tester.js'
+
+export const t = await createServiceTester()
+const isFileSize = /^\d+(\.\d+)?(MiB|KiB)$/
+
+t.create('Size').get('/nccfelhkfpbnefflolffkclhenplhiab.json').expectBadge({
+  label: 'extension size',
+  message: isFileSize,
+})
+
+t.create('Size (not found)')
+  .get('/invalid-name-of-addon.json')
+  .expectBadge({ label: 'extension size', message: 'not found' })