diff --git a/README.md b/README.md
index aa57f6a..6d68cb0 100644
--- a/README.md
+++ b/README.md
@@ -1,19 +1,34 @@
 <a href="https://github.com/stefafafan/psi-action/actions"><img alt="psi-action status" src="https://github.com/stefafafan/psi-action/workflows/build-test/badge.svg"></a>
 
 # psi-action
-
-TODO
+psi-action is a GitHub Action that outputs [PageSpeed Insights](https://pagespeed.web.dev/) values for the next steps of a workflow. This action is similar to [JakePartusch/psi-action](https://github.com/JakePartusch/psi-action), but different in that this actually outputs the values for further use in the workflow.
 
 ## Inputs
-
-- TODO
+- `url`: The URL to fetch PageSpeed Insights results.
+- `key`: API Key for the PageSpeed Insights API.
+- `strategy`: Strategy to fetch PageSpeed Insights results. "mobile" or "desktop".
 
 ## Outputs
-
-- TODO
+- `score`: Overall score of the url. Maximum is 100.
+- `first-contentful-paint`: First Contentful Paint (FCP) in milliseconds.
+- `first-input-delay`: First Input Delay (FID) in milliseconds.
+- `cumulative-layout-shift`: Cumulative Layout Shift (CLS) score.
+- `largest-contentful-paint`: Largest Contentful Paint (LCP) in milliseconds.
+- `speed-index`: Speed Index score. Maximum is 100.
+- `time-to-interactive`: Time to Interactive score. Maximum is 100.
+- `total-blocking-time`: Total Blocking Time score. Maximum is 100.
 
 ## Example Usage
-TODO
+```yaml
+    - id: psi
+      uses: stefafafan/psi-action@v1
+      with:
+        url: 'https://example.com/'
+        key: ${{ secrets.API_KEY }}
+        strategy: 'mobile'
+    - name: echo score
+      run: echo "Score: ${{ steps.psi.outputs.score }}"
+```
 
 ## Contributing
 
diff --git a/action.yml b/action.yml
index ff70e52..28025cd 100644
--- a/action.yml
+++ b/action.yml
@@ -32,3 +32,6 @@ outputs:
 runs:
   using: 'node16'
   main: 'dist/index.js'
+branding:
+  icon: 'trending-up'
+  color: 'blue'
diff --git a/package.json b/package.json
index 0a4038e..97dbe56 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "psi-action",
-  "version": "0.0.0",
+  "version": "1.0.0",
   "private": true,
   "description": "PageSpeed Insights Action",
   "main": "lib/main.js",