diff --git a/browser.php b/browser.php
index 7c93009..d676b78 100644
--- a/browser.php
+++ b/browser.php
@@ -15,14 +15,23 @@ $capsule->addConnection([
 $capsule->setAsGlobal();
 $capsule->bootEloquent();
 echo '<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-QWTKZyjpPEjISv5WaRU9OFeRpok6YctnYmDr5pNlyT2bRjXh0JMhjY6hW+ALEwIH" crossorigin="anonymous"></head>';
-echo "<table class='table table-hover'>";
 if (isset($_GET['product_id'])) {
     $product = Product::with('price')->find($_GET['product_id']);
+    echo "<a href='/browser.php'>back</a><table class='table table-hover'>";
     echo "<tr>
-        <td><img src='$product->image&width=70' class='img-fluid' alt='$product->name' /></td>
+        <td><img src='$product->image&width=150' class='img-fluid' alt='$product->name'/></td>
         <td><a href='?product_id=$product->id'>$product->name</a></td>
         <td>$product->subTitle</td>
-        <td><a href='https://pl.ryobitools.eu/{$product->url}'>link</a></td>";
+        <td><a href='https://pl.ryobitools.eu/{$product->url}'>link</a></td></tr>";
+    echo "</table>";
+    echo "<table class='table table-hover'>
+    <thead>
+    <tr>
+    <th>price</th>
+    <th>lowest product price in 30 days</th>
+    <th colspan='2'>standard price</th>
+    </tr>
+    </thead>";
     /** @var Price $price */
     foreach ($product->price as $price) {
         echo "<tr>
@@ -32,16 +41,39 @@ if (isset($_GET['product_id'])) {
         <td>$price->created_at</td>
 </tr>";
     }
-} else {
-    $products = Product::with('price')->get();
+    echo "</table>";
+}
+if (isset($_GET['category'])) {
+    $products = Product::with('price')->where('categories', 'LIKE', '%'.$_GET['category'].'%')->get();
+    echo "<table class='table table-hover'>";
     foreach ($products as $product) {
         echo "<tr>
         <td><img src='$product->image&width=70' class='img-fluid' alt='$product->name' /></td>
         <td><a href='?product_id=$product->id'>$product->name</a></td>
-        <td>$product->subTitle</td>
-        <td><a href='https://pl.ryobitools.eu/{$product->url}'>link</a></td>
+        <td>$product->subTitle</td><td><ul class='nav'>";
+        foreach ($product->categories as $category) {
+            echo '<li class="nav-item"><a class="nav-link" href="?category=' . $category . '">' . $category . '</a></li>';
+        }
+        echo "</td><td><a href='https://pl.ryobitools.eu/{$product->url}'>link</a></td>
         <td>{$product->price->last()->price}</td>
 </tr>";
     }
+    echo "</table>";
+}
+if (!isset($_GET['product_id']) && !isset($_GET['category'])) {
+    $products = Product::with('price')->get();
+    echo "<table class='table table-hover'>";
+    foreach ($products as $product) {
+        echo "<tr>
+        <td><img src='$product->image&width=70' class='img-fluid' alt='$product->name' /></td>
+        <td><a href='?product_id=$product->id'>$product->name</a></td>
+        <td>$product->subTitle</td><td><ul class='nav'>";
+        foreach ($product->categories as $category) {
+            echo '<li class="nav-item"><a class="nav-link" href="?category=' . $category . '">' . $category . '</a></li>';
+        }
+        echo "</td><td><a href='https://pl.ryobitools.eu/{$product->url}'>link</a></td>
+        <td>{$product->price->last()->price}</td>
+</tr>";
+    }
+    echo "</table>";
 }
-echo "</table>";
\ No newline at end of file
diff --git a/src/Models/Product.php b/src/Models/Product.php
index c477d0b..c332e02 100644
--- a/src/Models/Product.php
+++ b/src/Models/Product.php
@@ -2,6 +2,7 @@
 
 namespace Krzysiej\RyobiCrawler\Models;
 
+use Illuminate\Database\Eloquent\Casts\Attribute;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\HasMany;
 
@@ -22,8 +23,17 @@ class Product extends Model
 {
     public $timestamps = true;
     public $fillable = ['skuID'];
+
     public function price(): HasMany
     {
         return $this->hasMany(Price::class);
     }
+
+    protected function categories(): Attribute
+    {
+        return Attribute::make(
+            get: fn(string $value) => array_reverse(json_decode($value, 1)),
+        );
+    }
+
 }
\ No newline at end of file