diff --git a/classes/Srcset.php b/classes/Srcset.php
index ec94422..0d15fe1 100644
--- a/classes/Srcset.php
+++ b/classes/Srcset.php
@@ -4,7 +4,7 @@
 
 class Srcset
 {
-    public static function srcset(\Kirby\Cms\File $file, $preset = 'default', $lazy = null)
+    public static function srcset(\Kirby\Cms\File $file, $preset = 'default', $lazy = null, $prefix = null)
     {
         if (!$file || !is_a($file, 'Kirby\Cms\File')) {
             return null;
@@ -20,7 +20,8 @@ public static function srcset(\Kirby\Cms\File $file, $preset = 'default', $lazy
             'preset' => is_array($preset) ? implode(', ', $preset) : $preset,
             'img' => \Bnomei\Srcset::img($file, $preset, $lazy),
             'sources' => \Bnomei\Srcset::sources($file, $preset, $lazy),
-            'autoSizes' => option('bnomei.srcset.autosizes')
+            'autoSizes' => option('bnomei.srcset.autosizes'),
+            'prefix' => $prefix ? $prefix : option('bnomei.srcset.prefix'),
         ], true);
     }
 
diff --git a/composer.json b/composer.json
index 624d1e3..2998e8e 100644
--- a/composer.json
+++ b/composer.json
@@ -1,7 +1,7 @@
 {
     "name": "bnomei/kirby3-srcset",
     "type": "kirby-plugin",
-    "version": "1.3.0",
+    "version": "1.3.1",
     "license": "MIT",
     "description": "Kirby 3 Plugin for creating image srcset using picture or image element",
     "authors": [
@@ -20,7 +20,8 @@
         "load",
         "images",
         "lazysizes",
-        "source"
+        "source",
+        "flickity"
     ],
     "autoload": {
         "psr-4": {
diff --git a/composer.lock b/composer.lock
index faa0be2..e94aefd 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,20 +4,20 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "897bce1a246319583afeb01217fc67cd",
+    "content-hash": "a279bb79dd46349e870b145bf3ae4b04",
     "packages": [
         {
             "name": "getkirby/composer-installer",
-            "version": "1.1.3",
+            "version": "1.1.4",
             "source": {
                 "type": "git",
                 "url": "https://github.com/getkirby/composer-installer.git",
-                "reference": "162497e4d9465fae95cb44b6135506eac54c9a05"
+                "reference": "2d6b8f5601a31caeeea45623e1643fbb437eb94e"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/getkirby/composer-installer/zipball/162497e4d9465fae95cb44b6135506eac54c9a05",
-                "reference": "162497e4d9465fae95cb44b6135506eac54c9a05",
+                "url": "https://api.github.com/repos/getkirby/composer-installer/zipball/2d6b8f5601a31caeeea45623e1643fbb437eb94e",
+                "reference": "2d6b8f5601a31caeeea45623e1643fbb437eb94e",
                 "shasum": ""
             },
             "require": {
@@ -42,7 +42,7 @@
             ],
             "description": "Kirby's custom Composer installer for the Kirby CMS and for Kirby plugins",
             "homepage": "https://getkirby.com",
-            "time": "2019-02-06T09:15:26+00:00"
+            "time": "2019-02-11T20:27:36+00:00"
         }
     ],
     "packages-dev": [],
diff --git a/index.php b/index.php
index 3f75bad..af25d8e 100644
--- a/index.php
+++ b/index.php
@@ -5,6 +5,7 @@
 Kirby::plugin('bnomei/srcset', [
     'options' => [
         'lazy' => false, // bool or class-name
+        'lazy.prefix' => 'data-', // bool or string
         'autosizes' => false, // https://github.com/aFarkas/lazysizes#markup-api
         'presets' => [
             'default' => [320, 0],
@@ -23,17 +24,18 @@
         'plugin-srcset-image' => __DIR__ . '/snippets/srcset-img.php',
     ],
     'fileMethods' => [
-        'srcset' => function ($preset = 'default', $lazy = null) {
-            return \Bnomei\Srcset::srcset($this, $preset, $lazy);
+        'srcset' => function ($preset = 'default', $lazy = null, $prefix = null) {
+            return \Bnomei\Srcset::srcset($this, $preset, $lazy, $prefix);
         }
     ],
     'tags' => [
         'srcset' => [
-            'attr' => ['preset', 'lazy', 'link', 'class'],
+            'attr' => ['preset', 'lazy', 'link', 'class', 'prefix'],
             'html' => function ($tag) {
                 try {
                     $file = Kirby::instance()->file($tag->value, $tag->parent());
                     $preset = (string) $tag->preset;
+                    $prefix = (string) $tag->prefix;
                     if (\Kirby\Toolkit\Str::contains($preset, ' ') || \Kirby\Toolkit\Str::contains($preset, ',')) {
                         $preset = str_replace(['[',']',',','  ','px'], ['','',' ',' ',''], $preset);
                         $preset = array_map(function ($v) {
@@ -41,7 +43,7 @@
                         }, explode(' ', $preset));
                     }
                     if ($file) {
-                        $srcset = \Bnomei\Srcset::srcset($file, $preset, boolval($tag->lazy));
+                        $srcset = \Bnomei\Srcset::srcset($file, $preset, boolval($tag->lazy), $prefix);
                         if ($tag->link && $tag->class) {
                             return '<a href="'.url($tag->link).'" class="'.$tag->class.'">'.$srcset.'</a>';
                         } elseif ($tag->link) {
diff --git a/readme.md b/readme.md
index 4fd7ed1..d3aaf34 100644
--- a/readme.md
+++ b/readme.md
@@ -35,6 +35,8 @@ echo $page->image('ukulele.jpg')->srcset([320, 640, 960]);
 // choosing if lazy is possible global or override on call
 // default: null => config value, true => will be flagged for lazyloading
 echo $page->image('ukulele.jpg')->srcset('breakpoints', true); // null,true, false, 'classname'
+echo $page->image('ukulele.jpg')->srcset('breakpoints', true, 'data-'); // null, false, 'data-'
+echo $page->image('ukulele.jpg')->srcset('breakpoints', true, 'data-flickity-lazyload-'); // null, false, 'data-'
 ```
 
 **non-lazy**
@@ -99,10 +101,12 @@ echo $page->image('ukulele.jpg')->srcset('breakpoints', true); // null,true, fal
 
 - [Override default image tag](https://github.com/bnomei/kirby3-srcset/issues/2)
 - [How to solve low resolution images on first load?](https://github.com/bnomei/kirby3-srcset/issues/5)
+- [Lazyloading with Flickity](https://flickity.metafizzy.co/options.html#lazyload)? Do `lazy.prefix => data-flickity-lazyload-` and `snippet => plugin-srcset-img`.
 
 ## Options explained
 ```php
 'lazy' => false, // bool or class-name, for lozad or lazysizes etc. true => 'lazyload'
+'lazy.prefix' => 'data-', // bool or prefix before srcset and src when doint lazy loading.
 'autosizes' => false, // if true will add `data-sizes="auto"`
 'snippet' => 'plugin-srcset-picture', // or plugin-srcset-img
 // override preset array to create your own list of widths
@@ -129,6 +133,10 @@ echo $page->image('ukulele.jpg')->srcset('breakpoints', true); // null,true, fal
 **autosizes**
 - default: `false` Please [read the manual](https://github.com/aFarkas/lazysizes#markup-api) before activating this setting. 
 
+**lazy.prefix**
+- default: `data-`. This can be used to add [Flickity Lazyloading](https://flickity.metafizzy.co/options.html#lazyload).
+- example: `$page->image('ukulele.jpg')->srcset('breakpoints', true, 'data-flickity-lazyload-');`
+
 > TIP: You might need to add CSS as well.
 ```css
 img[data-sizes="auto"] { display: block; width: 100%; }
diff --git a/snippets/srcset-img.php b/snippets/srcset-img.php
index d8a5dd8..38fa74b 100644
--- a/snippets/srcset-img.php
+++ b/snippets/srcset-img.php
@@ -1,5 +1,5 @@
 <?php
-    // $file, $lazy, $isLazy, $preset, $sources, $img, $autoSizes
+    // $file, $lazy, $isLazy, $preset, $sources, $img, $autoSizes, $prefix
 
     $firstSource = null;
     foreach ($sources as $s) {
@@ -7,4 +7,4 @@
         break;
     }
 ?>
-<img class="srcset <?= $lazy ?>" <?= ($autoSizes?'data-sizes="auto"':'') ?> data-preset="<?= $preset ?>" <?= ($isLazy?'data-':'') ?>srcset="<?= $firstSource['srcset'] ?>" <?= ($isLazy?'data-':'') ?>src="<?= $img['src'] ?>" alt="<?= $img['alt'] ?>" />
+<img class="srcset <?= $lazy ?>" <?= ($autoSizes?'data-sizes="auto"':'') ?> data-preset="<?= $preset ?>" <?= ($isLazy?$prefix:'') ?>srcset="<?= $firstSource['srcset'] ?>" <?= ($isLazy?$prefix:'') ?>src="<?= $img['src'] ?>" alt="<?= $img['alt'] ?>" />
diff --git a/snippets/srcset-picture.php b/snippets/srcset-picture.php
index 6c10246..deb704a 100644
--- a/snippets/srcset-picture.php
+++ b/snippets/srcset-picture.php
@@ -1,4 +1,4 @@
 <?php
-    // $file, $lazy, $isLazy, $preset, $sources, $img, $autoSizes
+    // $file, $lazy, $isLazy, $preset, $sources, $img, $autoSizes, $prefix
 ?>
-<picture class="srcset" data-preset="<?= $preset ?>"><?php foreach ($sources as $s): ?><source <?= ($isLazy?'data-':'') ?>srcset="<?= $s['srcset'] ?>" type="<?= $s['type'] ?>" /><?php endforeach; ?> <img class="<?= $lazy ?>" <?= ($autoSizes?'data-sizes="auto"':'') ?> <?= ($isLazy?'data-':'') ?>src="<?= $img['src'] ?>" alt="<?= $img['alt'] ?>" /></picture>
+<picture class="srcset" data-preset="<?= $preset ?>"><?php foreach ($sources as $s): ?><source <?= ($isLazy?$prefix:'') ?>srcset="<?= $s['srcset'] ?>" type="<?= $s['type'] ?>" /><?php endforeach; ?> <img class="<?= $lazy ?>" <?= ($autoSizes?'data-sizes="auto"':'') ?> <?= ($isLazy?$prefix:'') ?>src="<?= $img['src'] ?>" alt="<?= $img['alt'] ?>" /></picture>
diff --git a/snippets/srcset.php b/snippets/srcset.php
index fc55dcb..be2a2cb 100644
--- a/snippets/srcset.php
+++ b/snippets/srcset.php
@@ -1,4 +1,4 @@
 <?php
-    // $file, $lazy, $isLazy, $preset, $sources, $img
+    // $file, $lazy, $isLazy, $preset, $sources, $img, $prefix
 ?>
-<picture class="srcset" data-preset="<?= $preset ?>"><?php foreach ($sources as $s): ?><source <?= ($isLazy?'data-':'') ?>srcset="<?= $s['srcset'] ?>" type="<?= $s['type'] ?>" /><?php endforeach; ?> <img class="<?= $lazy ?>" <?= ($isLazy?'data-':'') ?>src="<?= $img['src'] ?>" alt="<?= $img['alt'] ?>" /></picture>
+<picture class="srcset" data-preset="<?= $preset ?>"><?php foreach ($sources as $s): ?><source <?= ($isLazy?$prefix:'') ?>srcset="<?= $s['srcset'] ?>" type="<?= $s['type'] ?>" /><?php endforeach; ?> <img class="<?= $lazy ?>" <?= ($isLazy?$prefix:'') ?>src="<?= $img['src'] ?>" alt="<?= $img['alt'] ?>" /></picture>