diff --git a/README.md b/README.md
index 40419ea..8ba67c4 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@
![Tests](https://github.com/spatie/image-optimizer/workflows/Tests/badge.svg)
[![Total Downloads](https://img.shields.io/packagist/dt/spatie/image-optimizer.svg?style=flat-square)](https://packagist.org/packages/spatie/image-optimizer)
-This package can optimize PNGs, JPGs, SVGs and GIFs by running them through a chain of various [image optimization tools](#optimization-tools). Here's how you can use it:
+This package can optimize PNGs, JPGs, WEBPs, SVGs and GIFs by running them through a chain of various [image optimization tools](#optimization-tools). Here's how you can use it:
```php
use Spatie\ImageOptimizer\OptimizerChainFactory;
@@ -276,24 +276,24 @@ Here are some real life example conversions done by this package.
### png
Original: Photoshop 'Save for web' | PNG-24 with transparency
-40 KB
+39 KB
![Original](https://spatie.github.io/image-optimizer/examples/logo.png)
Optimized
-16 KB (40%)
+16 KB (-59%, DSSIM: 0.00000251)
![Optimized](https://spatie.github.io/image-optimizer/examples/logo-optimized.png)
### jpg
Original: Photoshop 'Save for web' | quality 60, optimized
-547 KB
+534 KB
![Original](https://spatie.github.io/image-optimizer/examples/image.jpg)
Optimized
-525 KB (95%)
+514 KB (-3.9%, DSSIM: 0.00000000)
![Optimized](https://spatie.github.io/image-optimizer/examples/image-optimized.jpg)
@@ -302,24 +302,24 @@ credits: Jeff Sheldon, via [Unsplash](https://unsplash.com)
### svg
Original: Illustrator | Web optimized SVG export
-26 KB
+25 KB
![Original](https://spatie.github.io/image-optimizer/examples/graph.svg)
Optimized
-20 KB (76%)
+20 KB (-21.5%)
![Optimized](https://spatie.github.io/image-optimizer/examples/graph-optimized.svg)
### webp
Original: WebPonize
-528 KB
+502 KB
![Original](https://spatie.github.io/image-optimizer/examples/image.webp)
Optimized
-328 KB (89%)
+469 KB (-6.4%, DSSIM: 0.00174449)
![Optimized](https://spatie.github.io/image-optimizer/examples/image-optimized.webp)
diff --git a/docs/examples/image-optimized.webp b/docs/examples/image-optimized.webp
index 86d4d85..d9f9c23 100644
Binary files a/docs/examples/image-optimized.webp and b/docs/examples/image-optimized.webp differ