diff --git a/src/pages/colophon.mdx b/src/pages/colophon.mdx
index 0bcded5..bacd08b 100644
--- a/src/pages/colophon.mdx
+++ b/src/pages/colophon.mdx
@@ -35,12 +35,16 @@ The source code of this website is available on [GitHub](https://github.com/koga
 - The layouts, templates, and components are written in Astro and [Preact](https://preactjs.com/).
 - My content is written in [MDX](https://mdxjs.com/), which allows using components in the [Markdown](https://daringfireball.net/projects/markdown/).
 - I use [Tailwind CSS](https://tailwindcss.com/) for my styling.
-- The website is hosted on [Netlify](https://www.netlify.com/).
+- The scroll animations are created with [Sal.js](https://mciastek.github.io/sal/).
 - Icons are handled by [Astro Icon](https://github.com/natemoo-re/astro-icon).
 - All images are optimized with [Astro ImageTools](https://github.com/RafidMuhymin/astro-imagetools/).
+- I use YouTube Lite, provided by [Astro Embed](https://github.com/astro-community/astro-embed).
+- [Astro SEO](https://github.com/jonasmerlin/astro-seo) makes it easy to add the SEO relevant information.
+- I use [Astro Webmanifest](https://github.com/alextim/astro-lib/tree/main/packages/astro-webmanifest) and [Astro Service Worker](https://github.com/tatethurston/astrojs-service-worker) to optimize the website.
 - To generate charts, I use [Chart.js](https://www.chartjs.org/), [react-chartjs-2](https://react-chartjs-2.js.org/), and [chartjs-plugin-autocolors](https://github.com/kurkle/chartjs-plugin-autocolors).
 - I use [reading-time](https://github.com/ngryman/reading-time) to add the reading time to Remark.
 - To parse and format dates I use [Moment.js](https://momentjs.com/).
 - I use [Plop](https://plopjs.com/) to generate content from templates.
+- The website is hosted on [Netlify](https://www.netlify.com/).
 
 </div>