diff --git a/docs/_config.yml b/docs/_config.yml
index 145a7857d..be4310436 100644
--- a/docs/_config.yml
+++ b/docs/_config.yml
@@ -59,8 +59,6 @@ defaults:
     values:
       layout: single
       author_profile: true
-      header:
-        og_image: "images/banner.png"
       share: false
       related: false
 
diff --git a/docs/_pages/index.md b/docs/_pages/index.md
index 4a4014a9a..c4f2dc5a3 100644
--- a/docs/_pages/index.md
+++ b/docs/_pages/index.md
@@ -6,16 +6,16 @@ layout: splash
 header:
   overlay_color: "#263238"
 imagebutton_row:
-  - image_path: "images/getting-started.jpg"
+  - image_path: "images/getting-started.webp"
     title: "Getting Started"
     url: "manual/getting-started/"
-  - image_path: "images/manual.jpg"
+  - image_path: "images/manual.webp"
     title: "Manual"
     url: "manual/"
-  - image_path: "images/error-messages.jpg"
+  - image_path: "images/error-messages.webp"
     title: "Error messages explained"
     url: "errormessages/"
-  - image_path: "images/resources.jpg"
+  - image_path: "images/resources.webp"
     title: "Additional resources"
     url: "resources/"
 ---
diff --git a/docs/images/banner.png b/docs/images/banner.png
deleted file mode 100644
index c4831d97e..000000000
Binary files a/docs/images/banner.png and /dev/null differ
diff --git a/docs/images/error-messages.jpg b/docs/images/error-messages.jpg
deleted file mode 100644
index 8a2e43508..000000000
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diff --git a/docs/images/error-messages.webp b/docs/images/error-messages.webp
new file mode 100644
index 000000000..bf7ec9b56
Binary files /dev/null and b/docs/images/error-messages.webp differ
diff --git a/docs/images/getting-started.jpg b/docs/images/getting-started.jpg
deleted file mode 100644
index c017adcdc..000000000
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diff --git a/docs/images/getting-started.webp b/docs/images/getting-started.webp
new file mode 100644
index 000000000..6e014314f
Binary files /dev/null and b/docs/images/getting-started.webp differ
diff --git a/docs/images/manual.jpg b/docs/images/manual.jpg
deleted file mode 100644
index 881be5c9b..000000000
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diff --git a/docs/images/manual.webp b/docs/images/manual.webp
new file mode 100644
index 000000000..b30094b84
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diff --git a/docs/images/resources.jpg b/docs/images/resources.jpg
deleted file mode 100644
index c1ff44f81..000000000
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diff --git a/docs/images/resources.webp b/docs/images/resources.webp
new file mode 100644
index 000000000..13827fe5c
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