diff --git a/themes/2026/layouts/_partials/article-header.html b/themes/2026/layouts/_partials/article-header.html
index 56e40eb2..3697320a 100644
--- a/themes/2026/layouts/_partials/article-header.html
+++ b/themes/2026/layouts/_partials/article-header.html
@@ -71,8 +71,12 @@
   {{- $coverImage = $page.Resources.GetMatch $coverPath -}}
   {{- if $coverImage -}}
     {{- $coverDisplay = $coverImage -}}
-    {{- if and (ne $coverDisplay.MediaType.SubType "svg") (gt $coverDisplay.Width 1480) -}}
-      {{- $coverDisplay = $coverImage.Resize "1480x" -}}
+    {{- if ne $coverDisplay.MediaType.SubType "svg" -}}
+      {{- $coverWidth := $coverDisplay.Width -}}
+      {{- if gt $coverDisplay.Width 1480 -}}
+        {{- $coverWidth = 1480 -}}
+      {{- end -}}
+      {{- $coverDisplay = $coverImage.Resize (printf "%dx webp q80" $coverWidth) -}}
     {{- end -}}
   {{- end -}}
 {{- end -}}
diff --git a/themes/2026/layouts/_partials/media/display-img.html b/themes/2026/layouts/_partials/media/display-img.html
new file mode 100644
index 00000000..95d920f3
--- /dev/null
+++ b/themes/2026/layouts/_partials/media/display-img.html
@@ -0,0 +1,28 @@
+{{- $image := .image -}}
+{{- $showMeta := .showMeta -}}
+{{- $forceCentered := .forceCentered -}}
+{{- $alt := .alt -}}
+{{- $title := .title -}}
+{{- $display := $image -}}
+
+{{- if ne $image.MediaType.SubType "svg" -}}
+  {{- if gt $image.Width $image.Height -}}
+    {{- $maxWidth := 1400 -}}
+    {{- if and $showMeta (not $forceCentered) -}}
+      {{- $maxWidth = 900 -}}
+    {{- end -}}
+    {{- $targetWidth := $image.Width -}}
+    {{- if gt $image.Width $maxWidth -}}
+      {{- $targetWidth = $maxWidth -}}
+    {{- end -}}
+    {{- $display = $image.Resize (printf "%dx webp q80" $targetWidth) -}}
+  {{- else -}}
+    {{- $targetHeight := $image.Height -}}
+    {{- if gt $image.Height 900 -}}
+      {{- $targetHeight = 900 -}}
+    {{- end -}}
+    {{- $display = $image.Resize (printf "x%d webp q80" $targetHeight) -}}
+  {{- end -}}
+{{- end -}}
+
+<img src="{{ $display.RelPermalink }}" alt="{{ $alt }}" title="{{ $title }}">
diff --git a/themes/2026/layouts/_partials/media/render-image.html b/themes/2026/layouts/_partials/media/render-image.html
index 0ec89ee6..dc92f083 100644
--- a/themes/2026/layouts/_partials/media/render-image.html
+++ b/themes/2026/layouts/_partials/media/render-image.html
@@ -13,10 +13,6 @@
 {{- if not $image -}}
   {{- return -}}
 {{- end -}}
-{{- $display := $image -}}
-{{- if and (ne $display.MediaType.SubType "svg") (gt $display.Height 810) -}}
-  {{- $display = $image.Resize "x810" -}}
-{{- end -}}
 {{- $metaTitle := index $data "title" -}}
 {{- $hasMeta := or $metaTitle (or $description (or $data.attribution $data.prompt)) -}}
 {{- $attributes := .Attributes | default dict -}}
@@ -56,7 +52,13 @@
 {{- end -}}
 <figure class="{{ delimit $figureClasses " " }}">
   <a href="{{ $image.RelPermalink }}" title="Cliquez pour agrandir l'image">
-    <img src="{{ $display.RelPermalink }}" alt="{{ $alt }}" title="{{ $title }}">
+    {{- partial "media/display-img.html" (dict
+      "image" $image
+      "showMeta" $showMeta
+      "forceCentered" $forceCentered
+      "alt" $alt
+      "title" $title
+    ) -}}
   </a>
   {{- if $showMeta -}}
   <figcaption class="figure-media-meta cover-meta">
diff --git a/themes/2026/layouts/_shortcodes/extimage.html b/themes/2026/layouts/_shortcodes/extimage.html
index 587af7ce..9d9ff913 100644
--- a/themes/2026/layouts/_shortcodes/extimage.html
+++ b/themes/2026/layouts/_shortcodes/extimage.html
@@ -8,11 +8,16 @@
 {{- $extension := path.Ext $remoteURL -}}
 {{- $cleanFilename := printf "%s%s" $hash $extension | replace "?raw=true" "" -}}
 {{- $localImage := $remoteImage | resources.Copy (printf "remote-images/%s" $cleanFilename) -}}
-{{- $resizedImage := $localImage.Resize "1024x" -}}
 {{- $hasMeta := or $title (or $description $attribution) -}}
 <figure class="figure-media{{ if $hasMeta }} figure-media-with-meta{{ else }} figure-media-without-meta{{ end }}">
   <a href="{{ $localImage.RelPermalink }}" title="Cliquez pour agrandir l'image">
-    <img src="{{ $resizedImage.RelPermalink }}" alt="{{ $title }}" title="{{ $title }}">
+    {{- partial "media/display-img.html" (dict
+      "image" $localImage
+      "showMeta" $hasMeta
+      "forceCentered" false
+      "alt" $title
+      "title" $title
+    ) -}}
   </a>
   {{- if $hasMeta -}}
   <figcaption class="figure-media-meta cover-meta">