diff --git a/config/_default/hugo.toml b/config/_default/hugo.toml
index 40ebe509..eb4f13b9 100644
--- a/config/_default/hugo.toml
+++ b/config/_default/hugo.toml
@@ -180,3 +180,15 @@ home = ["HTML", "RSS", "REDIR", "netlify", "server", "searchindex"]
        kind = '{home}'
        output = '{netlify,server}'
 # toml-docs-end segments
+
+# toml-docs-start caches
+[caches]
+  # Hugo caches remote resources forever by default, and the Netlify cache plugin carries that
+  # cache across builds. The preview component reads a target's response headers to decide whether
+  # it can be embedded, so a stale entry pins the verdict to whatever the target sent the first
+  # time it was fetched: correcting a target's CSP then no longer takes effect on a rebuild.
+  # Builds are further apart than this, so headers are re-read on every build while still being
+  # fetched only once within one.
+  [caches.getresource]
+    maxAge = "5m"
+# toml-docs-end caches
diff --git a/exampleSite/go.mod b/exampleSite/go.mod
index 7893c518..327040f0 100644
--- a/exampleSite/go.mod
+++ b/exampleSite/go.mod
@@ -8,8 +8,9 @@ require (
 	github.com/gethinode/mod-blocks/v2 v2.1.0 // indirect
 	github.com/gethinode/mod-bootstrap-icons/v2 v2.0.0 // indirect
 	github.com/gethinode/mod-cookieyes/v2 v2.2.6 // indirect
-	github.com/gethinode/mod-docs v1.15.0 // indirect
+	github.com/gethinode/mod-docs v1.15.1 // indirect
 	github.com/gethinode/mod-fontawesome/v6 v6.0.0 // indirect
+	github.com/gethinode/mod-leaflet/v3 v3.1.0 // indirect
 	github.com/gethinode/mod-utils/v6 v6.4.0 // indirect
 	github.com/twbs/icons v1.13.1 // indirect
 )
diff --git a/exampleSite/go.sum b/exampleSite/go.sum
index f10a96f0..4917e03b 100644
--- a/exampleSite/go.sum
+++ b/exampleSite/go.sum
@@ -16,8 +16,12 @@ github.com/gethinode/mod-docs v1.14.1 h1:+G8IjMi/krhAzvOlB5ODnfQCp6b5ixWyU3D7f/8
 github.com/gethinode/mod-docs v1.14.1/go.mod h1:ru1w0fHqFocjDIMV0dm40OwhBw5k4UncCS8iO/1S5kI=
 github.com/gethinode/mod-docs v1.15.0 h1:A/iJ2S2v8Le0u8gdOfpLoss8mDaaJI+gtMNXiws7SyE=
 github.com/gethinode/mod-docs v1.15.0/go.mod h1:ru1w0fHqFocjDIMV0dm40OwhBw5k4UncCS8iO/1S5kI=
+github.com/gethinode/mod-docs v1.15.1 h1:WSmJWWhbiXeRkNqYRnZMBT5GkMDaJsijYC6YZzMcvkA=
+github.com/gethinode/mod-docs v1.15.1/go.mod h1:ru1w0fHqFocjDIMV0dm40OwhBw5k4UncCS8iO/1S5kI=
 github.com/gethinode/mod-fontawesome/v6 v6.0.0 h1:PrfiMfVEAM5Lpnkp+sXOtOdRSOe3l56z+ngrPcACzlA=
 github.com/gethinode/mod-fontawesome/v6 v6.0.0/go.mod h1:ayMslv2xpC5cjxUVTkIlFBbOd1LM5ezIr0OSOr6q8Gk=
+github.com/gethinode/mod-leaflet/v3 v3.1.0 h1:zscIv/q2dg0TUjosjM9hB9DchlutuWkWqOafX00fsKI=
+github.com/gethinode/mod-leaflet/v3 v3.1.0/go.mod h1:FsoyVRb3DRZBb2jWPV4yJNqbmOKmCwaJgom2hbWZXnA=
 github.com/gethinode/mod-utils/v6 v6.4.0 h1:l49KrawKE/7c6XE00wXQ9T5/kuTfiETerBz6OWn3SJc=
 github.com/gethinode/mod-utils/v6 v6.4.0/go.mod h1:E5tO9w3VKaidJpu1nI8zAKmh0bddFHOIIQnudAaXQTs=
 github.com/twbs/icons v1.13.1 h1:6bmNXvoeIbvjFWjfbjXg5JGbelLD1haIsMaEIzE9UZI=
diff --git a/go.mod b/go.mod
index 4856be70..1e45aa67 100644
--- a/go.mod
+++ b/go.mod
@@ -11,7 +11,7 @@ require (
 	github.com/gethinode/mod-fontawesome/v6 v6.0.0 // indirect
 	github.com/gethinode/mod-google-analytics/v2 v2.0.3 // indirect
 	github.com/gethinode/mod-katex v1.1.5 // indirect
-	github.com/gethinode/mod-leaflet/v3 v3.0.0 // indirect
+	github.com/gethinode/mod-leaflet/v3 v3.1.0 // indirect
 	github.com/gethinode/mod-lottie/v3 v3.0.0 // indirect
 	github.com/gethinode/mod-mermaid/v5 v5.0.0 // indirect
 	github.com/gethinode/mod-simple-datatables/v4 v4.0.0 // indirect
diff --git a/go.sum b/go.sum
index 9ece4265..51b83d8b 100644
--- a/go.sum
+++ b/go.sum
@@ -88,6 +88,8 @@ github.com/gethinode/mod-leaflet/v2 v2.1.1 h1:8g0T9hN036LsCaXFkehDlzFbEpAlSYrzxS
 github.com/gethinode/mod-leaflet/v2 v2.1.1/go.mod h1:A9Inp9uwSDD6vW8uYVVGl6eXGMe+j3ESOxV4T53HOaM=
 github.com/gethinode/mod-leaflet/v3 v3.0.0 h1:rNjdruvS08bxqsLFEWNt9aU2KCbHiRlEKpKIutqWVOw=
 github.com/gethinode/mod-leaflet/v3 v3.0.0/go.mod h1:FsoyVRb3DRZBb2jWPV4yJNqbmOKmCwaJgom2hbWZXnA=
+github.com/gethinode/mod-leaflet/v3 v3.1.0 h1:zscIv/q2dg0TUjosjM9hB9DchlutuWkWqOafX00fsKI=
+github.com/gethinode/mod-leaflet/v3 v3.1.0/go.mod h1:FsoyVRb3DRZBb2jWPV4yJNqbmOKmCwaJgom2hbWZXnA=
 github.com/gethinode/mod-lottie/v2 v2.0.1 h1:jIY5oGHtkXXvJoxNAE2AueoqxqNNlTYHF4+igQmkIAU=
 github.com/gethinode/mod-lottie/v2 v2.0.1/go.mod h1:/YzhRcG9H8MyODt8qaOQP0nqoux7EFHW2S7ugiiFf0o=
 github.com/gethinode/mod-lottie/v2 v2.1.0 h1:d0ViSsZr8idst7/zWTjCHp93jdX9fPHeGaAHEhi7lO4=