diff --git a/files/ja/_redirects.txt b/files/ja/_redirects.txt
index 3179efb3068144..5808b0ce62ba0d 100644
--- a/files/ja/_redirects.txt
+++ b/files/ja/_redirects.txt
@@ -3218,7 +3218,7 @@
 /ja/docs/Web/API/WindowOrWorkerGlobalScope/caches	/ja/docs/Web/API/Window/caches
 /ja/docs/Web/API/WindowOrWorkerGlobalScope/clearInterval	/ja/docs/Web/API/clearInterval
 /ja/docs/Web/API/WindowOrWorkerGlobalScope/clearTimeout	/ja/docs/Web/API/clearTimeout
-/ja/docs/Web/API/WindowOrWorkerGlobalScope/createImageBitmap	/ja/docs/Web/API/createImageBitmap
+/ja/docs/Web/API/WindowOrWorkerGlobalScope/createImageBitmap	/ja/docs/Web/API/Window/createImageBitmap
 /ja/docs/Web/API/WindowOrWorkerGlobalScope/fetch	/ja/docs/Web/API/Window/fetch
 /ja/docs/Web/API/WindowOrWorkerGlobalScope/indexedDB	/ja/docs/Web/API/Window/indexedDB
 /ja/docs/Web/API/WindowOrWorkerGlobalScope/isSecureContext	/ja/docs/Web/API/Window/isSecureContext
@@ -3276,6 +3276,7 @@
 /ja/docs/Web/API/console/timeStamp	/ja/docs/Web/API/console/timeStamp_static
 /ja/docs/Web/API/console/trace	/ja/docs/Web/API/console/trace_static
 /ja/docs/Web/API/console/warn	/ja/docs/Web/API/console/warn_static
+/ja/docs/Web/API/createImageBitmap	/ja/docs/Web/API/Window/createImageBitmap
 /ja/docs/Web/API/crypto_property	/ja/docs/Web/API/Window/crypto
 /ja/docs/Web/API/document.URL	/ja/docs/Web/API/Document/URL
 /ja/docs/Web/API/document.activeElement	/ja/docs/Web/API/Document/activeElement
diff --git a/files/ja/_wikihistory.json b/files/ja/_wikihistory.json
index cd2c352fa5268f..15af3bf9a902b0 100644
--- a/files/ja/_wikihistory.json
+++ b/files/ja/_wikihistory.json
@@ -13927,6 +13927,10 @@
     "modified": "2020-10-15T22:27:12.990Z",
     "contributors": ["mfuji09"]
   },
+  "Web/API/Window/createImageBitmap": {
+    "modified": "2020-10-15T22:34:31.000Z",
+    "contributors": ["silverskyvicto"]
+  },
   "Web/API/Window/crypto": {
     "modified": "2020-10-15T21:16:38.249Z",
     "contributors": [
@@ -15161,10 +15165,6 @@
     "modified": "2019-03-23T22:34:47.743Z",
     "contributors": ["yyss"]
   },
-  "Web/API/createImageBitmap": {
-    "modified": "2020-10-15T22:34:31.000Z",
-    "contributors": ["silverskyvicto"]
-  },
   "Web/API/setInterval": {
     "modified": "2020-10-15T21:15:06.280Z",
     "contributors": [
diff --git a/files/ja/web/api/createimagebitmap/index.md b/files/ja/web/api/window/createimagebitmap/index.md
similarity index 98%
rename from files/ja/web/api/createimagebitmap/index.md
rename to files/ja/web/api/window/createimagebitmap/index.md
index 89c4239eb28407..9c4d597ff1db18 100644
--- a/files/ja/web/api/createimagebitmap/index.md
+++ b/files/ja/web/api/window/createimagebitmap/index.md
@@ -1,6 +1,7 @@
 ---
 title: createImageBitmap()
-slug: Web/API/createImageBitmap
+slug: Web/API/Window/createImageBitmap
+original_slug: Web/API/createImageBitmap
 l10n:
   sourceCommit: 32539676aca5ea2913cfaefeab3ba986ecd2206f
 ---