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diff --git a/.gitignore b/.gitignore
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+
+# Created by https://www.gitignore.io/api/linux,macos,windows
+# Edit at https://www.gitignore.io/?templates=linux,macos,windows
+
+### Linux ###
+*~
+
+# temporary files which can be created if a process still has a handle open of a deleted file
+.fuse_hidden*
+
+# KDE directory preferences
+.directory
+
+# Linux trash folder which might appear on any partition or disk
+.Trash-*
+
+# .nfs files are created when an open file is removed but is still being accessed
+.nfs*
+
+### macOS ###
+# General
+.DS_Store
+.AppleDouble
+.LSOverride
+
+# Icon must end with two \r
+Icon
+
+# Thumbnails
+._*
+
+# Files that might appear in the root of a volume
+.DocumentRevisions-V100
+.fseventsd
+.Spotlight-V100
+.TemporaryItems
+.Trashes
+.VolumeIcon.icns
+.com.apple.timemachine.donotpresent
+
+# Directories potentially created on remote AFP share
+.AppleDB
+.AppleDesktop
+Network Trash Folder
+Temporary Items
+.apdisk
+
+### Windows ###
+# Windows thumbnail cache files
+Thumbs.db
+Thumbs.db:encryptable
+ehthumbs.db
+ehthumbs_vista.db
+
+# Dump file
+*.stackdump
+
+# Folder config file
+[Dd]esktop.ini
+
+# Recycle Bin used on file shares
+$RECYCLE.BIN/
+
+# Windows Installer files
+*.cab
+*.msi
+*.msix
+*.msm
+*.msp
+
+# Windows shortcuts
+*.lnk
+
+# End of https://www.gitignore.io/api/linux,macos,windows
diff --git a/README.MD b/README.MD
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--- /dev/null
+++ b/README.MD
diff --git a/SELectureOptimizer.js b/SELectureOptimizer.js
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+// ==UserScript==
+// @name         SE Lecture optimizer
+// @namespace    http://tampermonkey.net/
+// @version      1.0
+// @date         2020-04-25
+// @description  Removes the autoplay and autobuffer from the videos of the SE Lecture page. So no more loading of 20 videos simultaniously to watch 1 video.
+// @author       Leonard Kugis
+// @homepage     https://collaborating.tuhh.de/cev7691/SELectureOptimizer
+// @match        https://media.tuhh.de/e16/Lecture-SE/
+// @grant        none
+// ==/UserScript==
+
+(function() {
+    var videos = Array.from(document.getElementsByTagName("video"));
+    for(var i = 0; i < videos.length; i++) {
+        videos[i].pause(0);
+        var src = videos[i].src;
+        videos[i].removeAttribute("src");
+        videos[i].load();
+        var old = videos[i];
+        videos[i] = document.createElement("video");
+        videos[i].setAttribute("preload", "none");
+        videos[i].setAttribute("controls", "");
+        videos[i].setAttribute("src", src);
+        old.parentNode.replaceChild(videos[i], old);
+    }
+})();