diff --git a/src/apps.json b/src/apps.json
index 695ba850f..9c729f4ef 100644
--- a/src/apps.json
+++ b/src/apps.json
@@ -9028,6 +9028,23 @@
       "icon": "SAP.png",
       "website": "http://sap.com"
     },
+    "Sapper": {
+      "cats": [
+        18
+      ],
+      "html": [
+        "<script[^>]*>__SAPPER__"
+      ],
+      "icon": "Sapper.svg",
+      "js": {
+        "__SAPPER__": ""
+      },
+      "implies": [
+        "Svelte",
+        "Node.js"
+      ],
+      "website": "https://sapper.svelte.dev"
+    },
     "Scenari": {
       "cats": [
         1,
@@ -10206,7 +10223,7 @@
       "cats": [
         12
       ],
-      "html": "<[^>]+class=\"[^\"]*svelte-",
+      "html": "<[^>]+class=\\\"[^\\\"]+\\ssvelte-[\\w]*\\\"",
       "icon": "Svelte.svg",
       "website": "https://svelte.dev"
     },
diff --git a/src/icons/Sapper.svg b/src/icons/Sapper.svg
new file mode 100644
index 000000000..f4382d50a
--- /dev/null
+++ b/src/icons/Sapper.svg
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Generator: Adobe Illustrator 23.0.2, SVG Export Plug-In . SVG Version: 6.00 Build 0)  -->
+<svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
+	 viewBox="0 0 98.1 118" style="enable-background:new 0 0 98.1 118;" xml:space="preserve">
+<style type="text/css">
+	.st0{fill:#159497;}
+	.st1{fill:#FFFFFF;}
+</style>
+<path class="st0" d="M91.8,15.6C80.9-0.1,59.2-4.7,43.6,5.2L16.1,22.8C8.6,27.5,3.4,35.2,1.9,43.9c-1.3,7.3-0.2,14.8,3.3,21.3
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+</svg>